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cluponka [151]
3 years ago
15

Please help me out with this

Mathematics
1 answer:
Firdavs [7]3 years ago
6 0

To convert minutes in hours, you have to divide by 60.

We can distribute this division in a smart way: since 60=6\times 10, we have

\dfrac{19.2\times 10^8}{6\times 10} = \dfrac{19.2}{6} \cdot \dfrac{10^8}{10} = 3.2 \cdot 10^7

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A line has a slope of -13. There is a second line that passes through points (-7,-5) and (6,-4) . Would these lines be parallel
Elza [17]
<h3>Answer: The lines are perpendicular</h3>

=================================================

Work Shown:

Use the slope formula to find the slope of the line through the two given points.

m = (y2 - y1)/(x2 - x1)

m = (-4 - (-5))/(6 - (-7))

m = (-4 + 5)/(6 + 7)

m = 1/13

The slope of the line through the two given points is 1/13.

This is not equal to -13, which was the slope of the first line, so the two lines are not parallel.

However, the two lines are perpendicular because multiplying the two slope values leads to -1

(slope1)*(slope2) = (-13)*(1/13) = -1

note: It might help to think of -13 as -13/1 to help multiply the fractions.

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3 years ago
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morpeh [17]
The answer is 4.5 × 10 -8
4 0
3 years ago
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What expression is equivalent to 7 3/2 ?
mixer [17]

Answer:

17/2

Step-by-step explanation:\

7 3/2 is equal to 17/2 because 2 x 7 is 14 and 14+3 is 17 and you keep the dem so its 17/2 and you cant simplify so it just becomes 7 3/2. i hope this helped.

8 0
2 years ago
The perimeter of a square is 12x - 8. Which of the following is the length of
Andrei [34K]

Answer:

3x-2

Step-by-step explanation:

12x-8/4 = 3x-2 is one side length of a square

3 0
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ILL GIVE THE BRAINLIEST pls help me with this question EVERYTHING IS IN THE PICTURE PLS HELP DUE TODAY ​​IF YOU PUT A WRONG ANSW
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Answer:

60 yd

Step-by-step explanation:

Volume is length x width x height. Therefore in this case, we do 4x3x5 which turns out to be 60. Also don't forget to add yd after your answer because this is measured in yards.

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