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3 years ago

Maria wants to solve the following system using the elimination method:

Mathematics

2 answers:

4vir4ik [10]3 years ago

4 0

The answer would be D

Artist 52 [7]3 years ago

4 0

Answer: D -9

(08.05)

Maria wants to solve the following system using the elimination method:

4x + 9y = 59

x + y = 17

What number should the equation x + y = 17 be multiplied by to eliminate y?

a 4

b −4

c 9

d −9

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2 years ago

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2 years ago

8.9× 10 to the power of 4

Wittaler [7]

Assignment: $\bold{Solve \ 8.9\cdot \:10^4}$

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Answer: $\boxed{\bold{89000}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Multiply

$\bold{10^4=10000}$

[ Step Two ] Rewrite Equation

$\bold{10000\cdot \:8.9}$

[ Step Three ] Multiply

$\bold{8.9\cdot \:10000=89000}$

[ Step Four ] Simplify

$\bold{89000}$

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