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2 years ago

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Mathematics

2 answers:

Zepler [3.9K]2 years ago

4 0

It took 12 days for all the 60 gallons of water to leak out of the barrel. If you divide 60 by 5 you will get 12.

babunello [35]2 years ago

3 0

Answer:

36 days

Step-by-step explanation:

1.)60 / 5=12

2.)12*3=36

It will take 36 days for the barrel to empty out all 60 gallons of water

Hope this answers your question

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Solve the equation. Round to the nearest thousandth. -12e-x + 8 = 7

Marysya12 [62]

Answer:

-12e-x + 8 = 7

-12e-x = 7-8

-12e-x = -1

12e-x = 1

e-x = 1/12

ln(e-x) = ln(1/12)

x = -ln(1/12)

x = -2.485

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2 years ago

Jeff had 1 A,4Bs and 2 C's what was he's gpa

Mandarinka [93]

Answer:

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Step-by-step explanation:

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2 years ago

When multiplying exponential terms with the same base, which best explains how to simplify the expression?

ololo11 [35]

Answer:

First answer: "Add the exponents"

Step-by-step explanation:

The laws of exponents include the following for product of exponents with the same base:

$x^a\,*\,x^b = x^{a+b}$

which implies addition of exponents

So you need to add exponents

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3 years ago

Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.

alexira [117]

Answer:

Option B

Step-by-step explanation:

Given quadratic equation is,

12a² + 9a + 7 = 0

By comparing this equation with standard quadratic equation,

hx² + kx + c = 0

h = 12, k = 9 and c = 7

By using quadratic formula,

a = $\frac{-k\pm\sqrt{k^2-4hc}}{2h}$

= $\frac{-9\pm\sqrt{9^2-4(12)(7)}}{2(12)}$

= $\frac{-9\pm\sqrt{81-336}}{2(12)}$

= $\frac{-9\pm\sqrt{-255}}{24}$

= $\frac{-9\pm i\sqrt{255}}{24}$

a = $\frac{-9+ i\sqrt{255}}{24},\frac{-9- i\sqrt{255}}{24}$

Therefore, Option B will be the correct option.

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2 years ago

Find all real solutions to the equation.<br> x3 + 2x2 - 6x – 12 = 0

Llana [10]

Answer:

-6x-12 /-2x^2+x^3

Step-by-step explanation:

this question was on my math test

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2 years ago