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stealth61 [152]

3 years ago

6

There are 332,054 people in the city.Of these, 168,278 are under the age of eighteen.Draw a bar diagram and find how many people

are eighteen or older

1 answer:

iragen [17]3 years ago

6 0

Nobody here can draw anything.

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The price of an item yesterday was $120 . Today, the price fell to $54 . Find the percentage decrease.

Nesterboy [21]

Answer:

magnitude of decrease = 120 - 54 = 66$

the percentage = (66/100)×100 = 66%

8 0

3 years ago

What is 12,430,000 in expanded form?

Nady [450]

10,000,000+2,000,000+400,000+30,000

3 0

3 years ago

I need help! Really bad a math.

ankoles [38]

$\\ \sf\longmapsto h(-18)$

$\\ \sf\longmapsto 15+\dfrac{-18}{6}$

$\\ \sf\longmapsto 15+(-3)$

$\\ \sf\longmapsto 15-3$

$\\ \sf\longmapsto 12$

5 0

3 years ago

Read 2 more answers

Bailey's rectangular dog pen for his Irish Setter must have an area of 400 square feet. Also, the length must be 20 feet longer

Iteru [2.4K]

Hello.

400=(x+20)x is the equation or 400=x^2+20x

<span>(x+10)=square root of 500
</span>

<span>so x+10=10 radical 5
</span>

<span>final answer -10 + or - 10 radical 5=x
</span>

Have a nice day

8 0

3 years ago

Sixty-eight percent of adults in a certain country believe that life on other planets is plausible. You randomly select five adu

Pavlova-9 [17]

Answer:

Mean = 3.4

Variance = 1.088

Standard deviation = 1.0431

Step-by-step explanation:

$P=0.68\\ \\N=5$

The mean of a binomial distribution with parameters N (the number of trials) and p (the probability of success for each trial) is $m=N\cdot p$

Thus,

$m=5\cdot 0.68=3.4$

The variance of the binomial distribution is $s^2=Np(1-p)$ , where $s^2$ is the variance of the binomial distribution, so

$s^2=5\cdot 0.68\cdot (1-0.68)=3.4\cdot 0.32=1.088$

The standard deviation $s$ is the square root of the variance $s^2,$ so

$s=\sqrt{1.088}\approx 1.0431$

3 0

2 years ago