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3 years ago

Point A lies in plane B how many planes can be drawn perpendicular to plane B through point A

Mathematics

1 answer:

Sergeu [11.5K]3 years ago

8 0

Answer:

Step-by-step explanation:

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Find f(-5) if f(x) = X + 11.

fgiga [73]

Answer:

f(-5) = 6

Step-by-step explanation:

f(x) = x + 11

Let x = -5

f(-5) = -5+11

f(-5) = 6

4 0

3 years ago

4. Celina babysat for 5 hours and earned $27. what's her pay per hour?

Elenna [48]

Celina earns $5.4 per hour.

6 0

2 years ago

Together 2 apples have 1/5 gram fat how many apples have a total of 4 grams of fat

dimulka [17.4K]

Answer:The answer is 40 apples.

Step-by-step explanation:

It takes 10 apples to make a gram of fat. Multiply the 10 apples by 4 grams of fat to find that it takes 40 apples to make 4 grams of fat.

3 0

2 years ago

Read 2 more answers

A human resources representative claims that the proportion of employees earning more than $50,000 is less than 40%. To test thi

bearhunter [10]

Answer:

The statistic for this case would be:

$z=\frac{\hat p -p_o}{\sqrt{\frac{\hat p(1-\hat p)}{n}}}$

And replacing we got:

$z= \frac{0.436-0.4}{\sqrt{\frac{0.436*(1-0.436)}{700}}}= 1.92$

Step-by-step explanation:

For this case we have the following info:

$n =700$ represent the sample size

$X= 305$ represent the number of employees that earn more than 50000

$\hat p=\frac{305}{700}= 0.436$

We want to test the following hypothesis:

Nul hyp. $p \leq 0.4$

Alternative hyp : $p>0.4$

The statistic for this case would be:

$z=\frac{\hat p -p_o}{\sqrt{\frac{\hat p(1-\hat p)}{n}}}$

And replacing we got:

$z= \frac{0.436-0.4}{\sqrt{\frac{0.436*(1-0.436)}{700}}}= 1.92$

And the p value would be given by:

$p_v = P(z>1.922)= 0.0274$

4 0

3 years ago

What is the area of this figure?

DerKrebs [107]

Area of the full circle = π (13)² = 169π

Area of the sector = 80/360 x 169π = 118 ft²

Answer: 118 ft² (Answer D)

7 0

3 years ago