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4 years ago

POWERS OF 10 PRACTICE 7TH GRADE

Mathematics

1 answer:

velikii [3]4 years ago

8 0

Answer:

0.001 and 1/1000

Step-by-step explanation:

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Nx-5= -0.4<br> What is N?

denis-greek [22]

Answer:

$\large\boxed{n=\dfrac{4.6}{x}}$

Step-by-step explanation:

$nx-5=-0.4\qquad\text{add 5 to both sides}\\\\nx-5+5=-0.4+5\\\\nx=4.6\qquad\text{divide both sides by}\ x\neq0\\\\\dfrac{nx}{x}=\dfrac{4.6}{x}\\\\n=\dfrac{4.6}{x}$

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4 years ago

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Please help need answer for a quiz

torisob [31]

Answer:

first one with -1...21

Step-by-step explanation:

only one that follows quadratic formula format

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3 years ago

Rewrite f(x) = 2(x − 1)2 + 3 from vertex form to standard form.

serious [3.7K]

Answer:

Step-by-step explanation:

f(x) = 2(x − 1)² + 3

= 2 ( x² - 2x +1) +3

= 2x² - 4x +2 +3

f(x) = 2x² − 4x + 5 .....standard form.

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4 years ago

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Reduce to simplest form.<br> 3/2 + (-6/5) = ____

Nimfa-mama [501]

The correct answer is 3/10

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3 years ago

Evaluate the expression3(7+4)2-14/7

adoni [48]

Answer:

Step-by-step explanation:

3(7+4)2-14/7

3(11)2-14/7

(33)2-14/7

66-14/7

66-2

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3 years ago