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kvasek [131]
4 years ago
5

A = 4r 2. A sphere has a radius of 4 inches. Area (to the nearest tenth) =

Mathematics
1 answer:
FinnZ [79.3K]4 years ago
3 0
Area of sphere is given by:
A=4πr²
radius of our sphere is 4 inches, thus plugging the value in the formula we get
A=4×π×4²
A=201.06
simplifying 
A=201.1in²
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Dylan lives about 27 miles from the mall. If he can drive at an average rate of 36 miles per hour through town, about how long d
Vlad [161]

Answer:

45 minutes

Step-by-step explanation:

distance / rate = time

27 miles / 36 miles/hr = .75  hr    ( 45 minutes )  

6 0
2 years ago
Write a third degree polynomial function that has real zeros -1, -2 and 4
ra1l [238]

Answer:

f(x) = x^{3}  - x^{2}  -  10x  -8

Step-by-step explanation:

All you have to do is multiply (x + 1)(x + 2)(x - 4)

You should get x^{3}  - x^{2}  -  10x  -8

So,  f(x) = x^{3}  - x^{2}  -  10x  -8

8 0
3 years ago
If I flip a coin 56 times how many times will it land on heads I’d the probability is 1/2 or 50 present
aliya0001 [1]

Answer:

28

Step-by-step explanation:

So its a 50/50 chance for the coin to land on heads or tails, so we would divide 56 by 2

56/2 = 28

8 0
4 years ago
-77.35 in a fraction
nikitadnepr [17]
-77 and 7/20 is the answer simplified and without it being simplified you get -77 and 35/100
8 0
3 years ago
For the equation y= x + 5, find the value of y when
Nina [5.8K]

Answer:

a) 3 b) 5 c) 7 d) 9

Step-by-step explanation:

For this, you want to replace x in the equation y=x+5 with each of the values listed.

For the first one, -2, the equation becomes y=-2+5, which is solved to y=3.

For the second one, 0, the equation becomes y=0+5, which is solved to y=5.

For the third one, 2, the equation becomes y=2+5, which is solved to y=7.

For the last one, 4, the equation becomes y=4+5, which is solved to y=9.

**This content involves solving algebraic equations with a known variable, which you may wish to revise. I'm always happy to help!

5 0
3 years ago
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