3 years ago

What is the slope of this line??

Mathematics

2 answers:

astraxan [27]3 years ago

8 0

Answer:

m= 8/5

Step-by-step explanation:

Points on the graph: ( -4, -4) and (1, 4)

Slope:

m=(y2-y1)/(x2-x1)

m=(4+4)/(1+4)

m= 8/5

Darya [45]3 years ago

4 0

Answer:

3/2

Step-by-step explanation:

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Mileage tests are conducted for a particular model of automobile. If a 98% confidence interval with a margin of error of 1 mile

Llana [10]

Answer: 37

Step-by-step explanation:

Given : Significance level : $\alpha:1-0.98=0.02$

Critical value : $z_{\alpha/2}=z_{0.01}=2.33$

margin of error : E= 1 mile per gallon

Population standard deviation: $\sigma=2.6$ miles per gallon.

We know that when the population standard deviation is known then the formula to find the sample size is given by :

$n=(\dfrac{z_{\alpha/2}\times \sigma}{E})^2$

$n=(\dfrac{(2.33)\times 2.6}{1})^2=36.699364\approx37$ [Round to the next whole number.]

Hence, the required number of automobiles should be used in the test = 37

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3 years ago

What is 7 grams in milligrams?

hodyreva [135]

Answer:

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3 years ago

The total cost of a truck rental, y, for x days, can be modeled by y=24x+39. What is the rate of change for this function?

padilas [110]

Answer:

24 per day

Step-by-step explanation:

'x' = days, so since 24 is with x, the rate of change is 24

3 0

3 years ago

Which of the following operations could you perform on both sides of the given equation to solve it? check all that apply. 8x -

antiseptic1488 [7]

8x-2x=24+6
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4 years ago

If the ages in a classroom were 11, 12, 12, 13, 13, 14 - what would the median age be if you added someone that was 10 years old

Mandarinka [93]

Answer: 12 years old

Step-by-step explanation:

10,11,12,12,13,13,14

The middle in these numbers is 12

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3 years ago