Does anyone know the answer to this question!! Please help!!!

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Answer:

125

Step-by-step explanation:

2^2+11^2=c^2

4+121=c^2

125=c^2

c=125 square root

Using the mathematical operations of addition and subtraction, the weight of the bag of grapefruit is 3¹¹/₁₆.

The basic mathematical operations we have studied so far include addition, subtraction, division, and multiplication.

In addition operation, two or more addends are added to obtain a result known as the sum or total.

Using subtraction operation, the minuend, subtrahend, and difference are the major parts, including the subtraction operator (-).

There are two ways of solving this problem, we can add the fractional weights of apples and bananas and subtract the sum from the total weight of fruits Lynne bought.

We can also subtract each fractional weight from the total weight of fruits to arrive at the fractional weight of the bag of grapefruit.

The total weight of Lynne's purchases = 7¹/₂ pounds

The weight of apples = 1⁵/₈ pounds

The weight of bananas = 2³/₁₆ pounds

The weight of grapefruit = x

= 7¹/₂ - 1⁵/₈ - 2³/₁₆

= 3¹¹/₁₆

Add fractional weights:

1⁵/₈ + 2³/₁₆ = 3¹³/₁₆

Subtract the sum of the fractional weights from the total weight:

7¹/₂ - 3¹³/₁₆ = 3¹¹/₁₆

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Answer:

$1,100

Step-by-step explanation:

The cost of the summer camp for the youngest child is around $500, when rounded to the nearest hundred.

The cost of the summer camp for the middle child is around $200.

The cost of the summer camp for the oldest is around $400.

500+200+400=1100

Answer:

The zeroes of the equation are -2 and -6.

Step-by-step explanation:

(x + 2)(x + 6) = 0

=> x = -2, -6

Hope it helps.

Answer:

Step-by-step explanation:

Assuming that there are no sidewalks or other obstructions, the estimated size of the crowd along a 3-mile section of the parade route would be approximately 3,780,400 people. This calculation is based on the assumption that people will be standing shoulder to shoulder and that each person will take up an area of 5 feet by 11 feet. This would mean that for each mile of the parade route, there would be 1,260,800 people standing (12 people x 10 feet x 5280 feet). Multiplying this by 3 gives us 3,780,400 people.

Answer:

12 people fitting in an area of 5*5 = 25 ft². Area of the street: 3 miles = 3*5280 ft = 15840 ft 25 feet on both sides. So, the total area in which the crowd is sparsed is: A = 15840*25*2= 792000 ft². Now we apply the ratio: People over area. Applying cross multiplication: 25x = 12*792000 x = (12*792000)/25 x = 380160

Step-by-step explanation:

Answer:

There are few possible ways to find the complex zeros

You can find the complex zeros by using quadratic formula

[tex]x^2-6x+13=0[/tex]

[tex]=\frac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:1\cdot \:13}}{2\cdot \:1}[/tex]

[tex]x_{1,\:2}=\frac{-\left(-6\right)\pm \:4i}{2\cdot \:1}[/tex]

[tex]x_1=\frac{-\left(-6\right)+4i}{2\cdot \:1},\:x_2=\frac{-\left(-6\right)-4i}{2\cdot \:1}[/tex]

[tex]x=3+2i,\:x=3-2i[/tex]

Answer:

  x = 18.3

Step-by-step explanation:

You want the length of the hypotenuse of a right triangle given the side opposite the 41° angle is 12 units.

The sine relation is ...

  Sin = Opposite/Hypotenuse

This can be rearranged to ...

  Hypotenuse = Opposite/Sin

  x = 12/sin(41°) ≈ 18.3 . . . . units

The value of x is about 18.3.

__

Additional comment

This is the SOH relation from the mnemonic SOH CAH TOA, which is intended to remind you of the relation between trig functions and sides of a right triangle. The others tell you ...

  Cos = Adjacent/Hypotenuse

  Tan = Opposite/Adjacent

In the attached, note the calculator mode is set to DEG (degrees) so the argument of the Sin( ) function will be interpreted properly.

The x-intercepts and the y-intercept of the cubic function f(x) = x³ - 9·x² + 20·x - 12 for which (x - 6) is a factor are;

A function is a rule that uniquely maps each value from the set of input variables to exactly one value in the set of the output variables.

The specified cubic function is; f(x) = x³ - 9·x² + 20·x - 12

A factor of f(x) = x - 6

The x-intercepts are the points on the graph of the function, where the value of the function, f(x) = 0, which are found as follows;

At the x-intercept, f(x) = x³ - 9·x² + 20·x - 12 = 0

x³ - 9·x² + 20·x - 12

Dividing the cubic function by the factor (x - 6), we get;

          x² - 3·x + 2

(x - 6) | x³ - 9·x² + 20·x - 12

   [tex]{}[/tex]       x³ - 6·x²

[tex]{}[/tex]                 -3·x²

[tex]{}[/tex]                 -3·x² + 18·x

                    [tex]{}[/tex]       2·x  

[tex]{}[/tex]                            2·x - 12

[tex]{}[/tex]                                      0

The other factor of the cubic function is; x² - 3·x + 2

x² - 3·x + 2 = (x -2)·(x - 1)

Therefore;

f(x) = x³ - 9·x² + 20·x - 12 = (x - 6)·(x - 2)·(x - 1)

From which at the x-intercepts, we get;

f(x) = (x - 6)·(x - 2)·(x - 1) = 0

x = 6, x = 2, and x = 1

The y-intercept are the points the x-values is zero, therefore, at the y-intercepts, we get;

f(0) = 0³ - 9·0² + 20·0 - 12 = -12

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Answer:

-----------------------------

The numbers that are at least a distance of 3 away from -7 are the numbers 3 units or more away from -7 either side on the number line :

or

This is same as:

An equation of a given parabola that is translated by 4 units left, 5 units up and is compressed by a factor of one-quarter is y=  1/4 ((x-3)²-6).

A translation in math moves a shape left or right and/or up or down. The translated shapes look exactly the same size as the original shape, and hence the shapes are congruent to each other. They just have been shifted in one or more directions.

Translation rules:

When the shape is moved towards the left by k units, then replace x with x - k.

When the shape is moved up by k units, then replace y with y + k.

3) Given that, the equation of the parabola is y=(x-3)²-7

The equation is translated by 4 units left, 5 units up and is compressed by a factor of one-quarter.

Here, 1/4 ((x-3)²-7-4+5)

y=  1/4 ((x-3)²-6)

4) The given equation is h=-4.9t²+180t+2

a) the maximum height of the rocket

Use the formula

x =-b/2a to find the maximum and minimum.

(18.36734693,1655.06122448)

b) the time required for the rocket to reach its maximum height

Find where the first derivative is equal to 0 to find the local maxima and minima.

(18.36734693, 1655.06122448) is a local maxima

c) the time required for the rocket to reach the ground

Solve the equation for t by finding a, b, and c of the quadratic then applying the quadratic formula.

t=900+3.16227766√(81098−49h)/49

t=900-3.16227766√(81098-49h)/49

Therefore, an equation of a given parabola that is translated by 4 units left, 5 units up and is compressed by a factor of one-quarter is y=  1/4 ((x-3)²-6).

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Answer: The scale of the billboard is 1 foot = 8 inches, so to find the actual height of the woman, we need to multiply the height on the billboard by 8.

8 3/8 feet x 8 inches/foot = 66 inches (8 x 8) + (3 x 8) = 66

So the woman's actual height is 66 inches.

Step-by-step explanation:

Part (a)

Reason:

There are 7 items inside set A. The notation n(A) counts the number of elements in a set.

==========================================

Part (b)

It's not clear what your teacher is asking. It seems this part is incomplete. Please revise.

Answer: 222 gallons of gasoline to travel 444 miles.

Step-by-step explanation: To find how much gasoline the boat needs to travel 444 miles, we need to use the formula:

distance = rate x time

Where distance is the total distance to be traveled, rate is the distance per unit of fuel (370 miles/185 gallons) and time is the amount of fuel required to travel 444 miles.

So we can calculate the fuel required as:

Fuel = (distance) / (rate)

Fuel = (444 miles) / (370 miles/185 gallons) = 444/ (370/185) = 444/2 = 222 gallons.

So the boat needs 222 gallons of gasoline to travel 444 miles.

The median margin for victory will be 1.89.

The median of the data is the value of the middle observation discovered after the data are organized in ascending order. The median is useful in situations where it is difficult to express anything while taking into account all of the data.

One of the easy to calculate statistical summary metrics is the median. Since it bases its value on the data that is in the middle of a sequence, the median is often referred to as the place average.

Given Data:-

1.89,2.32,0.08,4.74,0.30

Mean margin of victory= 1.866

Median margin of victory= 1.89

So the median margin for victory will be 1.89.

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Complete question -

Answer:

90

Step-by-step explanation:

15 to first 20

so 120 = 6*20

so 6*15 =90

they expect to discard everyday 288.

In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.

here, given that,

they must discard 3 out of 100 wheels because they are defective.

the factory produces 1200 wheels per hour in each 8 hr day.

total per day = 9600

so, they expect to discard everyday =9600 * 3%

                                                            =288

hence, they expect to discard everyday 288.

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Answer:

let's see jssjsjnsjsjsjsjsjsjsjsjsjs

Answer: So, after 3 years and 5 months, the total amount of simple interest earned on an investment of $2500 at a 6% interest rate would be $525.

Step-by-step explanation:

To calculate the simple interest on an investment of $2500 at a 6% interest rate for 3 years and 5 months, you would use the formula:

Simple Interest = (Principal x Interest Rate x Time in Years)

In this case, the time in years would be 3.5 (3 years and 5 months)

Simple Interest = (2500 x 0.06 x 3.5) = $525

So, after 3 years and 5 months, the total amount of simple interest earned on an investment of $2500 at a 6% interest rate would be $525.

The linear equation for this situation is ax + y = Total cost, where is no. of ticket, x = $32.5, is cost of ticket and y = $11.9 is processing fee.

A linear equation is an algebraic equation where the highest exponent of the variable is one. There are linear equations with one, two, or three variables, but not all linear systems have three equations. Typically, a system of linear equations has a single solution, but occasionally there is no solution or an infinite number of solutions.

A relationship in which the value of one variable, say "x," depends on the value of the other variable, say "y," is described by a two variables linear equation. A linear equation's graph will be a straight line if there are only two variables.

Given that cost for 5 tickets is $174.45

Let x be the cost of each ticket and y be the processing fee

5x + y = 174.45

And for the cost for 8 tickets is $271.95

8x + y = 271.95

Subtract the terms

 8x + y = 271.95

- 5x + y = 174.45

 3x + 0 = 97.5

If 3x = 97.5

Then,

x = 97.5/3

x = 32.5

Each ticket costs $32.5 then processing fees

5(32.5) + y = 174.45

y = 174.45 - 162.5

y = 11.95

8(32.5) + y = 271.95

y = 271.95 - 260

y = 11.95

Thus, The linear equation for this situation is ax + y = Total cost, where is no. of ticket, x = $32.5, is cost of ticket and y = $11.9 is processing fee.

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The correct statement is- the square root of the __difference__ of a _the polynomial x²_ and 11 → √x² - 11 the __product__ of _-2x_ times a number and reciprocal of  -11 → -2x/11 the sum_ of the __square root__ of two times a number and 11 → √2x + 11.

Polynomial is made up of two terms, namely Poly (meaning “many”) and Nominal (meaning “terms.”). A polynomial is an expression composed of variables, constants, and exponents, combined using mathematical operations such as addition, subtraction, multiplication, and division (No division operation by a variable). Based on the number of terms present in the expression, it is classified as monomial, binomial, and trinomial. For example P(x) = x2-5x+11

Given here, [tex]\sqrt{x^2-11}[/tex] , This in word phrase can be written the square root of the difference between a square of a number and 11.

-2x/11 can be written as twice the number multiplied by the reciprocal of -11

√2x + 11 can be written as sum of square root of twice the number and 11

Hence, The correct statement is- the square root of the __difference__ of a _the polynomial x²_ and 11 → √x² - 11 the __product__ of _-2x_ times a number and reciprocal of  -11 → -2x/11 the sum_ of the __square root__ of two times a number and 11 → √2x + 11.

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Answer:

y - 9

Step-by-step explanation:

(y-9)²/4÷(4y-36)/16

is a fraction divided by a fraction.

When you have one or two fractions with a division, use Keep-Change-Flip.

Keep the first term:

(y-9)²/4

then Change the ÷ to a times.

(Y-9)²/4•

then Flip the second term.

(y-9)²/4 • 16/(4y-36)

You can factor the term (y-9)² into

(y-9)(y-9).

The other term (4y-36) can also be factored into

4(y-9).

see image.

The 4's and the y-9 terms can be "cancelled".

see image. The only term left is y-9.

Answer:

Have a good day!:)

Step-by-step explanation:

When two lines intersect at a point, they form two pairs of angles that do not share a side. These pairs are called vertical angles, and they always have the same measure. ∠1 and ∠3 are vertical angles. ∠2 and ∠4 are vertical angles.

Answer: To solve this problem, we can use algebra. Let x be the smaller page number. Then, the larger page number is x + 1, since the pages are facing each other. We know that the sum of these two numbers is 553, so we can set up the equation:

x + (x+1) = 553

Next, we will solve for x by combining like terms:

2x + 1 = 553

Now we will subtract 1 from both sides of the equation:

2x = 552

Finally, we will divide both sides by 2:

x = 276

So the smaller page number is 276.

Step-by-step explanation:

a) The margin of error for the 95% confidence interval is given as follows: $122.4.

b) The 95% confidence interval for the population mean amount spent on restaurants and carryout food is given as follows: ($1,750.6, $1,995.4).

c) The estimate of the total amount spent by Americans of age 50 and over on restaurants and carryout food is between $161,055,200,000 and $183,576,800,000.

d) As the distribution os skewed to the right, the median would be expected to be less than the mean.

The t-distribution is used when the standard deviation for the population is not known, and the bounds of the confidence interval are given according to the following rule:

[tex]\overline{x} \pm t\frac{s}{\sqrt{n}}[/tex]

The margin of error is then defined as follows:

[tex]M = t\frac{s}{\sqrt{n}}[/tex]

In which the variables of the equation are presented as follows:

The critical value, using a t-distribution calculator, for a two-tailed 95% confidence interval, with 80 - 1 = 79 df, is t = 1.9905.

The parameters for this problem are given as follows:

[tex]\overline{x} = 1873, s = 550, n = 80[/tex]

Hence the margin of error is of:

[tex]M = 1.9905 \times \frac{550}{\sqrt{80}} = 122.40[/tex]

Considering the sample mean and the margin of error, the bounds of the confidence interval are given as follows:

Considering the bounds of the confidence interval and the population of 92 million, the bounds of the estimate of the total amount are given as follows:

The relation between mean, median and skewness is given as follows:

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Answer:

The simplest algorithm (a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.) to find the prime factors of a number is to keep on dividing the original number by prime factors until we get the remainder equal to 1. For example, by prime factorizing the number 30 we get, 30/2 = 15, 15/3 = 5, and 5/5 = 1. Since we received the remainder, it cannot be further factorized.

Step-by-step explanation:

pls tell me if wrong have a good day/night<3

There are two typical approaches to prime factorization. The Prime Factor Tree and the Upside-Down Division are the first and second, respectively.

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Answer:

Step-by-step explanation:

Solution:- this is question of subtraction , so 18712-9412=9300(Answer)

Answer:

Step-by-step explanation:

This problem can be represented by the equation: x + (x/2 - 1) + (x/4 - 1) + (x/8 - 1) + ... + (x/128 - 1) + 1 = x, where x is the total number of apples gathered.

This equation represents the process described in the problem, where the man gives half of his remaining apples (x/2, x/4, x/8, etc.) to each guard, minus 1 apple each time, until he is left with 1 apple.