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Helen [10]
3 years ago
11

Convert the following quantities

Mathematics
1 answer:
Hitman42 [59]3 years ago
5 0

Answer:

a. About 6.55 days in 565,900 seconds.

b. 8.935,200 minutes in 17 years.

c. 227,040 feet in 43 miles.

d. About 74.84 kilograms in 165 pounds.

e. 91.44 meters are in 100 yards.

f. About .36 miles are in 22,647 inches.

g. About 88.44 feet are in 2678 cm.

Sorry these are all the ones I can figure out right now. Good luck on the other ones. :)

Step-by-step explanation:

I used a conversion chart to get from the first unit to the second one.

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A negative number raised to an odd power is _____ negative.
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Answer – Always
 A negative number raised to an odd power is always negative. When a negative number is raised to an even power, the pairs of negatives will cancel out; but when it is raised to an odd power, after pairs of the negative sign have canceled each other out, there will still be one minus sign left unpaired, which will not cancel out. <span>
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4 0
3 years ago
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I need help with this. Thanks <br><br><br> I need to find the degree
scoundrel [369]

Answer:

  119.05°

Step-by-step explanation:

In general, the angle is given by ...

  θ = arctan(y/x)

Here, that becomes ...

  θ = arctan(9/-5) ≈ 119.05°

_____

<em>Comment on using a calculator</em>

If you use the ATAN2( ) function of a graphing calculator or spreadsheet, it will give you the angle in the proper quadrant. If you use the arctangent function (tan⁻¹) of a typical scientific calculator, it will give you a 4th-quadrant angle when the ratio is negative. You must recognize that the desired 2nd-quadrant angle is 180° more than that.

__

It may help you to consider looking at the "reference angle." In this geometry, it is the angle between the vector v and the -x axis. The coordinates tell you the lengths of the sides of the triangle vector v forms with the -x axis and a vertical line from that axis to the tip of the vector. Then the trig ratio you're interested in is ...

  Tan = Opposite/Adjacent = |y|/|x|

This is the tangent of the reference angle, which will be ...

  θ = arctan(|y| / |x|) = arctan(9/5) ≈ 60.95°

You can see from your diagram that the angle CCW from the +x axis will be the supplement of this value, 180° -60.95° = 119.05°.

3 0
3 years ago
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She can serve 1,168 glasses of lemonade
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3 years ago
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Four more than twice a number is -10.
Vadim26 [7]

Answer:

4 + ( -7 X 2 ) = -10

Step-by-step explanation:

Check work:

-7 times 2 is -14.

4 + -14 = -10

5 0
3 years ago
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