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mezya [45]
3 years ago
7

Consider the system of equations. which shows an equivalent system of equations? see attatched

Mathematics
1 answer:
Ierofanga [76]3 years ago
8 0

Answer:

A.

Step-by-step explanation:

All choices show the first original equation.

Each choice shows a different second equation.

Take the second original equation:

6x + 5y = 30

Multiply both sides by -5.

-30x - 25y = -150

Answer: A.

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Find the size of the final unknown interior angle in a polygon whose other interior angles are:
qaws [65]

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(7×2-4)90

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3 0
3 years ago
Write the expression n n n n n n using an exponent. Name the base and the exponent.​
fiasKO [112]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
If 15% of x is 42, what is x?
Blizzard [7]

Answer:

x=280

Step-by-step explanation:

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or,

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If you are using a calculator, simply enter 42×100÷15, which will give you the answer.

6 0
3 years ago
Read 2 more answers
Explain the process and the properties you have to use to solve the logarithmic equation: log(3)x + log(3)4 - 2 log(3)3 = 2
Akimi4 [234]

81/4

Step-by-step explanation:

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9=4x/9

81=4×

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adding logs means elements are multiplied, subtracting means divide. number in front of log is raised to power

base of log is raised to power of element after =

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solve resulting equation

6 0
3 years ago
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