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3 years ago

What is the slope of this line? A. -3B. -3/4C. 4D. 3/4

Mathematics

1 answer:

rusak2 [61]3 years ago

6 0

The slope of the line is -3/4, so the answer is B

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A computer downloads a 48 kilobyte file in 5 seconds. At this rate, how long will it take the computer to download a file that i

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The answer is 12.5 seconds.

48/5 = 120/x
x = 2.5
2.5 * 5 = 12.5

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2 years ago

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In a certain city of several million people, 7.7% of the adults are unemployed. If a random sample of 300 adults in this city is

Lilit [14]

Answer: 0.2643

Step-by-step explanation:

Given : The proportion of adults are unemployed : p=0.077

The sample size = 300

By suing normal approximation to the binomial , we have

$\mu=np=300\times0.077=23.1$

$\sigma=\sqrt{np(1-p)}=\sqrt{300\times0.077(1-0.077)}\\\\=4.61749932323\approx4.62$

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Using standard distribution table for z , we have

P-value= $P(z\geq0.63)=1-P(z$

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Hence, the probability that at least 26 in the sample are unemployed =0.2643

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3 years ago

The sum of two numbers is 40. One number is 4 less than the other. Find the numbers

yawa3891 [41]

One number is 18 and the other is 22

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3 years ago

The cost of 50 pounds of beans is $? Pls help!!

maksim [4K]

Answer:

69,78!!

Step-by-step explanation:

Espero te sirva

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3 years ago

Solve these inequalities by showing all steps of working b) 5x + 4 < 16 *

Mama L [17]

Step-by-step explanation:

5x+4<16

or,5x<16-4

or,5x<12

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or,x<12/5

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:.x<2.4

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3 years ago

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What is the slope of this line? A. -3B. -3/4C. 4D. 3/4​

What is the slope of this line? A. -3B. -3/4C. 4D. 3/4