MATHEMATICS MIDDLE SCHOOL

Last week Missy read for a total of 240 minutes during this time she read 112 pages at this rate how many pages did she read in an hour

Answers

Answer 1
Answer:

Answer:

28 pages

Step-by-step explanation:

240 minutes = 4 hours

240 minutes = 112 pages read

You have to divide by 4 the numbers are in each side, it would be like this:

60 minutes = 28 pages read

60 minutes is equal to an hour

1 hour = 28 pages read

Hope this was helpful :)

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What is the area of this parallelogram? ____cm2

How many times do 567 go into 5

Answers

113.4 because its the same as 567 divided by 5
113 × 5 = 565.
then you've got 2 left.
2/5 is 0.4
so the answer is 113.4 (or 113 2/5)

What is the inverse of f(x)=6x-8

Answers

Answer:

(x+8)/6

Step-by-step explanation:

use this method

y = 6x - 8 ➡ y + 8 = 6x ➡ (y + 8)/6 = x

now write x instead of y

(x+8)/6

Answer:

f(x)=6x−8 f ( x ) = 6 x - 8 . sorry if this isnt it

Step-by-step explanation:

How many solutions exist for the given equation? 3(x – 2) = 22 – x zero one two infinitely many

Answers

An equation can either have a solution, no solution or infinite many solutions

The equation has one solution.

The equation is given as:

\mathbf{3(x - 2) = 22 - x}

Open bracket

\mathbf{3x - 6 = 22 - x}

Collect like terms

\mathbf{3x + x = 6 + 22}

Evaluate like terms

\mathbf{4x = 28}

Divide both sided by 4

\mathbf{x = 7}

The above equation is true for x = 7

This means that: the equation has one solution.

Read more about equation solutions at:

brainly.com/question/2497547

Answer:

one solution

Step-by-step explanation:

Given

3(x - 2) = 22 - x ← distribute parenthesis on left side

3x - 6 = 22 - x ( add x to both sides )

4x - 6 = 22 ( add 6 to both sides )

4x = 28 ( divide both sides by 4 )

x = 7

Melissa’s birthday is next week and she has been receiving cards in the mail with different amounts of money. She has received 5 cards with the following amounts: $10, $20, $ 25, $30, $40. If Melissa receives one more card in the mail with $25, which of the following will happen?

Answers

We have to choose an answer that best describes what will happen with the standard deviation. First we have to calculate the Mean without last $25. Mean 1= ( 10 + 20 + 25 + 30 + 40 ) / 5 = 25. Standard deviation: SD 1 = sqrt( ( 225 + 25 + 0 + 25 + 225 ) / 5 ) = sqrt ( 500/5 ) = sqrt ( 100 ) = 10. Then we have to calculcate the Mean with additional $25 : Mean 2 = ( 10 + 20 + 25 + 30 + 40 + 25 ) / 6 = 25 ( same again ). The new Standard Deviation: SD 2 = sqrt ( ( 225 + 25 + 0 + 25 +225 + 0 ) / 6 ) = sqrt( 500 / 6 ) = sqrt ( 83.33 9 = 9.13. 9.13 < 10. Answer: The standard deviation A ) Decreases.

Answer:

a and b

Step-by-step explanation:

its right

the water pipe has a radius of 5 cm and a height of 7 cm. what volume of water does it take to fill the pipe?

Answers

Given the formula \pi r^(2) =v
Replace the values, so it will be \pi 25(7)=v
v=549.78

Answer:

549.78

Step-by-step explanation:

Given the formula  \pi  r^{2} =v

Replace the values, so it will be  \pi 25(7)=v

v=549.78

Help ^^^ use picture above

Answers

The question reminds you of all the tools you need:

It says ...

"Opposite angles are equal."
So the upper right angle is x+40 just like the bottom left,
and the bottom right angle is 3x+20 just like the upper left.

And it says ...

"The sum of all angles is 360°."
You know what each of the four angles is, so you can addum all up,
set the sum equal to 360, find out what number ' x ' is, and then
use that to find the size of every angle.  

solve for x in the equation 2(x+40)+2(3x+20)=360 and then plug x value back in for each angle, x=40 therefore, top angle=110 and bottom=70
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