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dmitriy555 [2]
3 years ago
9

Find the measure of <2

Mathematics
1 answer:
lana66690 [7]3 years ago
7 0

Answer:

45

Step-by-step explanation:

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Evgesh-ka [11]

Answer:

The answer is a, 8+s=10  

Step-by-step explanation:


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What is greater 8/10 or 80/10
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80/10 is greater!

Step-by-step explanation:

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An object is launched vertically upward from a 25 foot platform and is modeled by the function s(t)=−16t2+11t+25.
ch4aika [34]

Correct option:

d. 1.64

<h2>Explanation:</h2>

An object is launched vertically upward from a 25 foot platform and is modeled by the following function:

s(t)=-16t^2+11t+25

So this is the equation of a parabola because the object is a projectile so it follows the Projectile Motion.

The object fall back to the ground when s(t)=0 so:

-16t^2+11t+25=0 \\ \\ \\ Using \ quadratic \ formula: \\ \\ t_{12}=\frac{-b\pm \sqrt{b^2-4ac}}{2a} \\ \\ a=-16 \\ \\ b=11 \\ \\ c=25 \\ \\ \\ t_{12}=\frac{-11\pm \sqrt{11^2-4(-16)(25)}}{2(-16)} \\ \\ t_{12}=\frac{-11\pm 41.48}{-32} \\ \\ t_{1}=\frac{-11+ 41.48}{-32}=-0.95s \\ \\ t_{2}=\frac{-11- 41.48}{-32}=1.64s

Since time can't be negative, we only choose the positive value. therefore:

<em>The object fall back to the ground after 1.64 seconds</em>

<em></em>

<h2>Learn more:</h2>

Projectile motion: brainly.com/question/12554459

#LearnWithbrainly

4 0
4 years ago
One full revolution of a circle is 180º.<br> 0<br> True<br> False
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True

Step-by-step explanation:

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4 0
3 years ago
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13 is x= 100 degrees

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