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gladu [14]
3 years ago
9

For options A– E choose all of the expressions that are equivalent to 3(4x + 3).

Mathematics
1 answer:
Katen [24]3 years ago
3 0
3(4x+3) = 12x + 9
A= 3(4x+1)
B= 9 + 12x
C= 7x + 6
D= 12x + 9
E= 12x + 9

Answer: D, E

Hope This Helps✨
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Answer:

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Step-by-step explanation:

Perimeter of Rectangle:

= 2(20x²-12x+4) + 2(5x²-5x+15)

= 40x²-24x+8 + 10x²-10x+30

= 50x²-34x+38

Perimeter of Triangle:

= 6x²+6x+3x+3+3x²-2x+8

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2 years ago
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Answer:

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(b): 27.9

Please see below for the steps.

Step-by-step explanation:

(a):

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Use slope formula. The slope formula is also used to find average rate of change (just so you know).

y2-y1/x2-x1

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Answer for (a) is 26.1

(b):

Use points (4, 147.6) and (9, 287.1)

Use slope formula.

y2-y1/x2-x1

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The answer for (b) is 27.9

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5 0
1 year ago
A hot air balloon hovers 75 feet above the ground. The balloon is tethered to the ground
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As we have the opposite side 75 ft to the angle and the hypotenuse 125 ft, we can find the sine value as,

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θ = sin⁻¹ (0.6) = 36.9°≈ 37°

So angle of elevation is 37°.

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What number is 1/10 as great as 7,962
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Divide 7962 by 1/10:

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