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otez555 [7]
3 years ago
13

Solve the formula d = rt for t when d = 280 and r = 40

Mathematics
1 answer:
iragen [17]3 years ago
4 0

Answer:

7

Step-by-step explanation:

280=40t/40

t=7

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What is the value of 6 in 70,681? Explain how you know.
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Answer:

it's 100

Step-by-step explanation:

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6 0
1 year ago
Lana makes $8 an hour plus $12 an hour for every hour of overtime. Overtime hours are any hours more than 40 hours for the week.
Ierofanga [76]

Answer:

A:  W = 8x

B:  12y + 320

C:  44

Step-by-step explanation:

A:  Lana can make $8 an hour.

W = 8x

B:  She makes $12 per hour for every hour of overtime.  This means that she already worked 40 hours with regular pay.  She has already made $320.

40 × $8 = $320

S = 12y + 320

C:  Plug in the amount Lana earned into the second equation.  The second equation will account for pay from both regular and overtime hours.

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368 = 12y + 320

368 - 320 = (12y + 320) - 320

48 = 12y

48/12 = (12y)/12

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y = 4

Lana worked 4 hours of overtime and 40 hours of regular hours.  In total, she worked 44 hours.

4 + 40 = 44

4 0
3 years ago
Read 2 more answers
I'm doing math homework and the boy next to me asked what the mean to there numbers is, 22, 26, 28, 30, 39, 44, 62, and 63 what
AfilCa [17]
22+26+28+30+39+44+62+63= 314 Divide the answer by the amount of numbers =39.25
8 0
3 years ago
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Converting a fraction to decimal
r-ruslan [8.4K]

Answer:

All of them? Pls reply if so!

Step-by-step explanation:

To convert a fraction to a decimal just the divide the bottom into the top.

To convert a decimal into a fraction just put the decimal over 1 or divide the decimal by preference of tenths, hundredths, or thousandth place.



7 0
3 years ago
Round decimal to the nearest one . Then add 7.91+21.9=
Arte-miy333 [17]
7.91 = 8 21.9 = 22

8 + 22 = 30
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3 years ago
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