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Sati [7]
3 years ago
9

Help me plzz I need help with this!!

Mathematics
1 answer:
Anni [7]3 years ago
5 0

Answer:

expanded it would be 0.05 x 50 + 0.05 x 40

Step-by-step explanation:

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If a = 5, b = 4, and c = 7, find the value for 3(b + a) = c.<br> 10<br> 15<br> 34<br> 20
Debora [2.8K]

Answer:

20

Step-by-step explanation:

3 (b + a) = c

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3 years ago
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The perimeter of the polygon above is
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Answer:

80 cm

Step-by-step explanation:

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4 0
3 years ago
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April shoots an arrow upward at a speed of 80 feet per second from a platform 25 feet high. The pathway of the
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Answer:

The maximum height of the arrow is 125 feet.

Step-by-step explanation:

The pathway of the arrow can be represented by the equation,

h = -16t^2 +80t + 25 .....(1)

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So,

\dfrac{d(-16t^2 +80t + 25)}{dt}=0\\\\-32t+80=0\\\\t=\dfrac{80}{32}\\\\t=2.5\ s

Put t = 2.5 s in equation (1). So,

h = -16(2.5)^2 +80(2.5) + 25\\\\h=125\ \text{feet}

So, the maximum height of the arrow is 125 feet.

6 0
3 years ago
The number of people contacted at each level of a phone tree can be represented by f(x) = 3x, where x represents the level.What
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Step-by-step explanation:

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marin [14]
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