MATHEMATICS HIGH SCHOOL

Find the slope of the line through each pair of points (-7,13) (-15,-10)

Answers

Answer 1

Answer:

Answer:

23/8

Step-by-step explanation:

Slope = Rise / Run

Rise = -10 - 13 = -23

Run = -15 - (-7) = -8

Slope = -23 / -8 = 23/8

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Nick is now seven times as old as harry. In 6 years , nick will be five times as old as harry. How old will harry be in 6 years?
1+4=5, 2+5=12, 3+6=21, 8+11?
between 6am and 10am re temperature rose by 5 fahrenheit between 10am and 2pm the temperature rose by 6 fahrenheit between 2pm and 6pm the temperature rose by 0 celsius would you be able to tell how much the temperature rise since 6am why or why not
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Two non-simultaneous events have an equal likelihood of occurring (50%). If the events are independent of each other, what is the probability that they will both occur?

John had 75 fliers to post around town. Last week, he posted 1 over 5 of them. This week, he posted 2 over 5 of the remaining fliers. How many fliers has he still not posted?

Answers

John has 50 fliers remaining. If you think about it, he already put up 10 because John put up 1 over 5 and 2 over 5. So 75- 10=65. Now, John put 1 over 5 of them. That is 1 x 5=5. Next, you subtract 65-5 and that is 60. John put 2 fliers over 5 of them so, that is 2 x 5, or 10. 60 - 10 is 50 fliers.

An online media service offers video and music downloads. Each download of a song costs $1. Each download of a video costs 5 times as much as the song download. You have a credit of $70. How many songs can you purchase after buying 12 videos?

Answers

Answer:

6.3

Step-by-step explanation:

You want to add 1, 5, and 70 up. Then you would get 76. Next you want to divide 76 into 12. And there you go, 6.3 is the answer

(I hoped this helped. This was a bit confusing to me and difficult but i wanna try to be useful for once lol..)

Answer:

5.83

Step-by-step explanation:

70 / 12

A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. Find the value that is –2 standard deviations away from the mean.

Answers

45+8.3 = 53.3

45 - (2(8.3)) = 28.4

The value is 28.4 that is –2 standard deviations away from the mean.

Answer: 28.4

Step-by-step explanation:

Given : A set of data with a mean of $\mu= 45$ and a standard deviation of $\sigma=8.3$ is normally distributed.

Now, the value that is –2 standard deviations away from the mean is given by :-

$x=\mu-2\sigma\n\n\Rightrrrow\ x=45-2(8.3)\n\n\Rightarrow\ x=45-16.6\n\n\Rightrrrow\ x=28.4$

Hence, the value that is –2 standard deviations away from the mean. = 28.4

What is 3/8 written as a percent? 3/8 = 0.375 * 100 = 37.5%

Answers

To convert a fraction to a percentage, multiply it by 100 and add the percent (%) sign.

$(3)/(8)* 100 = (300)/(8) =(150)/(4) =(75)/(2) = 37.5$

So 3/8 is 37.5%.

If you would like to know what is 3/8 written as a percent, you can calculate this using the following steps:

3/8 = 375/1000 = 0.375
0.375 * 100 % = 37.5%

The correct result would be 37.5%.

Fatimah and four other women threw javelins in a competition.The distances, in metres, of the four other women are shown.
15.2
15.9
16.8
16.1
The mean distance for all five women was 16.04 metres.
Did Fatimah throw the javelin the furthest?
You must show your working.

Yes or no

Answers

Answer:

Hi,

Step-by-step explanation:

sum of all distances=16.04*5=80.2

sum of the four distances=15.2+15.9+16.8+16.1=64

Fatimah 's distance=80.2-64=16.2

Fatimah throw the javelin not the furthest.

I need to know what 85% of $6.99 plz help me!:(

Answers

85÷100=0.850.85×6.99=5.9415 is the answer

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