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dmitriy555 [2]
3 years ago
9

Megan slept for 7.5 hours. What is this in hours and minutes?

Mathematics
2 answers:
alexira [117]3 years ago
8 0
.5 means half so in an hour there is 60 mins. And 60 mins divided by 2 is 30 mins .
So 7 hours and 30 minutes

exis [7]3 years ago
7 0

Answer:

7 hours and 50 minutes

7.5 is equal to 7 hours and 50 minutes

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Help !!!!!! Answer please 10 points!!!
myrzilka [38]

The cost of beverages equals to the number of bottles times the price of one bottle.

Formula:   C=1.25n,

where C is a cost of beverages, n is a number of bottles.

7 0
3 years ago
If Alberto's school is 3 miles due south of his house and 4 miles due west of Jimmy's house, what is the straight line distance
Hoochie [10]

using the Pythagorean Thereom:

3^2 +4^2 = X^2

9 +16 = 25

x^2 = 25

X = sqrt (25)

x = 5

 it would be 5 miles

5 0
3 years ago
Read 2 more answers
Given that lines a and b are parallel and that m<4=128, find m<7
aliya0001 [1]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Find the equation of a line that is perpendicular to the line y=(1/3)x+4 and contains the point (-9,0)?
torisob [31]

Answer:

y = -3x - 27

Step-by-step explanation:

0 = -3[-9] + b

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* Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE <em>RATE</em><em> </em><em>OF</em><em> </em><em>CHANGES</em><em> </em>[<em>SLOPES</em>]:

⅓ → -3

I am joyous to assist you anytime.

7 0
3 years ago
What percentage of the data falls outside 1 standard deviation of the mean?
Alik [6]

We all know about the bell curve i.e. normal distribution curve. It is centered about the mean and spread equally on each side.

We describe the area of the curve with the help of standard deviations.

With in 1 standard deviation about the mean i.e. from -1 s.d. (left of mean) to +1 s.d. (right of mean), it covers 68% of the total area of curve.

So, the data that falls outside 1 standard deviation of the mean would be equal to (100% - 68%) i.e. 32%.

So, 32% is the final answer.

3 0
3 years ago
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