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2 years ago

7

8 individually powered machines have motors that use 203 watts each. What is the total wattage used when all machines are runnin

g?

1 answer:

ahrayia [7]2 years ago

7 0

This is the answer :

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Each side of a square office is 8 yards long. It will cost $65.00 per square yard to replace the carpet in the office. What woul

Sati [7]

Answer:

520 because 65 x 8 is 520

Step-by-step explanation:

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2 years ago

The bottom of a 13-foot straight ladder is set into the ground 2.5 feet away from a wall. When the top of the ladder is leaned a

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2 years ago

The world's population has grown at an average rate of 1.9 percent per year since 1945. There were approximately 4 billion peopl

kkurt [141]

Answer: $f(t) = 4000000000( 1 .019)^t$

Step-by-step explanation:

Here, According to the question, The population of the world is 4 billion (approx).

Again According to the question, The world's population has grown at an average rate of 1.9 percent per year since 1945.

Therefore, after 1975 the growth rate will remains same.

Thus, the population of the world after t years,

$f(t) = 4000000000( 1+\frac{1.9}{100} )^t$ (By the formula $A = P(1+\frac{r}{100})^t$ )

⇒ $f(t) = 4000000000( 1.019 )^t$

Where 1.019 is the growth rate and 4 billion is the initial population.

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2 years ago

What is the solution of this equation x + 6 =24

lawyer [7]

If you are looking for x then it is X = 18

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2 years ago

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amir lent Rs. 600 to hameed for 2 years and Rs. 150 to aman for 4 year and received altogether from both Rs. 90 as simple intere

aniked [119]

Interest = Pin = principal * interest rate * number of years

Let interest rate be i, then
600*i*2+150*i*4=90
1200i+600i = 90
i=90/(1200+600)=90/1800=1/20=0.05 or 5%

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2 years ago