The sample mean is a statistic. True or false​

Answer: sum: 51 + -31 = 20

Step-by-step explanation: The sum of two numbers is 20 and their difference is 92. What are the two numbers? Let's start by calling the two numbers we are looking for x and y.

The sum of x and y is 20. In other words, x plus y equals 20 and can be written as equation A:

x + y = 20

The difference between x and y is 92. In other words, x minus y equals 92 and can be written as equation B:

x - y = 92

Now solve equation B for x to get the revised equation B:

x - y = 92

x = 92 + y

Then substitute x in equation A from the revised equation B and then solve for y:

x + y = 20

92 + y + y = 20

92 + 2y = 20

2y = -72

y = -36

Now we know y is -36. Which means that we can substitute y for -36 in equation A and solve for x:

x + y = 20

x + -36 = 20

X = 56

Summary: The sum of two numbers is 20 and their difference is 92. What are the two numbers? Answer: 56 and -36 as proven here:

Answer:

[tex]x = 120 \times \cos(45) - 0 = 120 \times 0.7 = 84 \\ y = 120 \times \sin(45) - 150 = 84 - 150 = 64[/tex]

Answer:

[tex]\sqrt{185}[/tex] or 14 (13.6)

Step-by-step explanation:

Compute the distances between

[tex]\left(x_1,\:y_1\right),\:\left(x_2,\:y_2\right):\quad \sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}[/tex]

The distances between ↑ are

[tex]\sqrt{\left(12-4\right)^2+\left(27-16\right)^2}[/tex]

Simplify

[tex]\sqrt{185}[/tex] or 14

hope this helps

~R3V0

Answer:

tara

Step-by-step explanation:

scott wrote it backwards

your suppose to  write a+b not b+a

so tara got it right

Answer:

d.800 +40

Step-by-step explanation:

The distributive property is given by:

a(b+c). = ab + ac

8(100+5)= (8).(100) + (8) .(5)

= 800 +40

Answer:

2

Step-by-step explanation:

Hi there,

In order to solve this expression, you need to substitute x for 1.

You will end up with this expression:

3([tex]1^{2}[/tex]) - 2(1) + 1

Now, simplify the expression.

⇒ 3 - 2 + 1

⇒ 1 + 1

⇒ 2

Therefore, the answer when we evaluate the polynomial for x = 1 is 2.

Answer:

John is buying shirts for his softball team.  He will pay a one-time processing fee of $27.50 and $12.75 per each shirt ordered.  Which equation can be used to find y, the total cost to buy xshirts? John is buying shirts for his softball team.  He will pay a one-time processing fee of $27.50 and $12.75 per each shirt ordered.  Which equation can be used to find y, the total cost to buy xshirts? John is buying shirts for his softball team.  He will pay a one-time processing fee of $27.50 and $12.75 per each shirt ordered.  Which equation can be used to find y, the total cost to buy xshirts? vv

Step-by-step explanation:

Answer:

6$

Step-by-step explanation:

Answer:

I = $ 6.00

Step-by-step explanation:

Equation:

I = Prt

Calculation:

First, converting R percent to r a decimal

r = R/100 = 10%/100 = 0.1 per year,

then, solving our equation

I = 60 × 0.1 × 1 = 6

I = $ 6.00

The simple interest accumulated

on a principal of $ 60.00

at a rate of 10% per year

for 1 years is $ 6.00.

Hope its correct

Answer:

x⁻²

Step-by-step explanation:

[tex]\frac{x^6}{x^8} = \frac{1}{x^2} = x^-^2[/tex]

In the form of xⁿ , the expression is x⁻²

An expression is a mathematical statement which consist of variables , constants and mathematical operators.

The expression given is

[tex]\rm \dfrac{x^6}{x^8}[/tex]

By the exponent rule

[tex]\rm \dfrac{a^m}{a^n} = a^{m-n}[/tex]

so,

[tex]\rm x^{6-8}\\x^{-2}[/tex]

Therefore in the form of xⁿ , the expression is x⁻² .

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Answer:

Yes, correct

Step-by-step explanation:

Hope that helppppps

Answer: 30^2 * pi = 2827.43.

30^2 is 900 and 900 times 3.14 is 2,826. Not the full Pi number.

Answer:

its a

Step-by-step explanation:

Answer:

x = 8

Step-by-step explanation:

a² + b² = c²

x² + 6² = 10²

x² + 36 = 100

x² = 100 - 36

x² = 64

[tex]\sqrt{x^2} =\sqrt{64}[/tex]

x = 8

Answer:

x=8

Step-by-step explanation:

6^2 = 36 = 100-36 = 64 square root of 64= 8

Answer:

$375

Step-by-step explanation:

If she has saved $375, and the price of the phone is also $375, then the price of the phone must be $375.

Answer:

1 : 18

Step-by-step explanation:

When finding scale factor, both measurements should in same unit

Circumference of the model bell = 8 inches

1 feet = 12 inches

12 feet = 12 * 12 = 144 inches

Circumference of the actual bell = 12feet = 144 inches

Model  : Actual = 8 : 144

                           = 8÷8 : 144÷8

                           = 1 :  18

Answer:

328 is the surface area

Step-by-step explanation:

Answer:

Step-by-step explanation:

Distance that Jonathan sep through

=900(29%) miles

=900(0.29) miles

=261 miles

They had traveled when Jonathan fell asleep will be 261 miles out of 900 miles.

The amount of something is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.

Jonathan's family took a road trip to Niagara Falls.

Jonathan slept through the last 29% of the trip.

If the total length of the trip was 900 miles.

Let x be the miles in which he was sleeping.

Then the value of the x will be

x = 0.29 × 900

x = 261 miles

More about the percentage link is given below.

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Answer:

8

Step-by-step explanation:

16/5 equals 3.2

10/4 equals 2.5

Multiply them together and you get 8

Could you plz give me a crown I'm really close to leveling up!

The area of the rectangle that measures 16/5 inches by 10/4 inches is 8 inches².

A rectangle is a 2-dimensional quadrilateral with four right angles. A rectangle has two diagonals of equal length which bisect each other.

Area of a rectangle = length x width

16/5 x 10/4 = 160 / 20 = 8 inches²

To learn more about how to calculate the area of a rectangle, please check: https://brainly.com/question/16595449

Answer:

No.

Step-by-step explanation:

The x values (inputs) are used multiple times (the 4 has 2 arrows coming out of it). Only y values can be repeated, but not X values.

If this truly helps you, help me out too, and thank me.

-Xax

Answer:

No

Step-by-step explanation:

A function gives only one output per input, which means an x value can only give one y value. Assuming the right side is f(x) and the left is x:

-4 points to both 12 and 15 which isn't possible for a function

Answer:

336703275

Step-by-step explanation:

brainliest please?

Answer:

336703275

Step-by-step explanation:

This is simple multiplication:

When you 'multiply' or 'times' a number you add it to itself a number of times, for example, 8475 multiplied by 39729 is the same as saying 8475 +8475 + 8475 = 336703275. Multiplication is therefore a quicker way of adding the same number many times, for example, 8475 x 39729 = 336703275.

The answer is 240 people

How to find a percent:

Percentage = (number you want to find the percentage for ÷ total) × 100.

Answer:

d= 6 and 12  

h= 7 and 9

welp that’s the formula

Answer:

The answer is 1.2

Step-by-step explanation:

Hope this helps

The height of the water in the tank after 5 minutes is 2.87 inches if the tank has a diameter of 120 inches and a height of 72 inches.

In geometry, it is defined as the three-dimensional shape having two circular shapes at a distance called the height of the cylinder.

We know the volume of the cylinder is given by:

[tex]\rm V = \pi r^2 h[/tex]

We have:

Water flows at a rate of 6500 cubic inches per minute into a cylindrical tank.

Volume or amount of water after 5 minutes:

= 6500×5

= 32500 cubic inches

The base area of the cylindrical tank = πr²

r is the radius of the tank

The diameter of the tank = 120 inches

The radius r = 120/2 = 60 inches

The base area of the cylindrical tank = π(60)² = 79200/7

∵ π = 22/7

The height of the water in the tank after 5 minutes

= 32500/(79200/7)

h = 2.87 inches

Thus, the height of the water in the tank after 5 minutes is 2.87 inches if the tank has a diameter of 120 inches and a height of 72 inches.

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