Use the Distributive Property to solve each equation.

a. −1/2(b−6)= 5


b. 0.4(x−0.45)= 9.2


c. −4(p−212)=44


please help

The difference between the amount Anna ate and the amount she gave to her brother can be found by subtracting 3/8 from 5/8. This can be expressed as an equation by writing 5/8 - 3/8 = x, where x is the difference.

5/8 - 3/8 = x

5/8 = 5 ÷ 8

= 0.625

3/8 = 3 ÷ 8

= 0.375

0.625 - 0.375 = x

= 0.25

Therefore, the difference between the amount Anna ate and the amount she gave to her brother is 0.25.The difference between the amount Anna ate and the amount she gave to her brother can be found by subtracting 3/8 from 5/8. This can be expressed as an equation by writing 5/8 - 3/8 = x, where x is the difference. To solve this equation, we first need to convert the fractions into decimal values. 5/8 is equal to 5 divided by 8, which is equal to 0.625. 3/8 is equal to 3 divided by 8, which is equal to 0.375. We can then subtract 0.375 from 0.625 to get the difference. This gives us 0.25, which is the difference between the amount Anna ate and the amount she gave to her brother. Therefore, the answer to the equation 5/8 - 3/8 = x is x = 0.25.

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The complete question is

Anna ate 5 8 of an orange and gave the other 3 8 to her brother. Which equation can be used to find the difference between the amount Anna ate and the amount she gave her brother?

The difference between the amount Anna ate and the amount she gave to her brother can be found by subtracting 3/8 from 5/8. This can be expressed as an equation by writing 5/8 - 3/8 = x, where x is the difference.

5/8 - 3/8 = x

5/8 = 5 ÷ 8

= 0.625

3/8 = 3 ÷ 8

= 0.375

0.625 - 0.375 = x

= 0.25

Therefore, the difference between the amount Anna ate and the amount she gave to her brother is 0.25.The difference between the amount Anna ate and the amount she gave to her brother can be found by subtracting 3/8 from 5/8. This can be expressed as an equation by writing 5/8 - 3/8 = x, where x is the difference. To solve this equation, we first need to convert the fractions into decimal values. 5/8 is equal to 5 divided by 8, which is equal to 0.625. 3/8 is equal to 3 divided by 8, which is equal to 0.375. We can then subtract 0.375 from 0.625 to get the difference. This gives us 0.25, which is the difference between the amount Anna ate and the amount she gave to her brother. Therefore, the answer to the equation 5/8 - 3/8 = x is x = 0.25.

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In all together, Clara ate 20 nuts.

A system of equations is a set of one or more equations involving a number of variables.

The solutions to systems of equations are the variable mappings such that all component equations are satisfied—in other words, the locations at which all of these equations intersect.

Given that Clara snacked on a mix of almonds and pecans. She ate 3 almonds for every 1 pecan. Clara ate 10 more almonds than pecans.

Let the number of pecans be x and the number of almonds is y.

We can write the system of equations as:

y = 3x

y = x + 10

Equating the value of {y}, we get -

3x = x + 10

2x = 10

x = 5          ...(1)

y = x + 10 = 15

y = 15         ...(2)

x + y = 15 + 5 = 20

Therefore, in together, Clara ate 20 nuts.

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Answer:

  36 bottles

Step-by-step explanation:

You want to know the number of bottles that must be painted and sold in order to make a profit of $120, given that 3 bottles can be purchased for $11, and each bottle can be sold for $7.

The profit on each bottle is the difference between its cost and what it is sold for. The cost of 1 bottle is 1/3 of the cost of 3 bottles.

  profit = selling price - purchase price

  profit = $7/bottle - ($11/(3 bottles)) = $(21/3 -11/3)/bottle = $(10/3)/bottle

To make a profit of $120, you need n bottles such that ...

  (10/3)n = 120

  n = 36 . . . . . . . . . multiply by 3/10

The club needs to buy, paint, and sell 36 bottles to raise $120.

Answer: 1583.90

In June it’s 1583.90$

the average daily balance of Elliott's account for the month of June is $902.

calculate the average daily balance for Elliott's account in June. To calculate the average daily balance, we need to determine the balance at the end of each day in June. Starting with a balance of $1223 on June 1st, we can calculate the balance at the end of each day by adding or subtracting the amount of each transaction. The table below shows the daily balances: Day of June - Transaction type - Transaction amount -Balance

1 - Starting balance - 1223 - 1223

5 - Deposit - 615 - 1838

8 - Withdrawal - -632 - 1206

9 - Withdrawal - -120- 1086

10 - 30 - No transactions - 0 1086

The sum of the daily balances is: 01086 × 30 = 32580

The average daily balance is the sum of the daily balances divided by the number of days in June:

average daily balance = 32580 / 30 = 902

Therefore, the average daily balance of Elliott's account for the month of June is $902.

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Answer: The simple interest will be 20%.

Step-by-step explanation:

we know the simple interest of borrowed amount is:

S.I.= (P x R x T)/100 ..... (i)

where P⇒ Principal amount

R⇒ rate of interest

T⇒ time

and

total Pays Back amount = Principal amount + S.I.

Hence S.I. = Pays Back amount - Principal amount

Now, as per the question: Clinton pays back Double of the amount hi borrowed. Means

if Principal amount = P

then Pays Back amount = 2P ⇒ S.I.= P

Rate of Interest = R

and Time = 5 years

P= (P x R x 5)/100

R= 100/5

R = 20%

Therefore, the simple interest is 20% annually.

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The of association represented in the graph is positive linear association.

option C

A positive correlation is a statistical relationship between two variables such that as one variable increases, the other variable also increases, and as one variable decreases, the other variable decreases as well.

In other words, positive correlation means that as the value of one variable goes up, the value of the other variable also goes up, and vice versa. The correlation is said to be positive because both variables move in the same direction.

The strength of the correlation can be measured using a correlation coefficient, which ranges from -1 to 1. A correlation coefficient of 1 indicates a perfect positive correlation, while a correlation coefficient of 0 indicates no correlation.

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Answer: 80/3 months

Step-by-step explanation:

Let x be the number of months until Zera reaches her limit.

Then on month x, her charges are 200x, and her payments are 125x.

This leaves her with 200x - 125x = 75x dollars owed.

we need to see when this equals 2000, so she hits her limit:

2000 = 75x

.: x = 2000/75 = 80/3

She can continue her pattern for 80/3 months, (≈26.666667)

The coordinates of point P are (12, 12.5).

to put different elements or individuals in a coordinated effort.

To find the coordinates of point P, we can use the fact that P divides NO into two segments in the ratio of 4:3.

First, we can find the distance between points N and O using the distance formula:

d(NO) = sqrt((19-5)^2 + (9-16)^2) = sqrt(196 + 49) = sqrt(245)

Next, we can use the ratio of 4:3 to determine the distance between P and O:

d(OP) = (3/7) * d(NO) = (3/7) * sqrt(245)

Similarly, we can find the distance between P and N:

d(NP) = (4/7) * d(NO) = (4/7) * sqrt(245)

Now, we can use the midpoint formula to find the coordinates of P:

x-coordinate of P = (x-coordinate of N + x-coordinate of O) / 2 = (5 + 19) / 2 = 12

y-coordinate of P = (y-coordinate of N + y-coordinate of O) / 2 = (16 + 9) / 2 = 12.5

So the coordinates of point P are (12, 12.5).

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Using the fractional value of blue paint to white paint, the number of pints of blue paint Fatina used to paint her bedroom walls is 3.12 pints.

A fractional value is a proportional quantity of the whole value.

Fractional values are depicted in decimals, fractions, or percentages.

The total quantity of white and blue paints used on the bedroom walls = 7.8 pints

The fraction of the white paint = 3/5

The fraction of the blue paint = 2/5 (1- 3/5)

2/5 of 7.8 = 3.12 pints

Thus, proportionately, we can conclude that the blue paint Fatina used was 3.12 pints.

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Kathy uses 3.12 pint of white paint to paint her bedroom walls

Total amount of paint ( Blue and white paint)= 7.8 pints

Amount of  blue paint=3/5 x 7.8 = 4.68Pints

amount of white paint = Total amount of paint - amount of blue  paint

= 7.6 pints - 4.68 pints

=3.12 pint of white paint

In conclusion, she uses 3.12 pint of white paint  to paint her bedroom walls

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- 8/9 - (-2/9)

The answer I have gotten is -6/9

The probability of getting both the marbles to be red will be 4/25.

Probability is a number that indicates the likelihood of an event occurring. Probability is defined as the ratio of favorable outcomes to all outcomes.

Probability = Number of favorable outcomes / Number of samples

Given that two red and three black marbles are in a bag. If Abby takes a marble out of the bag without looking, puts it back, and then draws another marble.

The probability of getting red in the first draw,

P = 2 / 5

Now the marble is returned and again the probability of getting the red marble is,

P = 2 / 5

The probability of getting both the marbles red will be,

Pb = ( 2/ 5 ) x ( 2 / 5 )

Pb = 4 / 25

Therefore, there is a 4/25 chance that both marbles will be red.

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The simplified expression after factoring numerator and denominator is (x + 7) / x.

We can start by factoring the numerator and denominator of the first fraction:

x^2 - 49 = (x + 7)(x - 7)

The denominator can also be factored using the quadratic formula or by factoring as a product of two binomials:

x^2 - 4x - 21 = (x - 7)(x + 3)

So, the first fraction can be simplified as:

(x + 7)(x - 7)/[(x - 7)(x + 3)]

We can cancel out the (x - 7) factor in the numerator and denominator, leaving:

(x + 7)/(x + 3)

Next, we can simplify the second fraction by canceling out the common factor of (x + 3) in both the numerator and denominator:

(x + 3)/x

Putting it all together, we get:

[(x + 7)/(x + 3)] * [(x + 3)/x] = x + 7 / x

Therefore, the simplified expression is (x + 7) / x.

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____The given question is incorrect, the correct question is given below:

The numerator should be expanded and simplified. The denominator should be either expanded or factored.

Simplify (x^2-49)/(x^2-4x-21)*(x+3)/x

To add a single edge to a graph to create an Euler path, we must connect two existing vertices with an odd degree.

In graph theory, an Euler path is a path that visits every edge of a graph exactly once. However, not all graphs have an Euler path. If a graph has an Euler path, it must have either zero or two vertices with an odd degree. In this scenario, we are given a graph and are asked to add a single edge to create an Euler path.

To add a single edge to the graph, we must connect two existing vertices that have an odd degree. This is because adding a new vertex would change the degree of the graph and potentially affect the existence of an Euler path. Therefore, we must carefully consider the degree of each vertex before adding the edge.

Let's consider a graph:

     A

    / \

   B---C

  / \ / \

 D---E---F

In this graph, vertices B, E, and F have an odd degree. To create an Euler path, we must connect two of these vertices with a new edge. Let's choose B and E, and add the edge (B, E) to the graph.

    A

    / \

   B---C

  / \ / \

 D---E---F

Now, the graph has only one vertex with an odd degree, which is C. This means that the graph has an Euler path that starts at C, visits every edge exactly once, and ends at A.

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When a rectangular pyramid is sliced by a plane that is perpendicular to its base but does not pass through its vertex, the resulting cross section is a trapezoid.

To understand why this is the case, it is helpful to visualize a rectangular pyramid. A rectangular pyramid is a three-dimensional figure with a rectangular base and four triangular faces that meet at a single point at the top, known as the vertex.

If a plane is passed through the pyramid perpendicular to the base but not through the vertex, it will intersect each of the four triangular faces of the pyramid at a different angle, resulting in a cross section that has four sides.

Since the base of the rectangular pyramid is a rectangle, the two opposite sides of the trapezoid cross section will be parallel, and the other two sides will be non-parallel. The shape and size of the trapezoid cross section will depend on the orientation of the plane with respect to the rectangular pyramid.

In summary, when a rectangular pyramid is sliced by a plane that is perpendicular to its base but does not pass through its vertex, the resulting cross section is a trapezoid with two parallel sides and two non-parallel sides.

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The approximate value of f(4.5) is 550000.

Exponents are used in exponential functions, as the name suggests. But take note that an exponential function does not have a constant as its base and a variable as its exponent (A function is a power function rather than an exponential function if its base is a variable and its exponent is a constant).

From the given graph, the coordinate points are (0, 1000000), (1, 900000) and (2, 810000)

We know that, f(x)=mx+c

Here, (0, 1000000) and (1, 900000)

Now, m=(900000-1000000)/(1-0)

m=-100000/(1-0)

m=-100000

Substitute b=-100000 and (x, y)=(0, 1000000) in y=mx+c

1000000=-100000(0)+c

c=1000000

Substitute m=-100000 and c=1000000 in y=mx+c, we get

y=-100000x+1000000

The approximate value of f(4.5)

Now, y=-100000(4.5)+1000000

y=550000

Therefore, the approximate value of f(4.5) is 550000.

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Answer:

10%

Explanation:

You increased it by 5% twice, which is basically 5+5 or 5x2 which equals 10

The sum Given it can seen that according to the closure property of Rational numbers  the addition of two rational numbers will sum up to a rational number provided that the rational numbers ≠ 0 and a set of rational number is closed under the closures property rule i.e x + y = y + x.

What is Closure Property of Integers ?

Closure Property of Integers states the sum or subtraction of two integers always gives an integer.

Rational number is defined as a number that can be made by dividing two integers.

Using the definition of rational and expanding the property, we can conclude that the sum of two rational numbers will result in a rational number.

using the closure property and based on the sum given, the addition of two rational numbers will sum up to a rational number provided that the rational numbers ≠ 0 and a set of rational number is closed under the closures property rule i.e x + y = y + x

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The total amount of interest earned at the end of 2 years is $60.

1. Calculate the interest earned in one year:

Interest = Principal × Rate × Time

Interest = 600 × 0.05 × 1

Interest = $30

2. Multiply the interest earned in one year by the number of years:

Total interest = 30 × 2

Total interest = $60

The total amount of interest earned at the end of 2 years is $60. This amount was earned by taking the principal amount of $600 and multiplying it by the rate of 5%, and then multiplying that product by the number of years, which in this case is 2. This calculation can be expressed as:

Total interest = Principal × Rate × Time

Total interest = 600 × 0.05 × 2

Total interest = $60

the complete question is :

An account earns simple annual interest. $600 at 5% for 2 years. How much interest will be earned on $600 invested at 5% simple annual interest for 2 years?

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As a result, no particular postulate can be used to demonstrate their congruence due to a lack of adequate data. So "None" is the correct response.

If two figures share the same form, congruent corresponding angles (which means the angles in the same locations of each shape are the same), and identical scale factors, they are said to be "similar figures." Equal scale factors signify a matched ratio between the lengths of their respective sides.

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Answer: None

Step-by-step explanation: I Just did it

The points A(-4,3) ; B(-3,4) ; C(4,3) ; D(4,-3) are plotted on the graph.

What is meant by a coordinate plane?

Two number lines combine to generate the two-dimensional surface known as the coordinate plane. The x-axis is a single horizontal number line. The y-axis is the name of the vertical number line which is the other number line. The origin is where the two axes come together. The coordinate plane can be used to graph points, lines, and other things.

The given points are

A is 4 units to the left and 3 units up which means  A is (-4,3).

B is 3 units to the left and 4 units up which means B is (-3,4).

C is 4 units to the right and 3 units up which means C is (4,3).

D is 4 units to the right and 3 units down which means D is (4,-3).

All these 4 points are plotted on the coordinate plane and the graph is attached below.

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For four variables the required number of system of linear equations are at least option d. 4 equations.

Therefore, if there are four variables in the system of linear equations then we should have option d. 4 equations.

The above question is incomplete , the complete question is:

If we have four variables, then how many equations will we have in our system of linear equations?

a. 5       b. 2      c. 3     d. 4

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you forgot to put the question

Answer:

135 markers

Step-by-step explanation:

Let's call the number of markers in each large box "x."

After giving away 15 markers to each of 3 teachers, there were 90 markers left, so:

x - (15 * 3) = 90

Expanding the expression on the right side:

x - 45 = 90

Adding 45 to both sides:

x = 135

So, each large box originally contained 135 markers.

Answer:

Step-by-step explanation:

600 secs=600/60 mins=10 mins

9 mins= 9 mins

Therefore, 9 mins : 600 secs

                =9 mins : 10 mins

                =9:10

The standard function for F(x)=4(x+6)2+5, will be f(x)=8x+53.

What is the definition of a function?

A function is defined as a connection between a set of inputs and a single output. A function is a link between inputs that corresponds to exactly one output. Every function has a domain, a co-domain, and a range. A function is often denoted as f(x), where x represents the input. The general representation of a function is y = f(x).

There are several types of functions in mathematics. Here are a few examples:

An injective function or a one to one function exists when there is a mapping for a range for each domain between two sets.

Surjective functions, also known as Onto functions, are employed for transferring more than one element from domain to range.

A polynomial function is a function composed of polynomials.

Functions that may be used to inverse another function are known as inverse functions.

Now,

Given function is F(x)=4(x+6)2+5

=(4x+24)2+5

=8x+48+5

=8x+53

hence,

          The standard function for F(x)=4(x+6)2+5, will be f(x)=8x+53.

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The area of an equilateral triangle is 16√3 m² and the perimeter of an equilateral triangle is 24 m.

In an equilateral triangle, median, angle bisector and altitude for all sides are all the same and are the lines of symmetry of the equilateral triangle. The area of an equilateral triangle is √3/4 ×a².

From the given figure, side of the equilateral triangle is 8 m.

Now, area of an equilateral triangle is

√3/4 ×8²

= √3/4 ×64

= 16√3 m²

The perimeter of an equilateral triangle is 3a.

Now, the perimeter is 3×8

= 24 m

Therefore, the area of an equilateral triangle is 16√3 m².

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The systems of equations in slope intercept form is

y = -6x + 110

y = 9x + 54

When you know the slope of the line to be investigated and the given point is also the y intercept, you can utilise the slope intercept formula, y = mx + b. (0, b). The y value of the y intercept point is denoted by the symbol b in the formula.

As, We know Slope-intercept form is

y = mx + b

where b is the starting value and m is the change per day.

Farmer Quect started with 110 rews on his farm. Every hour he destroyed 6 more of them.

So, the Equation to show the Situation

y = -6x + 110

and, Farmer Mimstone started with 54 rews on her farm. Every hour she collected 9 more of them.

So, the Equation to show the Situation

y = 9x + 54

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a) The x-range of a unit square is from o to 1 and y-range is also from 0 to 1

Sample space = {(x, y)} , 0≤x≤1,  0≤y≤1.

So, sample space associated with this random experiment is

{(x, y)} , 0≤x≤1,  0≤y≤1.

b) From the given data,

Sample space for A : {1, 3, 5, 7, 9, 11,...}

Sample space for B: {5, 10, 15, 20, 25,...}

Therefore, the sample space for A∩B will be the set of all odd natural numbers divisible by 5 which is

{5, 15, 25, 35,....}

c) First letter is the capital letter = 26 Possibilities

then four digits = 9*10*10*10

two lower case letters = 26*26

Total possible ways = 26*9*10*10*10*26*26

= 15,81,84,000 ways.

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Complete question:

Suppose a point is to be selected at random from the unit square. Write the sample space associated with this random experiment. 2. Let S = {0, 1, 2, 3, 4, ...), A = the set of odd natural numbers, and B = the set of natural numbers divisible by 5. What is the set An B? 3. A computer password consists of two lowercase letters followed by a capital letter and four digits. Find the total number of possible passwords.

answer:     12          

explanation: