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dmitriy555 [2]
3 years ago
9

Write an equation in slope-intercept form for the line. Slope -2, passes through (-3,14)

Mathematics
1 answer:
LekaFEV [45]3 years ago
8 0

Answer:

y=-2x +8

Step-by-step explanation:

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The commercial for the new Meat Man Barbecue claims that it takes 10 minutes for assembly. A consumer advocate thinks that the c
Andrews [41]

Answer:

There is enough evidence to make the conclusion that the population mean amount of time to assemble the Meat Man barbecue is not equal to 10 minutes (P-value=0.009).

Step-by-step explanation:

We have to perform an hypothesis test on the mean.

The null and alternative hypothesis are:

H_0: \mu=10\\\\H_1: \mu \neq 10

The significance level is \alpha=0.05.

The test statistic t can be calculated as:

t=\frac{M-\mu}{s/\sqrt{N} } =\frac{11.2-10}{3.1/\sqrt{50} }=2.737

The degrees of freedom are:

df=N-1=50-1=49

The P-value (two-tailed test) for t=2.737 and df=49 is P=0.00862.

This P-value (0.009) is smaller than the significance level, so the effect is significant. The null hypothesis is rejected.

There is enough evidence to make the conclusion that the population mean amount of time to assemble the Meat Man barbecue is not equal to 10 minutes.

7 0
3 years ago
Which of the numbers below are divisible by 2?
joja [24]

286, 260, 124, 420, 286

7 0
3 years ago
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Find the surface area of the regular pyramid. round to the nearest tenth if necessary.
Morgarella [4.7K]

the answer is a

hope this helps

3 0
3 years ago
Are these lines perpendicular?<br> yes<br> no
liberstina [14]

Answer:

no

Step-by-step explanation:

perpendicular means that they intersect at a 90° angle

4 0
2 years ago
Twenty boxes of paper weights 460 pounds. What is the ratio of boxes to pounds?​
Marta_Voda [28]

Answer:

1:23

Step-by-step explanation:

20 / 460

= 1 / 23

= 1:23

6 0
2 years ago
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