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Shtirlitz [24]
2 years ago
6

Please help me 7th math

Mathematics
1 answer:
alekssr [168]2 years ago
4 0

Answer:

1/12

Step-by-step explanation:

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The table shows the relationship between Megan’s earnings and the hours that she worked.
soldier1979 [14.2K]

Answer:

C.76

Step-by-step explanation:

2x= 19

x= 9.5

8x =?

8(9.5)= ?

76= ?

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2 years ago
Solve the literal equation for y a=9y-3yx
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a=9y-3yx\\\\a=y\big(9-3x\big)\quad|:\big(9-3x\big)\\\\\\\boxed{y=\frac{a}{9-3x}}\qquad \text{for}\quad x\neq 3
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3 years ago
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. A colony of bacteria triples every hour. If
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Answer:

a)60, b)14580, c)20*3^n

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3 years ago
What is 12-(-3)-2(4)
Ad libitum [116K]

Answer:

7

Step-by-step explanation:

12-(-3)-2(4)

12-(-3)-8

15-8=7

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2 years ago
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There are approximately 113 million TVs in the United States. Each uses, on average, 76 W of power and is turned on for 6.3 hour
ioda

Answer:

76 W *\frac{1kW}{1000 W}= 0.076 kW

0.076 kW * 6.3 \frac{hours}{day}= 0.4788 \frac{kWh}{day}

113x10^6 people * \frac{0.4788 kWh}{people}= 54104400 kWh

And finally we can convert this into money like this:

54104400 kWh *\frac{0.089 dollars}{1 kWh}= 4815291.6

So they spent every day approximately in total $ 4815291.6 dollars

Step-by-step explanation:

For this case we can convert the average power into Kw like this:

76 W *\frac{1kW}{1000 W}= 0.076 kW

Now on average we know that one person use on average this power over 6.3 hours per day so then we have the following consumption rate:

0.076 kW * 6.3 \frac{hours}{day}= 0.4788 \frac{kWh}{day}

And now we know the total population so then the total consumption per day would be:

113x10^6 people * \frac{0.4788 kWh}{people}= 54104400 kWh

And finally we can convert this into money like this:

54104400 kWh *\frac{0.089 dollars}{1 kWh}= 4815291.6

So they spent every day approximately in total $ 4815291.6 dollars

6 0
2 years ago
Read 2 more answers
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