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Tasya [4]
3 years ago
15

The amount of Jen’s monthly phone bill is normally distributed with a mean of $75 and a standard deviation of $8. What percentag

e of her phone bills are between $51 and $99?
A. 99.7%
B. 95%
C. 99.99%
D. 68%
Mathematics
1 answer:
nikklg [1K]3 years ago
8 0
Answer:a is the answer
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Solve for x.<br><br> x = 5°<br> x = 18°<br> x = 30°<br> x = 36°
sergij07 [2.7K]

Answer:

x=36

Step-by-step explanation:

The 2 angles, ∠EAF and ∠FAB are on a straight line. This means they are supplementary, and add to 180 degrees.

So,

∠EAF  +∠FAB =180

We know that ∠EAF is 3x and ∠FAB is 2x, so we can substitute them in

3x+2x=180

Combine like terms

5x=180

Divide by 5 on both sides

x=36

So, x=36 degrees, or the last choice

3 0
3 years ago
A fair six sided die is rolled 1800 times, what is the theoretical probability that a 5 is rolled?
d1i1m1o1n [39]

Answer:

360 percent. 360 percent probability i think

4 0
3 years ago
WILL GIVE YOU BRAINIEST IF YOU ANWER THIS RIGHT NOW!!
Fittoniya [83]

Answer:

Your answer is 8

Step-by-step explanation:

You want to look at the measurements and then turn them into fractions, 12/x=24/16. You cross multiply and then divide by 24x. More work below

3 0
3 years ago
What’s the absolute value of -136
yulyashka [42]

Answer:

136

Step-by-step explanation:

The absolute value function always returns a positive value , that is

| - a | = | a | = a

Then

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2 years ago
There are about 16 kilometers in 10 miles .about how many kilometers are in 5 miles​
Darya [45]

16 km ......... 10 miles

x km ............5 miles

x = 5×16/10 = 80/10 = 8 km

5 0
3 years ago
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