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dlinn [17]
3 years ago
9

What are these please help me

Mathematics
1 answer:
tia_tia [17]3 years ago
7 0

You just need to move the decimal to the right however many times there is a zero in the number. For example, for number 35, you would move it to the right once to get 0.9 because there is one zero in the 10. Does this make sense?



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A high- speed elevator can rise 500 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevato
maria [59]
The expression is r = 500 • 2, where “r” represents the rate.
5 0
3 years ago
Photo Provided... 25+ Points Provided...
viktelen [127]

Answer:

1) 2 units right

2) 2 units up

3) 2 units left

4) 2 units down

7 0
3 years ago
A survey was conducted to determine the amount of time, on average, during a given week SCAD students spend outside of class on
fiasKO [112]

Answer:

Standard Deviation = 5.928

Step-by-step explanation:

a) Data:

Days  Hours spent  (Mean - Hour)²

1              5                61.356

2             7                34.024

3            11                  3.360

4           14                   1.362

5           18               26.698

6          22               84.034

6 days 77 hours,    210.834

mean

77/6 = 12.833    and 210.83/6 =  35.139

Therefore, the square root of 35.139 = 5.928

b) The standard deviation of 5.928 shows how the hours students spend outside of class on class work varies from the mean of the total hours they spend outside of class on class work.

5 0
3 years ago
The boss gives all his employees a 4% pay rise.
PtichkaEL [24]
Paul's rate before the pay rise = 7.0

The increase = 4/100 * 7.0 = 0.28

Paul's rate after the pay rise = 7.0 + .28 = 7.28
5 0
3 years ago
Read 2 more answers
1. Solve for x.<br> 55°<br> (3r + 23)<br> 75°
Mnenie [13.5K]

Answer:

The value of x is 9.

Step-by-step explanation:

55°

(3 x + 23)

75°

The sum of all the angles of triangle is 180°.

55 + 3 x + 23 + 75 = 180

3 x = 27

x = 9

So, the value of x is 9.

5 0
3 years ago
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