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3 years ago

Is 40 a reasonable estimate of a quotient for 78,114 ÷ 192? Explain your reasoning

Mathematics

2 answers:

mr_godi [17]3 years ago

7 0

yes but no because you would have to put a 6 at the end so it should look like this.406.84375

maxonik [38]3 years ago

6 0

40 is not a reasonable estimate for the quotient. 78,114 divided by 192 equals 406.84375, or 407. It's very underestimated for the actual quotient. More reasonable estimates would be 400, or 410. So, since it was so underestimated, it is not a reasonable estimate.

I hope all of this helps! :)

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Pls help me with one and two pls

jeyben [28]

Answer:

3ac-a+2b

a=2,b=1,c=4

Step-by-step explanation:

3*2*4-2+2*1

24-2+2=24

7 0

3 years ago

What is the measure of XY?

Sladkaya [172]

y and z are the same so the answer is 90.

7 0

3 years ago

Read 2 more answers

Construct the confidence interval for the population mean. c=. 95 x=6. 4 o=. 3 and n=42.

Damm [24]

The confidence interval is (63.909, 64.0907).

The confidence interval of a population mean is found using the formula:

CI = x ± z(σ/√n), where CI is the confidence interval, x is the mean, z is the z-score corresponding to the confidence level, σ is the standard deviation, and n is the population size.

In the question, we are given the confidence level, c = 95%.

Z-score corresponding to this, z = 1.96.

The mean of the population, x = 6.4.

The standard deviation of the population, σ = 0.3.

The population size, n = 42.

Thus, using the formula, the confidence interval is:

CI = 6.4 ± 1.96(0.3/√42),

or, CI = 6.4 ± 0.09073037.

Thus, the confidence interval is (64 - 0.09073037, 64 + 0.09073037), or, (63.909, 64.0907).

Learn more about the confidence interval at

brainly.com/question/17097944

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3 0

2 years ago

Solve for m.<br><br> -5m = -35<br> m = <br> please exsplain your answer theroly

andrew-mc [135]

Simple,

so you have...

-5m=-35

You are trying to find m, so, to isolate the variable divide both sides by -5:

$\frac{-5m}{-5} = \frac{-35}{-5}$

m=7

Now, to check your work, plug in m.

-5(7)=-35

-35=-35

Thus, you know your answer is correct.

5 0

3 years ago

Read 2 more answers

Why does it take 3 copies of 1/6 to show the same amount as 1 copy of 1/2?

antiseptic1488 [7]

You can solve this by putting the number of copies in the top part of the fraction. If you replace the one in the top part of 1/6 with 3, you get the fraction 3/6. Half of six is three and half of two is one, so both fractions are equal. You can test this be dividing the 3 in the top by 3 and the 6 in the bottom by three. Your result will be 1/2. Although there are three times ad many copies, each copy is three times as small, so it balances out.

6 0

3 years ago