2 years ago

30 POINTS!!!!!

Mathematics

1 answer:

Whitepunk [10]2 years ago

8 0

Answer:

A third group that does not use a cell phone before bedtime

Step-by-step explanation:

Both groups have the use of a cellphone before bedtime, and the amount used would affect their time to fall asleep, but another group is needed that doesn't use a cellphone to calculate the effect of it not being used and seeing the results.

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16. An employee has to pay 15.5% in taxes. If

lilavasa [31]

Answer:

379.75

Step-by-step explanation:

15.5 x 2450

100

= 379.75

7 0

3 years ago

CAN SOMEBODY PLZZ HELP IM STUDYING FOR A MATH TEST PLLZZZ HELP!!! Thank You!

KatRina [158]

Answer:

Step-by-step explanation:

just do -4x-4=16 then 6x5=30 than add 16+30 =46

8 0

3 years ago

On Monday, a museum had 600 visitors. On Tuesday, it had 740 visitors. Estimate the percent change in the number of visitors to

prisoha [69]

15 percent I think :)))))))))))))))))(

3 0

3 years ago

8.006 minus 6.38 awnser

Nutka1998 [239]

8.006
-6.38 = 1.626

Hope this help

3 0

3 years ago

Find the surface area of the composite figure.

kakasveta [241]

Answer:

508.68 in^2

Step-by-step explanation:

The equation given: 2πr^2+2πrh

Givens: r = 3 in, h = 3*8 in = 24 in, π ≈ 3.14

Substitution: 2(3.14)3^2+2(3.14)3*24

Solution: 508.68

7 0

3 years ago