MATHEMATICS MIDDLE SCHOOL

Help help help thanks

Answers

Answer 1

Answer:

Answer: a=2/5b + 1/5c (I may have answered your question but idk if I did)

Step 1: Add -4a to both sides.

9a−2b+−4a=4a+c+−4a

5a−2b=c

Step 2: Add 2b to both sides.

5a−2b+2b=c+2b

5a=2b+c

Step 3: Divide both sides by 5.

5a/5=2b+c/5

a=2/5b+1/5c

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Product of (x+y)(2x+4y)

Answers

When you multiply the equation out and you simplify like terms you get.

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Corinne is 6 years younger than her brother. Which of the following expressions shows the sum of their ages if b represents Corinne's brother's age?A. b − 6
B. 2b − 6
C. 2(b − 6)
D. b ÷ 6

Answers

its b-6 because her brother is B and crinne is 6 yrs youner meaning that its -6 so final answer is B-6

1x1x1x50x34x3x4x5x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4x4

Answers

Answer:

4.3808666

Step-by-step explanation:

Answer:

7.009386627e15

Step-by-step explanation:

2 decimals that are equivalent to the given decimal of 2.200

Answers

There aren't much, you could just add or take away zeroes. It could be 2.2 or 2.20000000000000000000000000000000000000000000000000000000000000.
;)

Eleanor and max used two rectangular wooden boards to make a set for the school play.one board was 6 feet long and the other board was 5 and 1/2 feet long. the two boards had equal widths .The total are off the set was 60 3/8 square feet.What was the width??

Answers

Area = Length × Width

60 3/8 = (5 1/2 × w) + (6 × w)
60 3/8 = 11 1/2 + 2w
48 7/8 = 2w
24 7/16 = w

Width: 24 7/16

By definition, the area of a rectangle is:

Where,

w: width of the rectangle

l: length of the rectangle

The total area is given by:

Where,

A1: rectangular wooden board 1

A2: rectangular wooden board 2

Substituting we have:

Rewriting we have:

Answer:

The width is given by:

How do u find mean absolute deviation

Answers

To find the mean absolute deviation, u have to find the mean of the data set first. after u find the mean, u subtract to find the numbers distance from the mean. after u do that, u then add up all the new numbers and then divide by how many numbers there are in the data set, and whatever ur answer ends up being is the mean absolute deviation of ur data set.

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