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labwork [276]
2 years ago
7

PLEASE I AM IN DESPERATE NEED OF HELP

Mathematics
1 answer:
erastova [34]2 years ago
8 0

Answer:

C:   H <u>> </u> 60

Step-by-step explanation:

H is 60 in or taller, underlined indicates that it's also 60 in, not just above it.

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\frac{ x^{2}-25 }{ x^{2}-3x-10 }
\frac{(x+5)(x-5)}{(x-5)(x+2)}
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3 years ago
Plz help with the math worth 21 points
irinina [24]

Answer:

As there is one math problem over there.

Lets see the question first:

It says that "A hair dryer is rated 1200\ W,if you use the dryer for 0.25\ h.How much electric energy do you use ?"

Final answer = Electic energy =0.3\ kW\ h

Step-by-step explanation:

Electrical Energy E=Power \times time.

The total amount of electrical energy used depends on the total power used by the electrical device and the total time they are used for.

So we have been given the power of the hair dryer =1200\ W =\frac{1200}{1000}=1.2\ kW

Now the time it has been use for =0.25\ hrs

To calculate electric energy we will multiply both the terms.

Electric energy =0.12 \times 0.25 =0.3\ kW\ h

So electric energy used for the hairdryer is =0.3\ kW\ h

7 0
3 years ago
Please help RIGHT NOW PLEASE HELP NOW
Nikolay [14]

1. it describes what the cost would be for two medium lattes and one small latte all together.

2. it would be the first one which is 2x + y = 7.15

Step-by-step explanation:

5 0
2 years ago
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