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Sedbober [7]
3 years ago
7

900 wind turbines produce 800,500 kilowatts of energy per hour if a total of 32,725,550 kilowatts of energy is produced how much

time did this take
Mathematics
1 answer:
Brrunno [24]3 years ago
7 0

Answer:

41\ hours

Step-by-step explanation:

we know that

Using proportion

\frac{1}{800,500}\frac{hour}{kw}=\frac{x}{32,725,550}\frac{hours}{kw}\\ \\x=32,725,550/800,500\\ \\x=40.88\ hours

Round to the nearest whole number

40.88\ hours=41\ hours

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A clown bought 6 bags of round balloons with 24 balloons in each bag.The clown also bought 3 bags of long balloons with 36 ballo
Ierofanga [76]
6 bags × 24 balloons = the amount of round balloons
6× 24 = 144
3 bags × 36 balloons = the amount of long balloons
3 ×36=108

108 long balloons - 144 round balloons = number of more long balloons that round ones
108-144=-36
He has -36 more long balloons that round ones
Or 36 more round balloons that long ones
7 0
3 years ago
Dexter had 15 fish in the fish tank. 7 were goldfish and the rest were neon tetra fish. Then he added 4 neon tetra fish. How man
Evgesh-ka [11]

Answer:

answer is 12

Step-by-step explanation:

if you take 15 and subtract it by 7 that would give you the number of neon tetra fish, then you can add 4 to give you your total number which is 12 :)

7 0
3 years ago
Square A has a side length of (2x - 7) and Square B has a side length (-4x + 18). How much bigger is the perimeter of Square B t
stich3 [128]

Answer: 100 - 24x

Step-by-step explanation:

The formula for calculating the perimeter of a square is given by :

P = 4l , where l is the length of the side.

Perimeter of square A will be

P = 4 ( 2x - 7 )

P = 8x - 28

Perimeter of square B will be ;

P = 4 ( -4x + 18 )

P = - 16x + 72

Perimeter of square B - Perimeter of square A implies

-16x + 72 - ( 8x - 28 )

-16x + 72 - 8x + 28

collecting the like terms

-16x - 8x + 72 + 28

-24x + 100

⇒ 100 - 24x

3 0
3 years ago
Every member of the family gives a gift to every other member of the family. There are ten members this year. If there are just
Eva8 [605]
The statement is contradictory, because it is said that every member of the family gives a gift to every other member of the family. And from 10 members, there are just 2 exchanging. Anyway, maybe they are only 2 members exchanging the gifts at that point in time.
So, each member will exchange 9 gifts (that is 10 members total minus herself), and 2 members are exchanging gifts at that point, so 18 gifts are being exchanged.

7 0
3 years ago
A loan worth $1000 collects simple interest each year for 6 years. At the end of
Goshia [24]

Answer:

B

Step-by-step explanation:

Use a calculator and do it step by step.

8 0
2 years ago
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