Help!!! Drag and drop an answer into each box to correctly complete the statement.

Help!!! Drag And Drop An Answer Into Each Box To Correctly Complete The Statement.

Answers

Answer 1

The correct answer for given dilation will be A and D i.e. Point P is midpoint of AA' and XY⊥AA'.

What precisely is dilation?

Dilation is the process of changing the size of an object or form by shrinking or extending its dimensions based on certain scale variables. For example, a circle with radius 10 unit is decreased to a circle with radius 5 unit. This method is used in photography, arts and crafts, and logo design, among other things. In geometry, there are four basic types of transformations. These are their names:

Properties of Rotation, Translation, Reflection, and Resizing

Dilation properties

The following are some features of shapes that remain constant with dilation changes:

The angles in the illustration are all the same.The figure's side midpoints remain the same as the dilated form's midpoint.The parallel and perpendicular lines in the illustration remain unchanged.

Now,

As The image of A is made on line XY and the image will be A'

then XY⊥AA' because line formed between images is always perpendicular to the plane it is formed on and

P is the midpoint of AA' because we know that AP and A'P are same in a image formation.

Hence,

           Point P is midpoint of AA' and XY⊥AA'.

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Related Questions

Write an equation for a rational function with the given characteristic.

Vertical asymptotes at x = -2 and x = 3, x-intercepts at (-4,0) and (-1,0), y-intercepts at (0,4)

f(x) =

Answers

The rational function with the given characteristics is:

f(x) = -6(x + 4)*(x + 1)/[(x - 2)*(x + 3)]

How to write the rational function?

We want to write a rational function with the given characteristics, first we want to have vertical asymptotes at x = -2 and x = 3, then the denominator must be:

(x - 2)*(x + 3)

We also want to have x-intercepts at (-4,0) and (-1,0), this means that the numerator must be:

a*(x + 4)*(x + 1)

Where a is a real number, then the rational function is:

f(x) = a*(x + 4)*(x + 1)/[(x - 2)*(x + 3)]

Now we want to have an y-intercept at (0, 4)

Then we must have:

f(0) = 4 = a*(0 + 4)*(0 + 1)/[(0 - 2)*(0+ 3)]

4 = a*4/-6

(-6/4)*4 = a

-6 = a

The rational function is:

f(x) = -6(x + 4)*(x + 1)/[(x - 2)*(x + 3)]

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Rewrite the equation in Ax+By=C form
y=(1/3)x+3

Answers

To rewrite the equation in Ax + By = C form, we need to rearrange it so that the x and y terms are on the same side of the equation and the constant is on the other side and the equation become x + 3y = 9.

What is Equation?

An equation is a mathematical statement that shows the equality of two expressions or values. It typically contains one or more variables and an equal sign, which indicates that the expressions on either side of the equal sign have the same value. Equations can be used to represent various relationships between different mathematical objects and are used extensively in many fields of mathematics, science, engineering, and other disciplines. Equations can be solved to find the values of the variables that make the equation true, which is often the goal of many mathematical problems.

To rewrite the equation in Ax + By = C form, we need to rearrange it so that the x and y terms are on the same side of the equation and the constant is on the other side.

Starting with:

y = (1/3)x + 3

We can multiply both sides by 3 to eliminate the fraction:

3y = x + 9

Now we can rearrange to get the x and y terms on the left side:

-x + 3y = 9

So the equation in Ax + By = C form is:

x + 3y = 9

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3. Juanita put $2,000 in a 6-month CD. The interest rate is 3%. The interest is compounded quarterly. What is the interest for the first quarter? What will be the value of the CD when it matures? ​

Answers

The interest for the first quarter would be $ 15

The value of the CD when it matures is $ 2, 030. 11

How to find the value of the CD ?

The interest is said to compound quarterly which means that the periodic interest rate per quarter is:

= 3 % / 4

= 0. 75 % per quarter

The interest in the first quarter :

= 0. 75 % x 2, 000

= $ 15

The value of the CD at maturity is:

= 2, 000 x ( 1 + 0. 75% ) ²

= $ 2, 030. 11

Note : 2 periods because 6 months is 2 quarters.

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10p - 3p/4- 2 +5 when p= 10

Answers

The value of 10p - 3p/4- 2 +5 for p=10 is 95.5.

What is Solution of Equation?

An assignment of values to the unknown variables that establishes the equality in the equation is referred to as a solution. To put it another way, a solution is a value or set of values (one for each unknown) that, when used to replace the unknowns, cause the equation to equal itself.

Given:

We have 10p - 3p/4- 2 +5.

Now put the value of p =10 we get

= 10p - 3p/4- 2 +5

= 10(10) - 3(10)/4- 2 +5

= 100 - 30/4 -2 + 5

= 100 -7.5 -2 +5

= 95.5

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3. If an angle measures 2π radians, what is the measure of the angle in degrees?

Answers

Answer:

360 degrees

2 pi radians, means you have 2 pi of something and they are radians. It is the same 360 degrees. A radius is the line from the side of the circle to the center.

Answer:  360 degrees

Reason: pi radians is 180 degrees. Double each value to find that 2pi radians is 360 degrees. It's a full revolution of a circle. Use a unit circle if necessary.

A certain antihistamine is often prescribed for allergies. A typical dose for a 100​-pound person is 22 mg every six hours. Following this​ dosage, how many 12.3 mg chewable tablets would be taken in a​ week?

Answers

Answer:

x = 50 tablets

Step-by-step explanation:

Ket's call the number of tablets taken in a week "x".

A typical dose for a 100-pound person is 22 mg every six hours, so in 24 hours, they would take 22 mg * 24 hours / 6 hours = 88 mg.

In one week, they would take 88 mg * 7 days = 616 mg.

And since each tablet is 12.3 mg, they would take 616 mg / 12.3 mg/tablet = 50 tablets in a week.

So the answer is x = 50 tablets.

According to government data 22 percent of children in the United States under the age of 6 years live in households with incomes that are closed a pincome A simple random sample of 300 children in the United States under the age of 6 years was selected for a study of learning in early childhood if the government data are correct, which of the following best approximates the probability that at 27 percent of the children in the sample live in households that are closed at the particulo income level o represents a standard normal random variable)

Answers

Answer:     [tex]p(z > \frac{0.27-0.22}{\sqrt{\frac{(0.22)(0.78)}{300} } } )[/tex]

Step-by-step explanation:

[tex]P=\frac{22}{100} =0.22, n=300[/tex]     [tex]q=1-p=0.78[/tex]

[tex]p' = \frac{27}{100}=0.27[/tex]

[tex]p(z > \frac{p'-p}{\sqrt{\frac{p*q}{n} } } )[/tex]

 [tex]p(z > \frac{0.27-0.22}{\sqrt{\frac{(0.22)(0.78)}{300}} }[/tex]

If 4x² = 16, then x =
A20
B12
C4
D2

Answers

The solution to the equation 4x² = 16 is x = 2.

What is the solution to the given equation?

Given the equation in the question;

4x² = 16

x = ?

To solve for x, first divide both terms by 4.

4x² = 16

4x²/4  = 16/4

x² = 4

Take the square roots of both sides

√x² = ±√4

x = ±2

x = -2 or 2.

Therefore, the value of x is 2.

Option D)2 is the correct answer.

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Answer:

D.2

Step-by-step explanation:

[tex]4 {x}^{2} = 16 \\ \frac{4 {x}^{2} }{4} = \frac{16}{4} \\ {x}^{2} = 4 \\ \sqrt{ {x}^{2} } = \sqrt{4} \\ x = \sqrt{4} \\ x = 2[/tex]

Someone pls help me with the bottom question 30 points

Answers

Answer: 9/4

Step-by-step explanation:

A scale factor is the number by which all components of an object are multiplied in order to create a proportional enlargement or reduction.

Does 0% percent on battery health of capacity mean your iphone will never turn on again or it will?
Answer asap for brainlist

Answers

Answer:

It will turn on again, just charge it. All phones come with a charger.

Use numerical evidence to estimate the value of the limit to at least 2 decimal places.

Answers

If the equation be [tex]$\lim _{x \rightarrow 6}\left(\frac{x^2-x-30}{x^2-3 x-18}\right)$$[/tex] then the value is 1.22222

What is meant by numerical evidence?

The term "numerical evidence" describes information that is expressed in a numerical manner, such as numbers, quantities, or statistical data. It is thought to be objective and quantifiable, and it is used to support a claim or argument.

The quantity of sales made during a specific business quarter is an example of numerical data. Simply put, if the response includes a number, the data is quantitative (numerical).

Let the equation be [tex]$\lim _{x \rightarrow 6}\left(\frac{x^2-x-30}{x^2-3 x-18}\right)$$[/tex]

Simplifying the above equation, we get

[tex]$\frac{x^2-x-30}{x^2-3 x-18}= \frac{x+5}{x+3}$[/tex]

[tex]$=\lim _{x \rightarrow 6}\left(\frac{x+5}{x+3}\right)$$[/tex]

Plug in the value x = 6

= (6 + 5)/(6 + 3)

= 11/9 = 1.22222

Therefore, the equation of [tex]$\lim _{x \rightarrow 6}\left(\frac{x^2-x-30}{x^2-3 x-18}\right)$$[/tex] be 1.22222.

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How to show steps upon problem to get answer

Answers

The simplified form of the expression xy( x³y⁵ - x⁷ ) is x⁴y⁶ - x⁸y.

What is the simplified form of the expression?

Given the expression in the question;

xy( x³y⁵ - x⁷ )

To simplify the expression, apply distributive property.

xy( x³y⁵ - x⁷ )

xy( x³y⁵ ) - xy( x⁷ )

xy( x³y⁵ ) - xy( x⁷ )

Multiply xy and ( x³y⁵ )

x⁴y⁶ - xy( x⁷ )

Multiply xy and ( x⁷ )

x⁴y⁶ - x⁸y

Therefore, the simplified form is x⁴y⁶ - x⁸y.

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Please help!

An object is dropped from the top of a tower with a height of 1170 feet. Neglecting air resistance, the height of the object at time
t seconds is given by the polynomial -16t² +1170. Find the height of the object at t=2 seconds.

The height of the object at 2 seconds is _____ feet.

Answers

The height of the object at a time of 2 seconds is given as follows:

1106 feet.

How to find the numeric value of a function or of an expression?

To find the numeric value of a function or of an expression, we replace each instance of the variable in the function or in the expression by the value at which we want to find the numeric value.

The function for this problem is defined as follows:

h(t) = -16t² + 1170.

At a time of 2 seconds, the height is found replacing the lone instance of t by two, hence:

h(2) = -16(2)² + 1170

h(2) = 1106 feet.

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new later
A scatter plot is shown below.
10
8
6
A
N
02 4
6
8 10 12 14 16
Which statement best explains why these data can or cannot be modeled using a line of best fit?
a. A line would not be appropriate because there is a negative association.
b. A line would not be appropriate because the points follow a nonlinear pattern.
c. A line would be appropriate because there is a positive association.
d. A line would be appropriate because the points follow a nonlinear pattern.

Answers

The points are scattered in the scatterplot and thus, a line would not be appropriate because the points follow a nonlinear pattern.

Hence, option b is the correct answer.

How can scatterplot identify relationships?

Numerous different kinds of associations between two variables can be found using a scatterplot.

When there is no pattern visible in the points on a scatterplot, a relationship has no correlation.

When the points on a scatterplot exhibit a pattern rather than a straight line, a relationship is non-linear.

When the points on a scatterplot exhibit a largely straight line pattern, a relationship is linear. We shall look at this relationship in detail.

From the given graph we observe that the points do not follow a linear pattern.

The points are scattered and thus, a line would not be appropriate because the points follow a nonlinear pattern.

Hence, option b is the correct answer.

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The correct question is:

Which of the following is a situation in which a quadratic equation cannot be
solved using the quadratic formula?
A. The right-hand side of the equation is 1.
B. The coefficient of the x-term is zero.
C. The degree of the polynomial expression is 2.
D. The coefficient of the x²-term is 1.

Answers

A situation in which a quadratic equation cannot be solved using the quadratic formula include the following: A. The right-hand side of the equation is 1.

What is a quadratic function?

Generally speaking, the standard form of a quadratic function is given by this mathematical expression;

ax² + bx + c = 0

Where:

a and b represents the coefficients of the first and second term in the quadratic function.c represents the constant.

Mathematically, the quadratic formula is modeled or represented by this mathematical expression:

[tex]x = \frac{-b\; \pm \;\sqrt{b^2 - 4ac}}{2a}[/tex]

In this context, we can reasonably infer and logically deduce that a quadratic function cannot be solved by using the quadratic formula when the coefficient of the x²-term is equal to zero (0) or when right-hand side of the equation is equal to one (1).

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As part of a larger experiment, Dale (1992) looked at six samples of a wetland soil undergoing a simulated snowmelt. Three were randomly selected for treatment with a neutral pH snowmelt; the other three got a reduced pH snowmelt. The observed response was the number of Copepoda removed from each microcosm during the first 14 days of snowmelt Reduced pH Neutral pH 256 159 149 54 123 248 (a) [3 points Write two simple models: one model for the number of Copepoda in a neutral pH snowmelt and one model for the number of Copepoda in a reduced pH snowmel. Use mathematical notations. (b) 2 points We want to test whether the two treatments have equal average numbers of Copepoda. Write the n and the alternative hypotheses using the notations defined in the previous question (c) 5 points We want to perform a t-test. What assumptions are you making? Compute the corresponding test statistic. Give the critical value for a level of significance v = 0.05. What do you conclude? (d) 5 points) Using a randomization-based analysis, test the nul hypothesis that the two treatments have equal average numbers of Copepoda versus a two-sided alternative. Use a level of significance v = 0.05.

Answers

(a) The mathematical notations is (xₙ, yₙ)

(b) The alternative hypotheses using the notations defined in the previous question is t = (Xₙ - Yₙ) / SE

(c) The assumptions making is variances of the two populations are equal.

A hypothesis is a tentative explanation or prediction of a phenomenon, and it is essential in scientific research. In this study, we have two hypotheses:

Null Hypothesis: There is no significant difference in the average number of Copepod between the reduced pH and neutral pH snowmelt treatments.

Alternative Hypothesis: There is a significant difference in the average number of Copepod between the reduced pH and neutral pH snowmelt treatments.

Model:

A model is a mathematical representation of a phenomenon, and it is used to make predictions or explanations. In this experiment, we can create two simple models:

Model for Neutral pH Snowmelt:

Let Yₙ be the number of Copepod in a microcosm treated with neutral pH snowmelt. Then, Yₙ follows a normal distribution with mean µn and standard deviation σn.

Model for Reduced pH Snowmelt:

Let Yₙ be the number of Copepod in a microcosm treated with reduced pH snowmelt. Then, Yₙ follows a normal distribution with mean µr and standard deviation σr.

Assumptions:

Before conducting a t-test, we must ensure that the data satisfies the following assumptions:

The sample is a random and representative sample of the population.

The data is normally distributed.

The variances of the two populations are equal.

The test statistic for the t-test is:

t = (Xₙ - Yₙ) / SE

where Xₙ is the sample mean of neutral pH snowmelt, Yₙ is the sample mean of reduced pH snowmelt, and SE is the standard error.

Assuming a level of significance v = 0.05, we have a critical value of t = 2.306 for a two-tailed test with 4 degrees of freedom. If our calculated t-value is greater than 2.306 or less than -2.306, we reject the null hypothesis.

We can perform a randomization test as follows:

If the p-value is less than 0.05, we reject the null hypothesis and conclude that there is a significant difference in the average number of Cope pod between the reduced pH and neutral pH snowmelt treatments. If the p-value is greater than 0.05, we fail to reject the null hypothesis.

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A rectangular field is four times as long as it is wide. If the perimeter of the field is 400 yards, what are the field’s dimensions?

Answers

Answer:

Answer is in the attached photo.

Step-by-step explanation:

Solution

The solution is in the attached photo, do take note the perimeter of the rectangle is:

2 x Length + 2 x Width.

Answer:

2 x Length + 2 x Width.

Step-by-step explanation:

A) In a geometric sequence, t_(1)=625 and the common ratio is r=(1)/(5). For what value of n is t_(n)=(1)/(25)?
b) Determine whether each sequence is arithmetic, geometric, or neither. Then find a formula for the n-th term of the sequence.
(2)/(5),(3)/(6),(4)/(7),(5)/(8),dots

Answers

Answer:

Step-by-step explanation:

A) In a geometric sequence, t_(1)=625 and the common ratio is r=(1)/(5). For what value of n is t_(n)=(1)/(25)?

Step 1: Write the formula for the nth term

The formula for the nth term of a geometric sequence is t_n = t_1 * r^(n-1), where t_1 is the first term and r is the common ratio.

Step 2: Substitute the given values into the formula

t_n = 625 * (1/5)^(n-1)

Step 3: Solve for n when t_n = (1/25)

(1/25) = 625 * (1/5)^(n-1)

(1/25) / 625 = (1/5)^(n-1)

(1/5)^(n-1) = (1/25) / 625

(n-1) = log base (1/5) of ((1/25) / 625)

Step 4: Solve for n

n = 1 + log base (1/5) of ((1/25) / 625)

The value of n is the number of terms that have passed when t_n = (1/25).

B) (2)/(5),(3)/(6),(4)/(7),(5)/(8),...

Step 1: Determine the type of sequence

A sequence is an arithmetic sequence if the difference between any two consecutive terms is constant. Since this sequence does not have a constant difference, it is not an arithmetic sequence.

A sequence is a geometric sequence if the ratio between any two consecutive terms is constant. We can see that the ratio between any two consecutive terms is constant, so this sequence is a geometric sequence.

Step 2: Find the common ratio

To find the common ratio, we can divide any two consecutive terms. For example, the common ratio is (3/6) / (2/5) = (3/2) / (6/5) = 5/6.

Step 3: Write the formula for the nth term

The formula for the nth term of a geometric sequence is t_n = t_1 * r^(n-1), where t_1 is the first term and r is the common ratio.

Step 4: Substitute the given values into the formula

To use this formula, we need to know the value of t_1. We are given t_1 = (2/5), so:

t_n = (2/5) * (5/6)^(n-1)

This is the formula for the nth term of the sequence (2)/(5),(3)/(6),(4)/(7),(5)/(8),...

Find r. Use law of sine. Round to the nearest tenth.

Answers

Answer:

12

Step-by-step explanation:

First find the missing angle S

Three angles of a triangle add up to 180°

So m∠S + 81 + 42 = 180

m∠S + 123 = 180

m∠S = 180 - 123 = 57°

Using the law of sines which states that the ratio of each side to the opposite angle is the same for both sides we get

[tex]\dfrac{r}{\sin 42} = \dfrac{q}{\sin81} = \dfrac{15}{\sin 57}\\\\\sin 57 = 0.83867\\\\ \dfrac{15}{\sin 57}= \dfrac{15}{0.83867}\\\\= 17.88545\\\\[/tex]

Hence
[tex]\dfrac{r}{\sin 42} = 17.88545\\\\r = 17.88545 \times \sin 42\\\\r = 17.88545 \times 0.66913\\\\r = 11.9677\\\\r = 12 \textrm{ rounded to the nearest tenth}[/tex]

if 30% of a number is 7, then what is 10% of the number ?

Answers

Answer:

70.0000

Step-by-step explanation:

aka 70%

A reading specialist wanted to estimate the mean word length, in number of letters, for an elementary school history textbook. The specialist took repeated random samples of size 100 words and estimated the mean and standard deviation of the sampling distribution to be 4. 9 letters and 0. 15 letter, respectively.

Answers

Based on the information given, the estimated mean word length of the book is 4.9 letters and the estimated standard deviation of the sampling distribution is 0.15 letters.

The reading specialist is trying to estimate the population mean word length of an elementary school history textbook, but it is not practical or possible to measure the word length of every single word in the book. So, instead, the specialist takes repeated random samples of 100 words from the book and calculates the mean word length of each sample. Based on these repeated samples, the specialist estimates that the mean word length of the book is 4.9 letters. This means that, on average, the words in the book are about 4.9 letters long. The specialist also calculated the standard deviation of the sampling distribution, which is a measure of the variability of the sample means. In this case, the standard deviation of the sampling distribution is estimated to be 0.15 letters. This means that the mean word length of each random sample is expected to vary by about 0.15 letters from the population mean. It is important to note that these estimates are based on a specific set of samples and are subject to sampling variability. If the specialist were to take different random samples, the estimates may be slightly different. However, based on the information given, the estimated mean word length of the book is 4.9 letters and the estimated standard deviation of the sampling distribution is 0.15 letters.

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The Tasty as Pi Bakery sells circular pies with a $9$ inch diameter. The bakery offers two different sizes of pie slices: small and large.

Cutting a pie into $5$ equal pieces produces $5$ large slices. The small slices measure $27$ degrees fewer than the large slice.

How many equal pieces should they cut a whole pie into so that each piece is a small slice?

Answers

A pie has 360 degrees, so a pie cut into 5 equal pieces produces 5 slices that each measure 360 / 5 = 72 degrees.

A small slice measures 27 degrees fewer than a large slice, so it measures 72 - 27 = 45 degrees.

To find the number of pieces a pie should be cut into so that each piece is a small slice, we need to determine how many degrees each slice measures. To do this, we divide 360 by the number of pieces:

360 / n = 45

Solving for n, we get:

n = 360 / 45 = 8

So, the Tasty as Pi Bakery should cut a whole pie into 8 equal pieces so that each piece is a small slice.

Draw the following triangle after a 90 degrees counterclockwise rotation about the origin.

Answers

A graph of the triangle after a 90 degrees counterclockwise rotation about the origin is shown in the image attached below.

What is a rotation?

In Geometry, the rotation of a point 90° about the center (origin) in a counterclockwise (anticlockwise) direction would produce a point that has these coordinates (-y, x).

By applying a rotation of 90° counterclockwise to the vertices for D, the coordinates of the vertices of the image point D' are as follows:

(x, y)                               →            (-y, x)

Ordered pair A  = (-3, 4) → Ordered pair A' = (-4, -3)

Ordered pair B  = (-5, -1) → Ordered pair B' = (1, -5).

Ordered pair C  = (-1, 2) → Ordered pair C' = (-2, -1).

In this exercise, we would use an online graphing calculator to plot the vertices of triangle A'B'C' as shown in the graph attached below.

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A crew of construction workers are disassembling the inside of a building and dropping things into dumpsters at the base of the building. The equation Va=(64d)122
is used to find the average velocity, or speed, in feet per second of an object that has fallen a distance of d feet. What is the average velocity, to the nearest hundredth, of a ceiling tile that fell 43 feet ?

Answers

The average velocity, to the nearest hundredth, of a ceiling tile that fell 43 feet is 344 feet per second

What is speed?

Velocity is the pace and direction of an item's movement, whereas speed is the time rate at which an object is travelling along a route.

Given that the formula for the speed of a falling object is v= √64d,

where v is the speed of the object in feet per second and d is the distance the object has fallen, in feet.

And also given that d = 43 feet.

Substituting the value to the formula,

v = √64 (43)

v = 8 x 43

v = 344

Therefore, 344 feet per second is the velocity.

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What is the solution set to 8(2x-3) ≤ 20-4*?
O (-00,00)
O(-00, 2]
O (0,20)
O [2,00)

Answers

The solution set to the given inequality is (−∞, 2.5].

What are inequalities?

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

The given inequality is 8(2x-3) ≤ 20-4.

Here, 8(2x-3) ≤ 16

Divide 8 on both the sides of an inequality, we get

2x-3≤2

Add 3 on both the sides of an inequality, we get

2x≤5

Divide 2 on both the sides of an inequality, we get

x≤2.5

Convert the inequality to interval notation.

(−∞, 2.5]

Therefore, the solution set is (−∞, 2.5].

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Which of the following WAS NOT an impact of the crusades?
A. Change in culture in Europe
B. End of the Roman Empire
C. Monarchs grew more powerful
D. Many Christians were killed or badly injured

Answers

The option that was not an impact of the crusades is B. End of the Roman Empire.

What is the impact of the crusades?

The Crusades were a series of religious wars fought between Christians and Muslims in the Middle East during the medieval period. The Crusades had a significant impact on European society and culture, including:

Monarchs grew more powerful: The Crusades helped to strengthen the power of monarchs in Europe, as they became more involved in financing and organizing the Crusades.

However, the Crusades did not bring about the end of the Roman Empire. The Roman Empire had already collapsed centuries earlier, in the 5th century AD, and the Crusades took place in the 11th-13th centuries AD, during the medieval period.

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Find the perimeter of the triangle whose vertices are the following specified points in the plane.
(-9,-6), (-5, 0) and (10,-7)

Answers

The required perimeter of the triangle with vertices (-9,-6), (-5, 0), and (10,-7) is 42.72 units.

What is Distance?

The distance between two points (x₁, y₁) and (x₂, y₂) in the plane can be found using the distance formula,

d = √((x₂- x₁² + (y₂ - y₁)²)

Here

Using the above formula, we can find the length of each side of the triangle:

Length of the first side:

d = √((-5 - (-9))² + (0 - (-6))²)
   = √(4² + 6²)
   = √52 = 7.2

Similarly, the length of the second and third sides:

d =√274 = 16.5

Length of the third side:

d =  √362 = 19.02

Finally, the perimeter of the triangle is the sum of the lengths of its sides, P = 7.2 + 16.5 + 19.02
P = 42.72 units

So, the perimeter of the triangle is approximately 42.72 units.

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Mortgage B: 381.93 12-30 = $137.494.80
Content attribution
Module 2.5 Unders
Content
Question
Stephen is comparing two mortgage options for his $80, 000 mortgage.
Mortgage A: 15 years at 4.5% with monthly payments of $611.99 and a total payb
$110, 158.20.
Mortgage B: 30 years at 4% with monthly payments of $381.93and a total paybac
$137, 494.80.
Provide your answer below:
Which option requires more interest to be paid over the life of the mortgage? How

Answers

Mortgage B requires $27,336.60 more interest than mortgage A. The solution has been obtained by using arithmetic operations.

What are arithmetic operations?

There are four fundamental mathematical operations that can be used to express any real number; these are referred to as "arithmetic operations." The four operations are multiplication, division, addition, and subtraction.

We are given the principal amount as $80,000.

So, interest on Mortgage A = Total amount payable - principal amount

Interest = $110,158.20 - $80,000

Interest = $30,158.20

Similarly, interest on Mortgage B = Total amount payable - principal amount

So,

Interest = $137,494.80 - $80,000

Interest = $57,494.80

So, difference in interest = $57,494.80 - $30,158.20 = $27,336.60

Hence, mortgage B requires $27,336.60 more interest than mortgage A.

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Please answer a and b I need help really bad and please explain it would help me a ton

Answers

The value of x found using the assumption, ΔABC is an isosceles triangle and the measure using the fact that ∠ABC > ∠ACB are;

a) x = 4.5

The assumption made is that the triangle is an isosceles triangle

b) {x ∈ Z| -6 ≤ x ≤ 8}

What is an isosceles triangle?

An isosceles triangle is a triangle that has a pair of congruent sides.

Let ΔABC be an isosceles triangle, we get;

∠ABC is congruent to ∠ACB, (∠ABC ≅ ∠ACB), therefore, by the definition of congruence triangles, we get;

m∠ABC = m∠ACB

The question indicates that the measure of the angles are;

∠ABC  = 100 - 12·x

∠ACB = 8·x + 10

Which indicates, by the substitution property, that we get;

100 - 12·x = 8·x + 10

100 - 10 = 8·x + 12·x = 20·x

100 - 10 = 90 = 20·x

20·x = 90

x = 90/20 = 4.5

x = 4.5

The assumption made is that the triangle ΔABC is an isosceles triangle

b) ∠ABC > ∠ACB, therefore;

100 - 12·x > 8·x + 10

100 - 10 > 8·x + 12·x = 20·x

100 - 10 = 90 > 20·x

20·x < 90

x <  90/20 = 4.5

x < 4.5

The possible integer values of x can be found as follows;

100 - 12·x ≥ 0

100 ≥ 12·x

x ≤ 100/12 = 8.[tex]\overline{3}[/tex]

x ≤ 8.[tex]\overline{3}[/tex]

100 - 12·x ≤ 180

100 - 180 ≤ 12·x

12·x ≥ -80

x ≥ -80/12 = -6.[tex]\overline{6}[/tex]

x ≥ -6.[tex]\overline{6}[/tex]

Similarly, we get;

8·x + 10 ≥ 0

x ≥ -10/8 = -1.25x

x ≥ -1.25

8·x + 10 ≤ 180

x ≤ (180 - 10)/8 = 21.25

x ≤ 21.25

The possible integer value of x, using the interval, x ≥ -6.[tex]\overline{6}[/tex], x ≤ 8.[tex]\overline{3}[/tex] are therefore; -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, which can be expressed as; {x ∈ Z| -6 ≤ x ≤ 8}

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A mechanic had412 gallons of motor oil at the start of the day. At the end of the day, only 5 pints remained.

How many pints of motor oil did the mechanic use during the day?

Answers

Answer:

3,291 pints used

Step-by-step explanation:

There are 8 pints in a gallon

Started with 412 gallons, multiply that by 8 to get 3,296 pints

At the end of day, he only had 5

So we can subtract 5 from the 3,296 that he started the day with, and we get the answer of 3,291 used throughout the day.

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