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3 years ago

Find the sum and express it in simplest form. (-4a + c + 3) + (-3a + 5c)

Mathematics

1 answer:

Pie3 years ago

7 0

(-4a+c+3) + (-3a + 5c)

-4a-3a+c+5c+3 <--- Combine Like Terms

Answer: -7a+6c+3

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A number a decreased by 7 is 2.

umka21 [38]

Answer:

Step-by-step explanation:

Let's first convert this to numbers. When a number is decreased by a certain amount, that is the same as saying that something is subtracted from it. Therefore:

a-7=2

Add 7 to both sides:

a-7+7=2+7

a=9

Hope this helps!

7 0

3 years ago

Read 2 more answers

If a circle has circumference c, what is it’s are in terms of C

Scilla [17]

$\text {Circumference = } 2 \pi r$

$c = 2 \pi r$

$\text {r = } \dfrac{c}{2 \pi }$

$\text {area = } \pi r^2$

Sub r into area:

$\text {area = } \pi ( \dfrac{c}{2 \pi } )^2$

$\text {area = } \dfrac{\pi c^2}{4 \pi^2 }$

$\text {area = } \dfrac{\ c^2}{4 \pi }$

7 0

3 years ago

(y x 1) + 2 and y + 2, is it equivalent or non equivalent?

enot [183]

Given:

The two expressions are

$(y\times 1)+2$

$y+2$

To find:

Whether the given expression are equivalent or non-equivalent.

Solution:

If two expressions are looking different but they are equal after simplification, then they are called equivalent expressions.

The first expression is

$(y\times 1)+2=y+2$

The first expression is equal to the second expression after the simplification.

Therefore, the given expressions are equivalent.

5 0

3 years ago

Help!!!! And is the first on correct

ExtremeBDS [4]

2s+5≥49

First: Subtract 5 on both sides
You'll get: 2s ≥ 44
Last: Divide each side by 2 so your s would be alone
You'll get: s ≥ 22 <That would be your answer

HOPE THIS HELPS! ^_^

7 0

3 years ago

If Logx (1 / 8) = - 3 / 2, then x is equal to

Rasek [7]

answer is C 1/4

see attached picture, it is not exact but with rounding it comes out correct.

8 0

3 years ago