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ladessa [460]
3 years ago
15

If the width of the painting is 68 centimeters, what is its length?

Mathematics
1 answer:
Monica [59]3 years ago
3 0
The length x could be any number that’s positive so you can make any length up
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You need to find the distance across a river, so you make a triangle. BC is 661 feet, m∠B=103.2° and m∠C=14.4°. Find AB.
kati45 [8]

Answer:

AB = 185.77 feet

Step-by-step explanation:

From the figure attached, in ΔABC,

m∠B = 103.2°, m∠C = 14.4° and side BC = 661 feet

We have to find the measure of side AB.

Since ∠A + ∠B + ∠C = 180°

∠A + 103.2 + 14.4 = 180

∠A + 117.6 = 180

∠A = 180 - 117.6

     = 62.4°

By applying sine rule in the given triangle ABC

\frac{AB}{sinC}=\frac{BC}{sinA}

\frac{AB}{sin14.4}=\frac{661}{sin62.4}

\frac{AB}{0.249}=\frac{661}{0.886}

AB = \frac{0.249\times661}{0.886}

     = 185.77 feet

Therefore, AB = 185.77 feet will be the answer.

4 0
2 years ago
PLEASE HELP! Find the height of a cylinder with a surface area of 108 pi square meters. The radius of the cylinder is twice the
Naily [24]
Assuming the cylinder is closed at both ends 
Surface area = 2 pi r^2 + 2 pi r h  = 108

now h = r/2 so we have:-

 2pi r^2 +  pi r^2= 108

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r =  3.385 
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7 0
3 years ago
First.
velikii [3]

Answer:o

Step-by-step explanation:

3 0
3 years ago
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Angle B measures 60°. What is the measure of the angle that is complementary to angle B?
vodomira [7]
Complementary angles add up to 90.
Say the complementary angle is A. 
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Angle A + 60 = 90
Angle A = 30 degrees

Hope this helps :)
6 0
3 years ago
Read 2 more answers
HELP ME PLEASE I need it
nadezda [96]
The answer should be
f=1/5 x^2 + -2/5x
6 0
2 years ago
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