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3 years ago

The equation of the line

Mathematics

1 answer:

hammer [34]3 years ago

5 0

(9,0) (0,9) choose any two points since it’s a straight line honey and the dk the difference between the two points

9-0
———. = 1
0-9

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Convert 50 tons to pounds

Mrrafil [7]

Answer: 100,000 pounds

multiply the mass value by 2000

50×2,000=100,000

5 0

3 years ago

Read 2 more answers

How many weeks of data must be randomly sampled to estimate the mean weekly sales of a new line of athletic footwear? We want 98

Irina18 [472]

Answer:

$n=(\frac{2.33(1400)}{400})^2 =66.50 \approx 67$

So the answer for this case would be n=67 rounded up

Step-by-step explanation:

Information given

$\bar X$ represent the sample mean for the sample

$\mu$ population mean

$\sigma=1400$ represent the sample standard deviation

n represent the sample size

Solution to the problem

The margin of error is given by this formula:

$ME=z_{\alpha/2}\frac{\sigma}{\sqrt{n}}$ (a)

And on this case we have that ME =400 and we are interested in order to find the value of n, if we solve n from equation (a) we got:

$n=(\frac{z_{\alpha/2} \sigma}{ME})^2$ (b)

The critical value for 98% of confidence interval now can be founded using the normal distribution. And the critical value would be $z_{\alpha/2}=2.33$ , replacing into formula (b) we got:

$n=(\frac{2.33(1400)}{400})^2 =66.50 \approx 67$

So the answer for this case would be n=67 rounded up

8 0

3 years ago

A superhero asked his nemesis how many cats she has. she answered with a riddle "Three-fourths of my cats plus seven" how many c

liq [111]

Let C be the number of cats of the superhero. With this, the number of cats of nemesis have is 3C/4 + 7. The numbers should be equal such that,
C = 3C/4 + 7
The value of C from the equation is 28. Thus, the number of cats of the nemesis is 28.

6 0

3 years ago

Y’all I need to ask a question.

Gnesinka [82]

Answer:

A bank normally is the organization which lends money

Step-by-step explanation:

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3 years ago

Stephen record the growth of a plant over 10 weeks for his science project he made a graph that shows how much the plant group e

vazorg [7]

Answer:

y= 6/5x + 2

If you substitute the points (5,8) you get:

8 = 6/5 × 5 + 2

8 = 6 + 2

Step-by-step explanation:

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3 years ago