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3 years ago

Please help with these questions and show how u found them! i will mark brainliest !

Mathematics

1 answer:

Georgia [21]3 years ago

7 0

Answer:

Step-by-step explanation:

Question 3

5 (k + 4) - 2k

Use distributive property of multiplication.

5k + 20 -2k

Combine like terms to get your answer.

3k +20

Question 4

2 (3 + d - 1)

Simplify the expression in the parenthesis.

2 (2 + d)

Use distributive property of multiplication.

4 + 2d

If you wanted it to be accepted at higher levels, switch the terms around.

2d + 4

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3 years ago

I need help! Please answer this question

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4 years ago

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Juvi is baking oatmeal raisin cookies and fudge brownies! To make 4 batches of brownies, Juvi needs 2/3 of a cup of sugar. She a

dsp73

We can add the fractions together to compare with how much sugar she needs.

$\frac{1}{2}+\frac{2}{5}=\frac{5}{10}+\frac{4}{5}=\frac{9}{10}$

So Juvi has $\frac{9}{10}$ cups of sugar.

She needs $\frac{2}{3}$ cups, so let's make the denominators the same and compare.

$\frac{2}{3}=\frac{20}{30}$

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Since $\frac{27}{30}$ > $\frac{20}{30}$ , she has enough sugar to make 4 batches of brownies.

Hope this helps.

頑張って!

3 0

3 years ago

U is the midpoint of line segment XY. if XU=6x-7 and UY=4x+9, find the value of x and the measure of XY.

n200080 [17]

Answer:

Since U is the midpoint of XY, $XU = UY\\or, 6x-7 = 4x+9\\or, 6x - 4x = 7+9\\or, 2x = 16\\or, x = 8\\XY = XU +UY = 6x - 7 + 4x +9 = 10x+2 = 10(8) +2 = 82$

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3 years ago