3 years ago

If the diameter of a sphere is 4 ft, then what is its surface area? Leave your answers in terms of π

Mathematics

2 answers:

Lerok [7]3 years ago

8 0

The diameter is = (4/3)(pi)(d/2)(d/2) = (4/3)(pi)(16) = pi*64/3

torisob [31]3 years ago

6 0

Answer:

Step-by-step explanation:

π= 180

You might be interested in

The ratio of corresponding sides of the first triangle to the second triangle below is

Cloud [144]

Answer:

Step-by-step explanation:

8 0

3 years ago

A person owns two shops. this year the telephone bill for the first job was $640 less than four times a telephone bill for the s

KIM [24]

Answer: F=bill for first shop=4S-$630; S=bill for second shop

F+S=$3265 Substitute for F

4S-$630+S=$3265

5S=$3895

S=$779 ANSWER 1: The bill for the second shop was $779

F=4S-$630

F=4($779)-$630

F=$3116-$630=$2486 ANSWER 2: The bill for the first shop was $2486.

CHECK:

F+S=$3265

$2486+$779=$3265

$3265=$3265

explanation:

5 0

4 years ago

Mike walks ½ mile in 30 minutes. What is his unit rate in miles per hour

Mars2501 [29]

Answer:

1 mile per hour

Step-by-step explanation:

you just double it

6 0

3 years ago

Read 2 more answers

I need help on this one. Thanks.

murzikaleks [220]

I think it would have to be an irrational number.

4 0

3 years ago

Find the value of x to the nearest tenth will mark brainliest

Orlov [11]

Answer:

B. 5.4

Step-by-step explanation:

3/5 = 6/10

6/10 = 0.6

9 x 0.6 = 5.4

7 0

3 years ago