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Leviafan [203]
3 years ago
11

Find the height of the building below by using your knowledge of trigonometry.

Mathematics
1 answer:
Lilit [14]3 years ago
5 0

Answer:

50\sqrt{3}

Step-by-step explanation:

The figure represents a 30-60-90 special triangle

in this special right triangle the measure of sides lengths is represented by

a, a\sqrt{3}, and 2a

The side length that sees angle measure 30 is represented by a and here we see a = 50m

The height of the building, which sees angle measure 60, is equal to

50\sqrt{3}

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The volume of a cylinder is 1,0291 cubic centimeters. The height of the cylinder is 21 centimeters. What is the radius, to the n
boyakko [2]

Answer:

12.49 = r

13 = r to the nearest cm.

Step-by-step explanation:

The formula to calculate the volume is:

V = π*r^2*h

We know that V = 10291 cm^3 and Height (h) = 21cm

V = π*r^2*h

10291 = π*r^2*21

Divide both side by 21

10291/21 = (π*r^2*21)/21

490.05 = π*r^2

Now divide both side by π

490.05/π = (π*r^2)/π

155.99 = r^2

Now square root both side

√155.99 = √(r^2) Note: square and square root cancel eachother out.

12.49 = r or,

13 = r

8 0
3 years ago
What is the answer to this subtraction sentence 207054 minus 206343?
Nuetrik [128]
207054 minus 206343 is 711
6 0
3 years ago
What is the equation of the line? Please help asap!!!! First Correct answer will get brainestttt
KiRa [710]

Answer:

Using the two marked points we see that the slope is -3 and the y-intercept is 1 so the answer is y = -3x + 1.

4 0
3 years ago
Monster Mike's truck decelerates from 72 m/s to 0 m/s in 6 seconds. What is his rate of deceleration?
mel-nik [20]

Answer:

this may be wrond but I think it is -12 m/s

Step-by-step explanation:

72/6=12

5 0
3 years ago
Danielle is making protein balls. She uses 1 1/2 cups of protein powder, 2 1/4 cups of peanut butter, and 2/3 cup of honey. Whic
sertanlavr [38]

Answer:

4 (5/12). four and five-twelfths

Step-by-step explanation:

1/2 is the same as 2/4, so: 1 1/2 = 1 2/4

1 2/4 + 2 1/4 = 3 3/4

3/4 and 2/3 have a LCM or least common multiple of 12

4 x 3 = 12 and 3 x 4 =12; but whatever you do to the bottom you have to do to the top (3/4) turns into (9/12) and (2/3) turns into (8/12)

9/12 + 8/12 = 17/12 or 1 5/12 as a mixed number

3 + 1 5/12 = 4 5/12

7 0
3 years ago
Read 2 more answers
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