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Pepsi [2]
3 years ago
9

If the population of a town grew 15% up to 76,894, what was the population last year?

Mathematics
2 answers:
wlad13 [49]3 years ago
6 0
15 over 76,894 and x over 100. You cross multiply15 with 100 which gives you 1500 and divide by the number you have left, 76,894. You get 0.0195073738. Make sure you round!
Brut [27]3 years ago
6 0

Answer:

The last year population was 66864.

Step-by-step explanation:

It is given that the population of a town grew 15% up to 76,894.

Let the last year population be x.

The population increased by 15% up to 76894.

x+\frac{15}{100}x=76894

\frac{100x+15x}{100}=76894

\frac{115x}{100}=76894

115x=7689400

x=66864.3478

x\approx 66864

Therefore, the last year population was 66864.

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Theo is painting the outside of a cylinder for a craft project. The cylinder has a radius of 2 inches and height of 8 inches. If
-Dominant- [34]

The answer is C because the radius is half of the cylinder which is 2 so the Diameter will be 4 meaning the whole cylinder and 8 times 4 is 32.

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7 0
3 years ago
What is 3(x+3)+7x= ?
dusya [7]
The answer is 6x+7x there is no answer without the value of c
3 0
3 years ago
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The number of accidents per week at a hazardous intersection varies with mean 2.2 and standard deviation 1.1. This distribution
cluponka [151]

Answer:

Step-by-step explanation:

Hello!

The definition of the Central Limi Theorem states that:

Be a population with probability function f(X;μ,δ²) from which a random sample of size n is selected. Then the distribution of the sample mean tends to the normal distribution with mean μ and variance δ²/n when the sample size tends to infinity.

As a rule, a sample of size greater than or equal to 30 is considered sufficient to apply the theorem and use the approximation.

X[bar]≈N(μ;σ²/n)

If the variable of interest is X: the number of accidents per week at a hazardous intersection.

There is no information about the distribution of this variable, but a sample of n= 52 weeks was taken, and since the sample is large enough you can approximate the distribution of the sample mean to normal. With population mean μ= 2.2 and standard deviation σ/√n= 1.1/√52= 0.15

I hope it helps!

5 0
3 years ago
A weather forecaster says the temperature will be about-5C “give or take” 10 degrees. What is the greatest possible temperature?
IRINA_888 [86]

The greatest possible temperature is 5^{\circ} \mathrm{C} and least possible temperature is -15^{\circ} \mathrm{C}

<u>Solution:</u>

Given that according to weather forecaster the temperature will be about -5 degree celsius given or take 10 degree”

Need to determine greatest possible temperature and least possible temperature.

Give and take in given statement means a temperature can go up by 10 degrees and can go down by 10 degrees

So greatest possible temperature will be -5^{\circ} \mathrm{C}+10^{\circ} \mathrm{C}=5^{\circ} \mathrm{C}

Least possible temperature will be -5^{\circ} \mathrm{C}-10^{\circ} \mathrm{C}=-15^{\circ} \mathrm{C}

Hence according to weather forecaster, greatest possible temperature = 5^{\circ} \mathrm{C} and least possible temperature = -15^{\circ} \mathrm{C}

4 0
3 years ago
16
vagabundo [1.1K]

Answer:

<h2>58°</h2>

Step-by-step explanation:

We will use the tangent function since we know the opposite and adjacent sides.

Tangent = opposite/adjacent

Tan(e) = 16/10

Tan(e) = 1.6

Use the inverse tangent function to find the angle.

Arctan (1.6) = 57.9946168

Rounding this we get: 58°

4 0
3 years ago
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