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leonid [27]
3 years ago
15

Josie measured the diameter of the base of her

Mathematics
1 answer:
ra1l [238]3 years ago
7 0

Answer:

6cm

Step-by-step explanation:

The radius is half of the diameter. Being 12 inches, the radius will be 6 inches.

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A 10 foot tree create a shadow that is 15 feet long. Find the angle of elevation of the sun
Solnce55 [7]

Answer:

The angle of elevation of the sun is 33.7⁰

Step-by-step explanation:

let the height of the tree, T = 10 foot

length of the shadow created by the tree, B = 15 feet long

Height of the tree and the shadow of the tree forms a right angle triangle with the remaining side that joins the two which is known as hypotenuse.

Let the remaining side, hypotenuse, L = ?

Apply Pythagoras theorem;

L ² = T² + B²

L ² = 10² + 15²

L ² = 325

L = √325

L = 18.03 ft

The angle of elevation of the sun, is the angle facing the height of the tree with the length of the shadow of the tree as adjacent of the triangle.

Let the angle of elevation = θ

tan θ = opp / adj

tan θ  = 10 / 15

tan θ  = 0.66667

θ = tan ⁻¹ (0.66667)

θ = 33.7⁰

Therefore, the angle of elevation of the sun is 33.7⁰

5 0
4 years ago
Find the volume of the cylinder please help show work
Alinara [238K]
3.
v  = \pi {r}^{2} h
the volume equation for cylinder
v = \pi {6}^{2} (12) \\ v = \pi36(12) \\ v = 432\pi \\ v = 1357.16
5. diameter =half of radius
v = \pi { 27.2}^{2} (15) \\ v = \pi295.24(15) \\ v = 4437.6\pi \\ v = 13941.13
4 0
4 years ago
Blake has 2 hours between when he gets home from school and when he had to eat dinner. He spends one-fourth of this time doing h
NARA [144]

Answer:

150 minutes or 2 hours and 30 minutes

Step-by-step explanation:

One-fourth of 2 hours is 30 minutes. Multiply that number by 5 and you get 150 minutes or 2 hours and 30 minutes.

8 0
3 years ago
Read 2 more answers
Carrie's friend lives two miles from her house. If it took her 18 % minutes to run to heltriend's
agasfer [191]

Answer: 1.75hours or 1.45

Step-by-step explanation:

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3 years ago
Match each graph below with the correct solution or correct number of solutions to the system of equations. (0,-5) (-1,2) no rea
garik1379 [7]

1. infinitely many solutions

2. (-1,2)

3. No real solutions

<h3><u>Please mark brainly if I'm correct.</u></h3>

3 0
3 years ago
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