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Nitella [24]
3 years ago
9

5) The senior classes at High School A and High School B planned separate trips to the water park.

Mathematics
1 answer:
fenix001 [56]3 years ago
8 0
Oh yeah I don’t know ‍♂️ lol oh yeah I just
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four 3 megawatt wind turbines can supply enough electricity to power 3000 homes. How many turbines would be required to power 55
fiasKO [112]

Answer:

The number of turbines is 74

Step-by-step explanation:

* Lets explain how to solve the problem

- Four 3 megawatt wind turbines can supply enough electricity

 to power 3000 homes

∴ The number of turbines is 4

∵ Each turbine give 3 megawatt

∴ The four turbines give ⇒ 4 × 3 = 12 megawatt

- This quantity give enough electricity to power 3000 homes

∴ The number of homes for the 12 megawatt is 3000

- We need to find how many turbines can cover enough electricity

  to power 55,000 homes, so we must to know the quantity of

  electricity that be enough to power 55,000 homes

* <em>Lets use the cross multiplication to solve the problem</em>

∵         megawatt    :     number of homes

                  12          :              3,000

                  ?            :            55,000

- <em>By using cross multiplication</em>

∴ ?=\frac{(55,000)(12)}{3,000}=\frac{660,000}{3000}=220

∴ The enough electricity to power 3000 homes = 220 megawatt

∵ Each turbine gives 3 megawatt

- Find the number of turbines divides the total megawatt by the the

  megawatt of one turbine

∴ The number of turbines = 220 ÷ 3 = 73.3

- If we take 73 only the electricity will not be enough to cover all

 homes, so we must to take 74 turbines

∴ The number of turbines is 74

5 0
3 years ago
an eagle leaves her nest on the side of a cliff. she soars upward 60 ft and then dives 80 ft. what is her change in elevation af
labwork [276]

Her change is -20ft.

5 0
3 years ago
Which is an algebraic expression for five more then Z?
faltersainse [42]
I believe the answer would be Z < (Z+5)
4 0
3 years ago
Read 2 more answers
Which of the following expressions is equivalent to -9?
dlinn [17]

Answer:

A and C

Step-by-step explanation:

-3*3 = -9

-1*-9 = 9

-27/3 = -9

-9/-1 = 9

6 0
3 years ago
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The sales commission is 10% at an electronic store. How much does Saul have to sell in 22 hours to earn $12.50 per hour from com
Anna71 [15]
I think it’s $1,250 in 22 hours
3 0
3 years ago
Read 2 more answers
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