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Sphinxa [80]
3 years ago
13

(19) mx+nx=p How do you solve it

Mathematics
1 answer:
hodyreva [135]3 years ago
3 0

Answer:m=p/x - n, n=p/x-m

Step-by-step explanation: I hope this is what you are looking for.

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Suppose the class sizes in high schools in a major public school district are normally distributed with an unknown population me
Blizzard [7]

Answer:

1.703

Step-by-step explanation:

The reason we try to find t score is because the sample size is below 30, meaning the sample size is small

Hence:

Step 1

We find the degree of freedom

The Degrees of freedom = Number of samples - 1

The random number of samples = 28

= 28 - 1

= 27

Step 2

Using a t score table or t score calculator, we can obtain the t score value for a 90% confidence interval and degree of freedom of 27

90% confidence interval =

10% significance level = 0.10 for two tails or 0.1/2 = 0.05 for one tail

Hence: t90 = 1.703

4 0
3 years ago
Need to find the ratio
wolverine [178]

Answer:

B

Step-by-step explanation:

CosA = AB/AC = 12/20 = 3/5

6 0
2 years ago
Simplify the expression
anygoal [31]
10. 24x-8. 11. 5x+6x+2x+15x=28x I hope this is right
4 0
3 years ago
If an airplane travels 110 mph for 5 hours, what is the total distance traveled?
Sergeu [11.5K]

Answer:

550 miles

Step-by-step explanation:

Distance=Speed\times Time

Distance = 110mph \times 5h = 550\ miles

3 0
3 years ago
The scatter plot shows the amount of sleep Aria got the night before a test and her test scores. Use the y-intercept, (0, 62), a
kotegsom [21]

Answer:

y = 3x + 62

Step-by-step explanation:

Trend line equation in the form :

y = mx + b

m = slope

b = intercept

Using the points :

(0, 62) ; (6, 80)

Slope, m = Rise / Run = (y2-y1) / (x2 - x1)

y2 = 80 ; y1= 62 ; x2 = 6 ; x1 = 0

m = (80 - 62) / (6 - 0)

m = 18 / 6

m = 3

Intercept, b = value of y when x = 0

(0, 62) ; hence, b = 62

y = 3x + b

y = 3x + 62

3 0
3 years ago
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