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alex41 [277]
3 years ago
6

After a power failure, the temperature in a freezer increased at an average rate of 2.5 °F per hour. The total increase was 7.5

°F. Write and solve an equation to find the number of hours until the power was restored.
Mathematics
1 answer:
makvit [3.9K]3 years ago
6 0
YOU CAN WRITE AN EQUATION OF 7.5 Divide 2.5 = any letter
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Can somebody please help???
beks73 [17]

Darnel needs to spend three days making jam if he wants to jar 15 liters.

Step-by-step explanation:

If you are to assume the relationship is proportional then if he makes 10 liters in 2 days you divide 10 by 2 and you get 5. This means he makes 5 liters a day. Then you add 5 to 10 and you get 15 which means you are adding another day(5) So he needs to work an extra day which would give you three dyas total. Hope this helped!

4 0
2 years ago
A rectangle has an area of 40 sq units , then length is 6 units greater than the width
devlian [24]

Answer:

A=L*W

Let w be width

L=(w+6)

40=(w+6)*w

40= w^{2} +6w

w^{2} +6w-40=0

w^{2}+10w-4w-40=0  

w(w+10)-4(w+10)=0

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w=4

Length= 10 units

Width=4 units

Step-by-step explanation:

6 0
2 years ago
Solve the Equation |x-8|=16
choli [55]
|x-8| = 16
⇒ x-8= 16 or x-8= -16
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⇒ x= 24 or x= -8

Final answer: x= 24 or x= -8~
4 0
3 years ago
Read 2 more answers
The selling price of an item is $600. It is marked down by 10%, but this sale price is still marked up
Lena [83]

Step-by-step explanation:

Sale price

= Marked down by 10% from selling price

= 90% of selling price

= 0.9 * $600

= $540.

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2 years ago
Solve the quadratic equation.
kondaur [170]
The answer is C. Use the quadratic formula to solve it and you should be just fine!
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3 years ago
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