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Radda [10]
3 years ago
13

I don’t understand the problem please help

Mathematics
1 answer:
balu736 [363]3 years ago
3 0

Answer:

See below

Step-by-step explanation:

So basically the product is the result of mulyplying ---> factor × factor = product. You need to replace the values given so basically

8 ×2/5(0.40) =3.2 which is between 0 and 8, making the first statement true. Hopefully, this gives you an idea on how to answer the rest!!

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PLEAS HELP What is x worth in this sentence? 12x + 25 = 73.
bagirrra123 [75]

Answer:

x=4

Step-by-step explanation:

12x-48 12*(4)

12=0

x=4=0

Add  4  to both sides of the equation

So x=4

12*4+25

48+25

73

4 0
3 years ago
Solve the inequality for 4(x+1)<-6
PIT_PIT [208]
Distribute
4x+4(less than) -6 

Subtract 4 on both side
4x(less than) -10

divide 4 both sides
x(less than)-2.5

(Final answer is bold) Good luck
7 0
3 years ago
Read 2 more answers
What is the product of 5 and 8<img src="https://tex.z-dn.net/?f=%5Csqrt%7B80%7D" id="TexFormula1" title="\sqrt{80}" alt="\sqrt{8
alina1380 [7]

Answer:

Step-by-step explanation:

√80 = √(2⁴ × 5) = √2⁴ × √5 = 4√5

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3 0
3 years ago
Hazel has 1 3\4 cups of rice. It takes 1 \8cup of rice to make one cup of chicken and rice soup. How many cups of chicken and ri
sleet_krkn [62]
Answer: 3 1/8
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7 0
3 years ago
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a previous analysis of paper boxes showed that the standard deviation of the length is 9mm. What is the 98% confidence interval
il63 [147K]
We cannot calculate the confidence interval without the sample size.  However, for the second question, the sample size needed would be 49.

The formula we use is

n=(\frac{z_{\frac{\alpha}{2}}\times \sigma}{E})^2

To find the z-score:
Convert 98% to a decimal:  0.98
Subtract from 1:  1-0.98 = 0.02
Divide by 2:  0.02/2 = 0.01
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Using a z-table (http://www.z-table.com) we see that this value is closest to a z-score of 2.33.

Using the z-score, our standard deviation (9) and our margin of error (3), we have:
n=(\frac{2.33(9)}{3})^2=(6.99)^2=48.86\approx 49
6 0
3 years ago
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