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3 years ago

A scale factor can never by greater than 1. True False

Mathematics

2 answers:

NNADVOKAT [17]3 years ago

7 0

Your answer would be false.

pentagon [3]3 years ago

6 0

I'm 99% sure it's false

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Find the value of..<br><br>

Zina [86]

Step-by-step explanation:

[1/2]^-2= 4

[1/3]^-2=9

[1/4]^-2=16

So sum is 4+9+16=29

Hope this helps you.

6 0

3 years ago

How do I do the power rule I don't understand

Yakvenalex [24]

You multiply the number by itself however many times it says for example 2 to the second power 2x2 is 4

3 0

3 years ago

A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze, and the second brand is 70% pure anti

andre [41]

Answer:

First brand of antifreeze: 21 gallons

Second brand of antifreeze: 9 gallons

Step-by-step explanation:

Let's call A the amount of first brand of antifreeze. 20% pure antifreeze

Let's call B the amount of second brand of antifreeze. 70% pure antifreeze

The resulting mixture should have 35% pure antifreeze, and 30 gallons.

Then we know that the total amount of mixture will be:

$A + B = 30$

Then the total amount of pure antifreeze in the mixture will be:

$0.2A + 0.7B = 0.35 * 30$

$0.2A + 0.7B = 10.5$

Then we have two equations and two unknowns so we solve the system of equations. Multiply the first equation by -0.7 and add it to the second equation:

$-0.7A -0.7B = -0.7*30$

$-0.7A -0.7B = -21$

$0.2A + 0.7B = 10.5$

--------------------------------------

$-0.5A = -10.5$

$A = \frac{-10.5}{-0.5}$

$A = 21\ gallons$

We substitute the value of A into one of the two equations and solve for B.

$21 + B = 30$

$B = 9\ gallons$

3 0

3 years ago

Solve: In2x + In 2= 0

marusya05 [52]

Answer:

x = {1}{4}

Step-by-step explanation:

4 0

3 years ago

For the following right triangle, find the side length x. Round your answer to the nearest hundredth.

atroni [7]

Answer:

14.97

Step-by-step explanation:

8 0

3 years ago