3 years ago

What is an equation of the line that passes through the points

Mathematics

1 answer:

Nikitich [7]3 years ago

4 0

(-3,6) should be the right answers u don’t see why not

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You estimate that there are 75 marbles in a jar. The actual amount is 82 marbles. Find the percent error

Vikentia [17]

Answer:

Percent Error:: 12/36 = 33 1/3 %

Step-by-step explanation:

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3 years ago

17 less than twice a number is equal to the number. What is the number?

netineya [11]

Let x be the number. x= 2x-17
-x=-17
x=17

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3 years ago

Read 2 more answers

SOLVE EACH PROBLEM: 1. Edwin pays tax at the rate of 25% of his income. What fraction of Edwin’s income is this? 2. Vida correct

Elena L [17]

Step-by-step explanation:

1/4

90%

1.5

0.005

6/10

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2/10

49.5

3/4

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2 years ago

Final grades are often computed using weighted averages. For example, Fran's teacher uses the following: homework 10%, quizzes 2

STALIN [3.7K]

The final grade of fran can be calculated by multiplying the corresponding percentage of his average homework, quizzes and tests, then sum it up and it is now the final grade of fran.

Final grade = (0.10 x 92) + ( 0.20 x 68) + (0.70 x 81)

<span>Final grade = 79.5 </span>

8 0

3 years ago

Suppose your boss wants you to obtain a sample to estimate a population mean. Based on previous analyses, you estimate that 49 i

VashaNatasha [74]

Answer:

the minimum sample size n = 11.03

Step-by-step explanation:

Given that:

approximate value of the population standard deviation $\sigma$ = 49

level of significance ∝ = 0.01

population mean = 38

the minimum sample size n = ?

The minimum sample size required can be determined by calculating the margin of error which can be re[resented by the equation ;

Margin of error = $Z_{ \alpha /2}} \times \dfrac{\sigma}{\sqrt{n}}$

$38 = \dfrac{2.576 \times 49}{\sqrt{n}}$

$\sqrt{n} = \dfrac{2.576 \times 49}{38}$

$\sqrt{n} = \dfrac{126.224}{38}$

$\sqrt{n} = 3.321684211$

$n= (3.321684211)^2$

n ≅ 11.03

Thus; the minimum sample size n = 11.03

5 0

3 years ago