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3 years ago

I NEED AN ANSWER ASAP! Write the equation of the line passing through (7, 1), (7, -4), and (7, 4).

Mathematics

1 answer:

nekit [7.7K]3 years ago

4 0

y = 0x +0

this line is straight up and down so it has a slope of 0 and it never crosses the y axis so it has a y intercept of 0.

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In the formula 1/3 π r*2 •h, if r is doubled and h is divided by 3, what is the ratio of new value of the formula to the origina

Maru [420]

$\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=\stackrel{doubled}{2r}\\ h=\stackrel{\textit{divided by 3}}{\frac{h}{3}} \end{cases}\implies V=\cfrac{\pi (2r)^2\left( \frac{h}{3} \right)}{3} \\\\\\ V=\cfrac{\pi (2^2r^2)\left( \frac{h}{3} \right)}{3}\implies V=\cfrac{~~\frac{4\pi r^2 h}{3}~~}{3}\implies V=\cfrac{4\pi r^2 h}{3\cdot 3}\implies \stackrel{\frac{4}{3}\textit{ of the original}}{V=\cfrac{4}{3}\cdot \cfrac{\pi r^2 h}{3}}$

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3 years ago

Find the distance of the line segment joining the two points:

zhannawk [14.2K]

Answer:

Step-by-step explanation:

$\sqrt{((\sqrt{2} - 0)^2 + (0 - (-\sqrt{2}))^2)$

3 0

2 years ago

Lyn puts dvds on shelves. She has 236 dvds.each full shelf has 28 dvds.how many full shelves of dvds does Lyn have?

cluponka [151]

Answer:

8 shelves

Step-by-step explanation:

As 28 multiple by 2 is 224 and 28*9 is 252 so she will have 8 full shelves

3 0

2 years ago

Read 2 more answers

If $20,900 is invested at an interest rate of 8 percent per year, find the value of the investment at the end of 5 years for the

Katena32 [7]

Answer:

annual

Step-by-step explanation:

You make a single deposit of $100 today. It will remain invested for 4 years at 8% per year compounded annually. What will be the future value of your single deposit at the end of 4 years?

6 0

2 years ago

An engineering school reports that 53% of its students were male (M), 35% of its students were between the ages of 18 and 20 (A)

erik [133]

Answer: Our required probability is 0.65.

Step-by-step explanation:

Since we have given that

18-20 Not 18-20 Total

Male 0.23 0.35 0.58

Female 0.16 0.26 0.42

Total 0.39 0.61 1

P(female or between 18-20) = P(female) + P(18-20) - P(Female and 18-20)

P(female or between 18-20) = 0.42+0.39-0.16

P(female or between 18-20) = 0.65

Hence, our required probability is 0.65.

3 0

2 years ago