3 years ago

The area for the dance floor is 45 square feet, and one side is 8 feet. What is the length of the other side?

1 answer:

7 0

To find the area you mulitply the height by length so if you know the area is 45=8x? What times 8 is 45? The answer is 9

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4.6 x 10^3 in standard form

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Step-by-step explanation:

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3 years ago

Use the following function rule to find f(1).<br> f(x) =4(4)4^x+1<br> f(1)=.......

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3 years ago

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A light bulb factory produces 922 light bulbs every hour. Approximately 3.34% of the light bulbs are defective, and do not work.

Nikitich [7]

Answer:

The value is $\sigma = 5.46$

Step-by-step explanation:

From the question we are told that

The number of light produced in an hour is n = 922

The proportion of the bulb that are defective is p = 0.0334

Generally given from the question that we should use binomial distribution it then means that the standard deviation is mathematically evaluated as

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=> $\sigma = \sqrt{ 922 * 0.0334 * (1-0.0334)}$

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3 years ago

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GarryVolchara [31]

Answer:

49%

Step-by-step explanation:

First find how much Alice is paying for the all three service currently.

Amount paid by Alice at present= 59 + 49 + 69 = $ 177

If she switches to 90 NOW plan, then the amount saved = 177 - 90 = $ 87

Percentage of savings = (saved amount ÷ total amount she was paying at present) * 100

$= \frac{87}{177}* 100\\\\= 49.15$

= 49 %

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