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2 years ago

On a scale drawing of 1/2 inch = 3 miles on the drawing how many miles are represented by a line that is 4 1/2 inches long

Mathematics

2 answers:

VARVARA [1.3K]2 years ago

4 0

27 miles because one inch is 6 miles. 6x4 is 24 plus the half which is 27

Sophie [7]2 years ago

3 0

27 miles

Because if 3 miles = .5 inch —multiply that by 2 and you get 6.
Then multiply 6 (4) = 24
24+3 = 27 miles

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Is x a solution to 80<-9x+8

saveliy_v [14]

Answers: $x$

1. Switch sides

$-9x+8>80$

2. Subtract by 8 from both sides of equation.

$-9x+8-8>80-8$

3. Simplify.

$-9x>72$

4. Multiply by -1 from both sides of equation. (it's should be the reverse inequality).

$(-9x)(-1)$

5. Simplify.

$9x$

6. Then you had to divide by 9 from both sides of equation.

$\frac{9x}{9}< \frac{-72}{9}$

7. Simplify.

$\frac{9x}{9}=x$

8. Divide by the numbers.

$\frac{9}{9}=1$

$=x$

$\frac{-72}{9}=-8$

9. Divide by the numbers.

$\frac{72}{9}=8$

$=-8$

$x$

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3 0

3 years ago

If f(x)= 3x2- 2x + 3 then find what f(3) is equal to

Anettt [7]

Answer:

Answer is 24

Step-by-step explanation:

$given \: f(x) = 3 {x}^{2} - 2x + 3 \\ to \: find \: f(3) \ : \: ? \\ f(3) = 3( {3}^{2} ) - 2(3) + 3 \\ = 3(9) - 6 +3 \\ = 27 - 3 \\ = 24$

HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION.

5 0

2 years ago

Read 2 more answers

Arthur bought a life insurance policy at $10.98 per month for a 20 year term. What will he pay over 20 years for the premium?

andre [41]

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I hope this helps :)

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2 years ago

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iogann1982 [59]

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2 years ago

The formula F=95C+32 changes a temperature reading from the Celsius scale C to the Fahrenheit scale F. What is the temperature m

lora16 [44]

Answer:

D, 122°F

Step-by-step explanation:

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3 years ago