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3 years ago

Hey! I need help with this, 10 points for you if you help,thanks!

Mathematics

2 answers:

Aneli [31]3 years ago

3 0

So you can do 12 divided by 60 then get your answer

postnew [5]3 years ago

3 0

Answer:

ok so she brought 5 boxes to the party because each box conatins 12cookies and 60 / 12 = 5+2boxes that she didnt bring so in all 7 boxes

Step-by-step explanation:

the equation is 60=12x+24

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3 years ago

If a car travels 792 feet in 12 seconds what is the speed of the car in miles per hour?

UkoKoshka [18]

Answer:

Step-by-step explanation:

1 mile contains 5280 feet

x mile contains 792 feet Cross Multiply

5280 x = 792 Divide by 5280

x = 792 / 5280

x = 0.15 miles

1 hour = 3600 seconds

Distance travelled in 12 sec = 0.15 miles

3600 sec = x Cross Multiply

12x = 3600 * 0.15 Combine

12x = 540 Divide both sides by 12

12x/12 = 540/12

x = 45 miles / hour

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3 years ago

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Use long or synthetic division to find the following quotients (x^3+2x^2!22x-45)÷(x+5)

svetoff [14.1K]

Answer:

$\boxed{\textsf{ The quotient is $\sf x^2-3x-7$ and the remainder is (-10).}}$

Step-by-step explanation:

Here we will be using long division method to find the quotient . Here we need to divide (x³+2x²-22x-45) and (x+5) . So lets divide .

x+5) x³+2x²-22x-45 ( x² -3x -7

x³ + 5x²

- -

______________

- 3x²-22x -45

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+ +

______________

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______________

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Quotient = x² -3x -7

Remainder = (-10)

<h3>★Hence the quotient is x² -3x -7 and the remainder is (-10) .</h3>

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