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3 years ago

15

Salem High School’s winter sports teams WON 72% of their games last season. If the teams played 50 games, how many games did the

teams LOSE

1 answer:

gogolik [260]3 years ago

6 0

They would have lost 16 games

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From a point on the ground, Geoff measures the angle of elevation of a 130m tower to be 36°. How far from the base of the tower

Gala2k [10]

Answer:

Geoff is 16.77 m far from base of tower.

Step-by-step explanation:

steps are in the picture below.

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2 years ago

Molodets [167]

The irrational numbers are √10,√27,√99.

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3 years ago

At Saturday’s nights football game there were 18 less than half of Friday nights game there were “x” fans at Friday’s game write

AnnZ [28]

$y = \frac{x}{2} - 18$

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2 years ago

(a) Predict the median income of a region in which 30% of adults 25 years and older have at least a bachelor's degree.

Step2247 [10]

Answer:

(a). $35746. (b). Higher.

Step-by-step explanation:

(a). Given that the least-squares regression equation is y = 7163x + 14242. Also, in the question above we are given that y is the median income and x is the percentage of 25 years and older with at least a bachelor's degree in the region, that is to say that the value of x = 30.

Therefore, y = 7163x + 14242.

y = (7163 × 30) + 14242.

y = $35746.

(b). The condition for our x is; 28.7 percent of adults 25 years and older have at least a bachelor's degree.

Then, y = (7163 × 28.7) + 14242.

y = $34814.

Hence, we have the median income in this region = $38,163 HIGHER than $34814.

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2 years ago

The Carter Motor Company claims that its new sedan, the Libra, will average better than 31 miles per gallon in the city. Assumin

Nutka1998 [239]

Answer:

The null hypothesis $H_o : \mu = 31$

The alternative hypothesis $H_a : \mu > 31$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 31 \ miles / gallon$

Generally

The null hypothesis is that the company's new sedan, the Libra, will have an average of $\mu = 31 \ miles / gallon$

This mathematically represented as

The null hypothesis $H_o : \mu = 31$

The alternative hypothesis is that the company's new sedan, the Libra, will have an average better than $\mu = 31 \ miles / gallon$

This mathematically represented as

The alternative hypothesis $H_a : \mu > 31$

7 0

3 years ago