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xz_007 [3.2K]
2 years ago
5

A set of mathematics exam scores are normally distributed with a mean of 80.280.280, point, 2 points and a standard deviation of

444 points. What proportion of exam scores are between 828282 and 85.685.685, point, 6 points? You may round your answer to four decimal places.
Mathematics
1 answer:
Ugo [173]2 years ago
5 0

Answer:

0.2379

lmk if im wrong :)

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Arlene is comparing the prices of two truck rental companies. Company A charges $7 per hour and an additional $30 as service cha
Valentin [98]

Answer:

Part A: 7n + 30= -5 and 8n + 40= 16

Part B: 7(8) + 30= 86 and 8(8) + 40= 104

Part C: Company A saves you 12.

Step-by-step explanation:

Company A: 7n + 30

Company B: 8n + 40

7n + 30= -5       8n + 40= 16

7(8) +30= 86     8(8) +40= 104

7(2) + 30= 44    8(2) + 40= 56

56 - 44= 12

7 0
4 years ago
Write and solve and equation to find how many movies they have time to show.
GalinKa [24]

Answer:

Equation 0.5 + 1.75(x) = 4

x = 2movies

Step-by-step explanation:

Given that,

movie night will last for 4 hours

each movie take 1.75 hours

time for eating popcorn 0.5 hours

To find,

number of movies which can be watched

<h2>Equation</h2><h2>0.5 + 1.75(x) = 4</h2><h2>Solve for x</h2><h3>1.75(x) = 4 - 0.5</h3><h3>1.75(x) = 3.5</h3><h3>x = 3.5/1.75</h3><h3>x = 2  </h3>

So, total number of movies which could be watched in 4hr = 2

<h3 /><h3 /><h3 /><h3 /><h3 /><h3 /><h3 />

7 0
3 years ago
A new roll of wrapping paper has 658 yards of paper. drew used 216 yards from the roll to wrap a gift. which equation most close
igor_vitrenko [27]
658-216=442
There should be 442 yards of wrapping paper left on the roll.
3 0
3 years ago
The measure of an angle is 84.9°. What is the measure of its complementary angle?
joja [24]
The answer will most likely be 56 degrees try that it should be the answer!
8 0
3 years ago
Please help me with this question....​
hichkok12 [17]

Answer:

Person D

Step-by-step explanation: Because when you subtract the deductions from what the people earned. Person D has the least amount of money.

7 0
3 years ago
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