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horsena [70]
3 years ago
14

The value of y varies directly with the value of x. When y = 24, x = 4. What is the value of x when y = 48?

Mathematics
1 answer:
Bogdan [553]3 years ago
3 0

Answer:

24/6=4

48/6= 8

so x=8

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
Consider the line y=9x-8
jasenka [17]

Answer:

y=9x+75

Step-by-step explanation:

since we know that the slope must be the same for two lines to be proportional, we are gonna start there.

so our equation is: y= 9x + b

we need to find b to complete our equation, so substitute in the points we were given.

3 = 9(-8) + b

so now,

3 = -72 + b

now we have to isolate b to find out what it is,

3  =  -72 + b

+72   +72

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7 0
3 years ago
Find the measures of the numbered angles in the kite.
Dafna11 [192]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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}

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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
3 years ago
Read 2 more answers
7<br> x<br> +<br> 12<br> =<br> 2<br> (<br> 4<br> x<br> −<br> 5<br> )
lorasvet [3.4K]

Answer:

-156?

Step-by-step explanation:

4 0
2 years ago
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