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Andrew [12]
3 years ago
8

Hhhhhhhhhhhheeeeeeeelllllllllllpppppppppppp me

Mathematics
1 answer:
Anettt [7]3 years ago
4 0
I might be wrong but im pretty sure the answer is B.
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A triangle has sides of length 7 cm, 12 cm, and 15 cm. What is the measure of the angle opposite the side that is 7 cm long? Rou
prisoha [69]

Answer:Given : A triangle has sides of length 7 cm, 12 cm, and 15 cm .

To find :Angle opposite the side that is 7 cm long? Round to the nearest degree.

Solution : We have a triangle of sides a=7 cm, b= 12 cm, c=15 cm.

By using cosine rule : a² = b²+c²- 2 bc cos(A).

Where angle A is opposite to side a=7 cm.

Plugging the values in formula ,

(7)² = (12)²+ (15)²- 2(12)(15) cos(A).

49 = 144 + 225 - 360 cos(A).

49 = 369 - 360 cos(A) .

-320 = - 360 cos(A) .

On dividing by - 360 and switching side

A = cos^{-1}(0.89) = 27 \ degrees .

Therefore, angle opposite the side that is 7 cm is 27 degrees.

5 0
3 years ago
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A customer went to a garden shop and bought some potting soil for 12.50 and 5 shrubs.The total bill was 62.50. Write and solve a
lana66690 [7]
The answer is 10.00

s - the price of one shrub
p - the price of potting soil
p = 12.50

<span>The total bill for 1 potting soil and 5 shrubs was 62.50:
p + 5s = 62.50
12.50 + 5s = 62.50
5s = 62.50 - 12.50
5s = 50.00
s = 50.00 : 5
s = 10.00</span>
6 0
3 years ago
The radius of a circle is 4 in . Find it’s circumference in terms of
luda_lava [24]

Answer:

8pi

Step-by-step explanation:

The formula for circumference is the radius multiplied by 2\pi. In this case, 4\cdot 2\pi=8\pi. Hope this helps!

6 0
2 years ago
Help please :) Whoever helps and gets answer correct gets Brainliest!
Keith_Richards [23]

Answer:

1/8 is the slope

Step-by-step explanation:

4 0
3 years ago
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PLEASE HELP 100 POINTS AND BRAINLY
gregori [183]

Answer:

Step-by-step explanation:

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2 years ago
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