Ask question

Ask question

All categories

Free_Kalibri [48]

2 years ago

5

Help me answer question 8a and b, and I’ll give u 10 points lol

1 answer:

iren [92.7K]2 years ago

3 0

Answer:

Step-by-step explanation:

Find h when v = 20 and r = 3

Putting values in the formula

20 = (3.14)(3)2h

20 = (3.14)(9)h

20 = 28.26h

20/28.26 = h

R when v = 100 and h = 5

100 = (3.14)r2(5)

100/5 = 3.14r2

20 = 3.14r2

20/3.14 = r2

6.36 = r2

Square root on both sides

2.52 = r

You might be interested in

Line l is a perpendicular bisector of line segment A C. It intersects line segment A C at point B. Line l also contains points D

N76 [4]

Answer:

First one is DC

Second one is AB.

Step-by-step explanation:

Just did them on edge.

3 0

3 years ago

Read 3 more answers

3<br> Select the correct answer.<br> What are the solutions to this equation?<br> 16x² + 9 = 25

Charra [1.4K]

Answer:

Step-by-step explanation:

16x^2 + 9 = 25

16x^2 = 16

x^2 = 1

x = 1, -1

4 0

3 years ago

ASAP please help me

Marizza181 [45]

Answer:

dont really know buy im thinking its A.

Step-by-step explanation:

hope this helps somewhat

7 0

3 years ago

If x = 2 and y = 14 , evaluate the following expression: x y Give your answer as a fraction in its simplest form.

LiRa [457]

Answer:

1/7

Step-by-step explanation:

x/y

Plug in the values.

(2)/(14)

Simplify.

1/7

5 0

3 years ago

Read 2 more answers

Please help me answer this question

fredd [130]

Answer:

2t + 16

Step-by-step explanation:

1. 0 seconds and 16 feet.

$2(0) + 16$
$0 + 16$

$16$

2. 1 second and 18 feet.

$2(1) + 16$
$2 + 16$
$18$

3. 2 seconds and 20 feet.

$2(2) + 16$
$4 + 16$
$20$

4. 3 seconds and 22 feet.

$2(3) + 16$
$6 + 16$
$22$

5. 6 seconds and 28 feet.

$2(6) + 16$
$12 + 16$
$28$

Therefore, the answer is 2t + 16.

4 0

2 years ago