2 years ago

What is the simplified algebraic expression for x-(x+7)

Mathematics

2 answers:

never [62]2 years ago

7 0

-7

Explanation
Cause I’m like that

Natalija [7]2 years ago

3 0

-x^2 + 7 is the simplified expression

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I have a lot of khan questions so any help would be appreciated 3(−2a−4)+3a

nata0808 [166]

Answer:

-3a-12

Step-by-step explanation:

3(-2a-4)+3a

-6a-12+3a

-6a+3a-12

-3a-12

3 0

2 years ago

Which expression is equivalent to 4(7 + 8)? A) 11+8 B) 11+12 C) 28+12 D) 28+32

andreev551 [17]

To do this we take the outlier off the parenthesis (the 4) and multiply it by the two numbers inside the parenthesis...

4*7 + 4*8

28+32

7 0

3 years ago

Read 2 more answers

I dont get this question.

SashulF [63]

It is 12 - 2/3 = 18, then solve :)
hope that helps :D

8 0

3 years ago

Compute 1 + 2 + 3 +....+ 1,997 + 1,998 + 1,999

sp2606 [1]

Answer:

1 999 000

Step-by-step explanation:

Formula:

$1+2+3+.\ .\ .+n=\frac{n\times \left( n+1\right) }{2}$

………………………………………

Then

$1+2+3+....+1997+1998+1999=\frac{1999\times \left( 1999+1\right) }{2}$

$1+2+3+....+1997+1998+1999=\frac{1999\times \left( 2000\right) }{2}$

$1+2+3+....+1997+1998+1999=\frac{3998000 }{2}$

$1+2+3+....+1997+1998+1999=1999000$

7 0

2 years ago

Use the simple interest formula to find the unknown quantity. I = prt I = $9 p = $450 r = 4% t =

Andreyy89

Answer:

1/2

just did this on edgenuity:)

4 0

2 years ago