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2 years ago

4=32b solve for b WILL GIVE BRAINLIEST

Mathematics

1 answer:

Makovka662 [10]2 years ago

5 0

Answer:

1/8

Step-by-step explanation:

$32b \div 32 = 4 \div 32 \\$

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If I told you that Mexico's population was 100,000,000 and that their population growth rate was 3.5%, then what would their pop

Stels [109]

Answer:

The population one year from now would be 103,500,000

Step-by-step explanation:

The current population is 100,000,000

Growth rate of 3.5%.

So the population one year from now is 3.5% of the current population(100,000,000) added to the current population(100,000,000).

3.5% of 100,000,000 is 0.035*100,000,000 = 3,500,000.

Added to 100,000,000

100,000,000 + 3,500,000 = 103,500,000

The population one year from now would be 103,500,000

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3 years ago

The director of the library calculates that 29% of the library's collection is checked out. If the director is right, what is th

marusya05 [52]

Answer:

The probability that the proportion of books checked out in a sample of 412 books would differ from the population proportion by less than 4% is P=0.9255.

Step-by-step explanation:

The population's proportion is $\pi=0.29$

If we take a sample of 412 books (n=412), we have a standard deviation of the sampling distribution of:

$\sigma_M=\sqrt{\frac{\pi(1-\pi)}{n}}=\sqrt{\frac{0.29*0.71}{412}}=\sqrt{0.0005} =0.0224$

We have to calculate the probabilty that the sample proportion will be between 0.25 and 0.33.

$z_1=(0.25-0.29)/0.0224=-0.04/0.0224=-1.7857\\\\z_2=1.7857\\\\\\P(0.25$

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3 years ago

What is the slope of the line that passes through (9,3) and (2,1)

Aneli [31]

Answer:

2/7

Step-by-step explanation:

$slope = \frac{1 - 3}{2 - 9} \\ = \frac{ - 2}{ - 7} \\ = \frac{2}{7}$

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2 years ago

Need help math equations work shown

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Answer:

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Step-by-step explanation:

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3 years ago

Which number is the greatest?<br> O 5.1 x 10^6<br> O 6.55 X 10^5<br> O 4.75 X 10^6<br> O 9 X 10^5

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2 years ago