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serious [3.7K]
3 years ago
13

Find measure of missing angle

Mathematics
1 answer:
devlian [24]3 years ago
5 0

Answer:

18

Step-by-step explanation:

properties of a triangle: all the angles add up to 180 degrees

so

180 - 90 - 72 = 18

answer is 18 degrees

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Determine the maximum number of zeros of the polynomial function -8x^4-x^2+2
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To find that one, just look at the highest exponent.  In the given equation that would be 4, so there can be at most 4 zeros in this function.
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4 years ago
What is the circumference of a circle with a diameter of 10 in?
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The answer is 31.42 since the radius is five and then you multiply it times squared and then times 3.14
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Please help with this question immediately
34kurt

Answer:

54 minutes

Step-by-step explanation:

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6 0
3 years ago
Can someone help me plz​
alexandr1967 [171]

Answer:

B. & E.

Step-by-step explanation:

First, to find your slope, put your line into slope-intercept form.

y=mx+b\\

3x-4y=7\\-4y=-3x+7\\y=\frac{3}{4} x-\frac{7}{4}

Your slope is \frac{3}{4}.

Now, you can find the y-intercept of your parallel line by plugging your given point and your slope into point-slope form.

y-y1=m(x-x1)\\y-(-2)=\frac{3}{4} (x-(-4))\\y+2=\frac{3}{4} (x+4)\\y+2=\frac{3}{4} x+3\\y=\frac{3}{4} x+1

Your y-intercept is 1.

If you notice, answer choice E is equivalent to one of our steps in converting it to point-slope form. Therefore, E is one of your answers.

The equation of your parallel line is:

y=\frac{3}{4} x+1

B is also a correct answer.

If you put B into slope-intercept form, you get the following:

3x-4y=-4\\-4y=-3x-4\\y=\frac{3}{4} x+1

This, of course, is equivalent to the parallel line which we already found, so we know it is parallel.

7 0
4 years ago
Read 2 more answers
You are walking away from home at a constant velocity of 5 km per hour. The first landmark you see is your favorite fountain whi
Reptile [31]
R=5km
D=2km

T=D/R

T=2km/5km
4 0
4 years ago
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