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2 years ago

How many millimeters are in 7 centimeters?

1 answer:

7 0

70 millimeters are in 7 centimeters since 10 millimeters is equal to one centimeter you would multiply 7 centimeters times 10 millimeters and get 70

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An ac unit uses 3500 watts or power. If it runs for 10 hours each day and the utility company charges $0.13 per kWh, how much do

Helga [31]

Cost = (3500 W)·(1 kw/1000 W)·(10 hrs/day)·(30 day/month)·($0.13/kw-hr)

Cost = (3500·1·10·30·0.13 / 1000)·(W·kW·hr·da·$ / W·da·month·kw·hr)

Cost = <em> 136.50 $/month</em>

5 0

2 years ago

How can this be solved?

Ad libitum [116K]

Answer:

by multiplying all numbers seperatly by each other and adding those

Step-by-step explanation:

7 0

3 years ago

A large water tank holds 210 liters of water. About how many gallons of water does the same tank hold, if there are approximatel

shusha [124]

Answer:

Step-by-step explanation:

Set up a proportion

15 Liters / 4 gallons = 210 Liters / x Cross Multiply

15x = 4 * 210 Combine the right

15x = 840 Divide by 15

x = 840 / 15

x = 56 gallons

4 0

2 years ago

I really need help with this, thank you!!!

Lyrx [107]

Answer:

6. 60°

7. 5.19559

8. 7.96011

Step-by-step explanation:

6. The sum of angles in a triangle is 180°, so the remaining angle is ...

180° -40° -80° = 60°

7. The lengths of sides are proportional to the sine of the opposite angle (Law of Sines).

a = c·sin(A)/sin(C) = 7·sin(40°)/sin(60°) ≈ 5.19559

8. Same explanation as 7.

b = c·sin(B)/sin(C) = 7·sin(80°)/sin(60°) ≈ 7.96011

3 0

2 years ago

Read 2 more answers

Hank was watching the winter Olympics and was amazed at the distance the ski jumpers were able to travel. By looking at their po

Vilka [71]

Answer:

Leaning forward with the head close to the tips of the skis allows for better aerodynamics

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2 years ago