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dsp73
3 years ago
6

How to do geometry ex determining angle measures

Mathematics
1 answer:
stiks02 [169]3 years ago
6 0

Answer:

To determine to measure of the unknown angle, be sure to use the total sum of 180°. If two angles are given, add them together and then subtract from 180°. If two angles are the same and unknown, subtract the known angle from 180° and then divide by 2.

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A circle is graphed with its center on the origin.The area of the circle is 49 square units.What are the coordinates of the x-in
neonofarm [45]

Answer:

3.95 and -3.95

Step-by-step explanation:

To graph a circle you can use the formula or (x – h)^2 + (y – k)^2 = r^2. So substituting in the given, we get x^2+y^2=49/pi. The x intercept is when y=0. So x^2=49/pi and so

x = sqrt(49/pi) and rounding to the nearest tenth, we get 3.95 and -3.95 because it isn’t a principal square root.

3 0
3 years ago
What is the following equation formed when completing the square on Y^2-12y=-27
Salsk061 [2.6K]

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7 0
2 years ago
Read 2 more answers
Solve for x.
Lana71 [14]

Answer:

B. -5

Step-by-step explanation:

this is quite simple, so what you are going to want to do is multiply -3 by 4, and -16, so distribute that and you'll end up with

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then you want to subtract 48 from both side to leave the x on one side alone

that will be -12x= -60

after that you have to divide both sides by -12 to find your x

so then you will see that your x is = -5! hope this helps!!

4 0
3 years ago
PLEASE HELP!!! (picture included!)
Igoryamba

Answer:

D

Step-by-step explanation:

To find the equation of the line, substitute the point (-5,1) and the slope 3/2 into the point slope form y - y_1 =m(x-x_1).

The equation is y - 1 = \frac{3}{2}(x --5)\\y - 1 = \frac{3}{2}(x+5)

8 0
3 years ago
1. Naty bought a dress for $24.95 and a skirt for $14.95. The sales clerk said the total
ch4aika [34]

Answer:

Answer:

39.995=40.00

   

Step-by-step explanation:

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7 0
3 years ago
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