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2 years ago

56 books 75% increase

Mathematics

1 answer:

Sliva [168]2 years ago

6 0

56 * .75 = 42
42+ 56 = 98
Answer is 98

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In simplified exponential notation, the expression x ³ · x -4 · x =

Ivan

X^3 * x^2 - 4 is your answer. Hope this helps!

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2 years ago

1. 6x + 2y = -12

8090 [49]

Answer:

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3 0

2 years ago

I need the answer and show work for this question

gavmur [86]

Answer:

f(3) =-12

f(-1) =-12

Step-by-step explanation:

HELLO THERE

f(3)=-2(3)^2+8(3)

f(3)=-36+24

f(3)=-12

----------------------------

f(-1) =2(-1) ^2+8(-1)

f(-1) =-4-8

f(-1) =-12

//Both equal -12//

HAVE A GREAT DAY

6 0

3 years ago

Read 2 more answers

Need help for real plsss

tangare [24]

Rachel could get 8 ounce of cheese

Step-by-step explanation:

Step 1:

Let Rachel will pay $0.36 per ounce for cheese.

In option A, for 8 oz of cheese, it is $ 2.88.

Step 2:

Here, for 8 oz of cheese

2.88/8 = 0.36 .

4 0

2 years ago

WORTH 100 POINTS

guajiro [1.7K]

Answer:

The problem does not work.

Step-by-step explanation:

The plane with speed of 31 mph will cover 640 miles in $\frac{640}{31} = 20.64$ hours.

Now, it burns 5 gallons of gas every 3 minutes i.e. 0.05 hours.

So, it will burn in 20.64 hours $\frac{5 \times 20.64}{0.05} = 2064$ gallons.

Now, the helicopter with speed of 45 mph will cover 640 miles in $\frac{640}{45} = 14.22$ hours.

Now, it burns 7 gallons of gas every 5 minutes i.e. 0.083 hours.

So, it will burn in 14.22 hours $\frac{7 \times 14.22}{0.083} = 1194.48$ gallons.

But both of them starts with only 80 gallons of fuel.

Therefore, the problem does not work. (Answer)

4 0

3 years ago