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3 years ago

5

Use one or more exponents to write the expression 9 x 9 x 9 x 9 x 7 x 7

1 answer:

Helen [10]3 years ago

6 0

Answer:

9^3 times 7^2

Step-by-step explanation:

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slega [8]

Answer:

C is correct.

Step-by-step explanation:

The angles in the triangle have to add up to 180 and 36+36+108 is 180.

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3 years ago

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Directions: For the following systems, determine whether or not the ordered triple (1, -1, -2) is a solution to the equations be

uranmaximum [27]

Put the coordinate and check each

#1

$\\ \rm\Rrightarrow 3x-3y-z=2$

$\\ \rm\Rrightarrow 3(1)-3(-1)-(-2)=2$

$\\ \rm\Rrightarrow 3+3+2=2$

$\\ \rm\Rrightarrow 6+2=2$

$\\ \rm\Rrightarrow 8\neq 2$

No

#2

$\\ \rm\Rrightarrow 2(1)-3(-1)-2=-3$

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$\\ \rm\Rrightarrow 3\neq-3$

Unless you did typing mistake on right hand side it's

No

#3

$\\ \rm\Rrightarrow 1-1-2=-2$

$\\ \rm\Rrightarrow -2=-2$

Yes

#4

$\\ \rm\Rrightarrow 1+2(-1)-(-2)=0$

$\\ \rm\Rrightarrow 1-2+2=0$

$\\ \rm\Rrightarrow 1\neq0$

No

#5

$\\ \rm\Rrightarrow 5(1)+1-5(-2)=16$

$\\ \rm\Rrightarrow5+1+10=16$

$\\ \rm\Rrightarrow 16=16$

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#6

$\\ \rm\Rrightarrow 4(1)+5(-1)-6(-2)=-13$

$\\ \rm\Rrightarrow 4-5+12=-13$

$\\ \rm\Rrightarrow -1+12=-13$

$\\ \rm\Rrightarrow 11\neq -13$

No

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2 years ago

I need to know what the square root of 280 is

beks73 [17]

$16.733$

It approximately the answer (17) if rounded

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eduard

The coment before me is super funny lol
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3 years ago