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3 years ago

Helppppppppppppppppppp

Mathematics

1 answer:

Schach [20]3 years ago

7 0

Answer:

1/8^4

Step-by-step explanation:

when divinding exponents with the same base, subtract the power. you get 8^-4. since the problem specifies no negative exponents you need to simplify. this give you 1/8^4

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A father is now twice as old as his son. If the sum of their ages ten years ago was fifty two, how old are they today?

Oliga [24]

Answer:

24 and 48

Today, the son is 24 years old, and the father is 48 years old.

Step-by-step explanation:

(x - 10) + (2x - 10) = 52

3x + 20 = 52

3x = 72

x = 24

The father is 2 times his son's age.

= 2(24)

= 48

So, the son is 24 and the father is 48.

10 years ago, son was 14 and father was 38, if added, this adds up to 52, so we know our calculations are correct.

3 0

3 years ago

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what is the volume measured in cubic centimeters, of the box below? do not include units in your answer

Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

V = lwh

V= 4x3x5

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3 years ago

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Determine whether the improper integral converges or diverges, and find the value of each that converges.

Brrunno [24]

Answer:

Converges at -1

Step-by-step explanation:

The integral converges if the limit exists, if the limit does not exist or if the limit is infinity it diverges.

We will make use of integral by parts to determine:

let:

$u=x$ $dv=e^(2x)\cdot{dx}$

$du=dx$ $v=2\cdot{e^(2x)}$

$\int\limits^a_b {u} \, dv = uv -\int\limits^a_b {v} \, du$

$\int\limits^a_b {x\cdot{e^2^x} \, dx =2xe^2^x- \int\limits^a_b {2e^2^x} \, dx$

$\int\limits^a_b {xe^2^x} \, dx = 2xe^2^x-2e^2^x-C$

We can therefore determine that if x tends to 0 the limit is -1

$\lim_{x \to \0} 2xe^2^x-2e^2^x=0-1=-1$

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3 years ago

What is the value of 7 in:<br> a. 3.7<br> b. 12.07<br> c. 200.711

masya89 [10]

A. seven tents b. seven hundredths c. seven tents

6 0

3 years ago

1. You make a compound word, such as houseboat, by joining two words together. Why do you think -4 < x < 7 is called a com

sattari [20]

Answer:

because it has two parts

Step-by-step explanation:

thats what the first one is

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3 years ago