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2 years ago

Help plz will mark Brainly

Mathematics

1 answer:

irina1246 [14]2 years ago

3 0

Answer:

126 inches

Step-by-step explanation:

If your drawing is on a 1 : 40 scale, to find the scale's height, divide the ride's height by 40.

420 / 40 = 10.5

So the drawing will be 10.5 feet tall.

To convert 10.5 feet to inches, multiply it by 12.

10.5 * 12 = 126 inches

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4. Which property of operations is used to write 15x + 9 as 9 + 15x?

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Solution: The commutative property of addition states that when two numbers are being added, their order can be changed without affecting the sum.

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2 years ago

Plese HELP !!!

beks73 [17]

Answer:

-9/8

Step-by-step explanation:

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2 years ago

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3 years ago

What percent is equivalent to 7/20

expeople1 [14]

35%
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3 years ago

Solve the quadratic equation by factoring. 9x^2+24x+20=4

const2013 [10]

D. -4/3

Let's solve your equation step-by-step.

9x2+24x+20=4

Step 1: Subtract 4 from both sides.

9x2+24x+20−4=4−4

9x2+24x+16=0

Step 2: Factor left side of equation.

(3x+4)(3x+4)=0

Step 3: Set factors equal to 0.

3x+4=0 or 3x+4=0

x= −4 /3

Hope This helps

5 0

3 years ago