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Svetlanka [38]
4 years ago
14

What is the value of (5i^3)^3

Mathematics
1 answer:
adelina 88 [10]4 years ago
3 0

Answer: =125i

Step-By-Step

(5i^3)^3

=125i

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A skateboarding ramp is 13in. high and rises at an angle of 13°. How long is the base of the ramp? Round to the nearest inch.
charle [14.2K]
<h3>Answer:  Approximately 56 inches</h3>

===========================================================

Explanation:

The diagram is shown below. We know the vertical part of the triangle is 13 inches, which is the side opposite the reference angle 13 degrees. The adjacent side is unknown. We'll call it x. This is how long the base of the ramp is, which is the horizontal distance along the entire ramp. This distance is on the ground. The ramp itself is the hypotenuse but it seems like your teacher isn't wanting to know this value. So we'll ignore the hypotenuse.

We'll use the tangent rule to connect the opposite and adjacent sides.

tan(angle) = opposite/adjacent

tan(13) = 13/x

x*tan(13) = 13

x = 13/tan(13)

x = 56.309186365694

x = 56 inches is the approximate horizontal distance underneath the ramp

5 0
3 years ago
30 POINTS PLS HELP!!!!!!!!!!!!!!!!!!
Ludmilka [50]

Answer:

c

Step-by-step explanation:

c remember vitamin c is helpful to you

6 0
2 years ago
Read 2 more answers
Which number from the set (0,2,4,6) makes it true<br><br> 7x - 3 + 4x =19<br> PLsss I NEED IT NOW
Ira Lisetskai [31]
Just put these values in the place of x and solve!
The answer is 2 btw
7 0
3 years ago
if a bridge is 1,053 feet above the Arkansas river, about how long will it take before the stone hits the water?
Masja [62]
Assuming air resistance is negligible and a constant gravitational field.

h(t)=1053-16t^2  So the stone will hit the water when h(t)=0 so

1053-16t^2=0

16t^2=1053

t^2=65.8125, since t>0

t≈8.1 seconds  (to nearest tenth of a second)


4 0
3 years ago
“Write an equation and solve for the unknown” I know it’s a lot but can someone help me with this
Svetradugi [14.3K]

Answer:

g) x = 30

h) x = 30

i) m = 55

j) x = 24

k) k = 45

Step-by-step explanation:

G)

all angles of a triangle add up to 180.

the square in the bottom right of the triangle is 90 btw

2x + x + 90 = 180

3x + 90 = 180

3x + 90 - 90 = 180 - 90

3x = 180 - 90

3x = 90

3x/3 = 90/3

x = 30

H)

this is an Isosceles triangle.

that means the bottom two angles are equal.

75 + 75 + x = 180

x + 150 = 180

x + 150 - 150 = 180 - 150

x = 180 - 150

x = 30

I)

2m is supplementary to the bottom right angle of the triangle.

that means they add together to make 180.

80 + 30 + (180 - 2m) = 180

110 - 2m = 180 - 180

110 - 2m = 0

110 = 2m

110/2 = m

55 = m

J)

to save time I'm not going to write out the steps, its the same as the i.

2x + 3x + (180 - 120 ) = 180

5x + 60 = 180

5x = 180 - 60

5x = 120

x = 120/5

x = 24

K)

imagine this as a triangle and a square.

sorry I'm not sure how to explain this -.-

but the equation would be

k + k + 90 = 180

2k + 90 = 180

2k = 180 - 90

2k = 90

k = 45

L)

Im not sure how to solve this, I'm sorry :( hope you figure it out!

5 0
4 years ago
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