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3 years ago

The parking lot at a country club has 90 cars in it. 50% of the cars are four-door how many cars are Four doors? Step by step

Mathematics

1 answer:

viktelen [127]3 years ago

4 0

Answer:

Step-by-step explanation:

Lemme know if this helped

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Find cos (A). Choose 1 answer: A.) 35/12 B.) 12/37 C.) 35/37 D.) 12/35

Mama L [17]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

A recent survey indicated that the average amount spent for breakfast by business managers was $9.33 with a standard deviation o

olasank [31]

Answer:

$t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}$ (1)

Replacing the info given we got:

$t=\frac{9.41-9.33}{\frac{0.24}{\sqrt{81}}}=3$

Step-by-step explanation:

Information given

$\bar X=9.41$ represent the sample mean

$s=0.24$ represent the sample standard deviation

$n=81$ sample size

$\mu_o =9.33$ represent the value to verify

$\alpha=0.05$ represent the significance level

t would represent the statistic

$p_v$ represent the p value

Hypothesis to test

We want to test if the true mean is higher than 9.33, the system of hypothesis would be:

Null hypothesis: $\mu \leq 9.33$

Alternative hypothesis: $\mu > 9.33$

The statistic is given by:

$t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}$ (1)

Replacing the info given we got:

$t=\frac{9.41-9.33}{\frac{0.24}{\sqrt{81}}}=3$

4 0

3 years ago

What is 2+2 haha take all the points and mark me brainliest and like

Rainbow [258]

Answer:

Step-by-step explanation:

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3 years ago

Find the slope of the line that passes through (4,-5) and (-2,9)

stiks02 [169]

Answer:

C) -7/3

Step-by-step explanation:

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

m=(9-(-5))/(-2-4)=(9+5)/-6=14/-6

simplify -14/6 to -7/3

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3 years ago

Find the area in square inches of the figure shown.

djverab [1.8K]

Answer:

8 * 17 = 136

39 * 36 = 1404

1482 + 136 = 1540

Step-by-step explanation:

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3 years ago