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larisa [96]
3 years ago
7

What is the measure of the missing angle?

Mathematics
2 answers:
Hoochie [10]3 years ago
8 0
The answer would be D because triangles add up to 180 degrees and the two angles together only add up to 140, so the missing angles would be 40 degrees
sergiy2304 [10]3 years ago
4 0
D. 40 degrees

This is the answer because 70+70=140
There is 180 degrees in a Triangle. So you must subtract 140 from 180. 
180-140=40. 
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What is the point slope form of a line with slope 2 that contains the point (1, -1)
mezya [45]
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So,

y - (-1) = 2(x - 1)
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Hope this helps :)
3 0
3 years ago
An object launched vertically from a point that is 37.5 feet above ground level with an initial velocity of 48.6 feet per second
Elis [28]

Answer: 3.675 seconds

Step-by-step explanation:

Hi, when the object hits the ground, h=0:

h=−16t^2+48.6t+37.5

0=−16t^2+48.6t+37.5

We have to apply the quadratic formula:  

For: ax2+ bx + c  

x =[ -b ± √b²-4ac] /2a  

Replacing with the values given:  

a=-16 ; b=48.6; c=37.5

x =[ -(48.6) ± √(-48.6)²-4(-16)37.5] /2(-16)  

x = [ -48.6 ± √ 4,761.96] /-32

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Positive:  

x = [ -48.6 + 69] /-32 = -0.6375

Negative:  

x = [ -48.6 - 69] /-32 = 3.675 seconds (seconds can't be negative)

Feel free to ask for more if needed or if you did not understand something.  

8 0
3 years ago
6.012<br> as a mixed number in simplest form.
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4 0
3 years ago
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Hunter-Best [27]

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<u>Divide both sides by 9:</u> x = 1

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

9 - 2(1) = 7(1)

9 - 2 = 7

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3 0
3 years ago
V=pir^2h solve this equation for h
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Since we are solving for h, the equation:

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h = \frac{V}{ \pi r^2}
3 0
3 years ago
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