3 years ago

Which circles have a circumference of 18pi units?

1 answer:

3 0

It's A and C, I've taken a test that has this question and it was correct when I answered this, so A and C is your answer.

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Write 4,670,000 in standard form

GrogVix [38]

Step-by-step explanation:

4,670,000

4.67x10^6

(im pretty sure this is correct) :)

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3 years ago

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Pls solve for each variable

Serjik [45]

$\frac{a}{8} = - 4 \\ = > a \: = - 4 \times 8 \\ = > a \: = - 32 \\$

<h3>Answer is -32.</h3>

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3 years ago

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Which of the following functions is not linear?

Molodets [167]

Hi there! The answer is A.
Graph A. is not linear because it contains x^2 and therefore is a quadratic function.

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3 years ago

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27^x = 9^x − 4 Question 1 options: x = 8 x = 4 x = −4 x = −8

Mariulka [41]

Answer:

x = -8

Step-by-step explanation:

Given the equation:

$27^x=9^{x-4}$

Note that

$27=3^3\\ \\9=3^2,$

then

$27^x=(3^3)^x=3^{3x}\\ \\9^{x-4}=(3^2)^{x-4}=3^{2(x-4)}$

Rewrite the equation as

$3^{3x}=3^{2(x-4)},$

then

$3x=2(x-4)\\ \\3x=2x-8\\ \\3x-2x=-8\\ \\x=-8$

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3 years ago

Jerry had $1,018.00 in savings. last week he spent $84.00 on a desk and $372.00 on a computer from his savings. this week at a p

liberstina [14]

Original balance $1,018.00
Desk cost -$84.00
Computer cost -$372.00
Savings from job +$44.00
Current balance = $606.00
Amount to be added to get original balance:
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= $412.00

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3 years ago

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