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Kobotan [32]
3 years ago
9

Explain how science can help people save resources such as coal

Mathematics
2 answers:
vovikov84 [41]3 years ago
6 0
If we develop energy sources which do not use coal, using scientific research, our reliance on coal is diminished; for if we have a technology that doesn't use coal, we don't need to use coal. 
lana [24]3 years ago
5 0
They Can recycle it and reuse things so they won't waste instead of just throwing things away
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Solve;
Brrunno [24]

6446(7546/6799/)85456=gljdhsshdjkhk ghjvf 146

8 0
3 years ago
Can someone please help me? Homework is due tom
natulia [17]

Answer:

5 7/8

Step-by-step explanation:

12 3/4 = 12 6/8

1 3/8 = 1 3/8

5 1/2 = 5 4/8

1 3/8+5 4/8 = 6 7/8

12 6/8 = 11 14/8

11 14/8-6 7/8 = 5 7/8

8 0
3 years ago
I need to know how to do this one.​
Dennis_Churaev [7]

Answer:

x \approx 11.6906

I made the assumption those were right triangles.

Step-by-step explanation:

I like your 30 there.

I found the length in orange by doing 55-30=25.

Now we can try to find the length in light purple by doing orange length plus the length you found which is 25+30=55.

So we can use a trig function to find x.

I made another picture to focus our problem more.

Now if you look at the triangle we have here and refer to trig right triangle definitions, we can setup an equation form this.

The opposite side of the angle, whose measurement is 12 degrees, is x.

The adjacent side of the angle, whose measurement is 12 degrees, is 55.

So I will use the tangent ratio.

\tan(12^\circ)=\frac{\text{opposite}}{\text{adjacent}}

\tan(12^\circ)=\frac{x}{55}

Multiply both sides by 55:

55 \cdot \tan(12^\circ)=x

Now it is handy dandy calculator punching in time:

11.6906 \approx x

x \approx 11.6906

3 0
3 years ago
Absolute value x-2=12
jeyben [28]
Absolute value would be x=14
5 0
3 years ago
Read 2 more answers
Kimberly loves to ski in the winter, but her least favorite part is riding the slow ski lift to the top of the mountain. Each sk
Nuetrik [128]
60 = 5(r)

60 means total amount of mint
5 means minutes per ride
R is the amount of rides
R = 30 or 30 rides
8 0
3 years ago
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