MATHEMATICS HIGH SCHOOL

Its just this mathematical hard question
j ÷ 5 = 2

Answers

Answer 1
Answer: We need to isolate j so we would multiply 5 to both sides and we would have
j = 10 so the correct answer is J = 10
Answer 2
Answer: lol this question not hard its very easy, the question its just telling u what is j, so basically its telling u what number divided by 5 = 2? the answer is obviously 10 cause 5 * 2 = 10. 3 more thins fyi.

1. this is elementary school work not high school

2. always read the question b4 posting so u can save points to ask real hard questions

3. I hope what I said earlier helps u out, the answer Is 10

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What is the sum?

(9c-8) + (2c-6)

Answers

Answer:

The sum is 11c - 14.
11c−14 this is the answer good luck

Please answer this question

Answers

Answer:

D. 1,300

Step-by-step explanation:

How do I solve the ratio of somthin​

Answers

Add the ratio terms to get the whole. Use this as the denominator. 1 : 2 => 1 + 2 = 3.
Convert the ratio into fractions. Each ratio term becomes a numerator in a fraction. 1 : 2 => 1/3, 2/3.
Therefore, in the part-to-part ratio 1 : 2, 1 is 1/3 of the whole and 2 is 2/3 of the whole.

There are 45 red tiles,25 blue tiles and 30 green tiles in a bag.Suppose you plan to conduct this experiment 60 times.
Draw a tile from the bag without looking.
Record the color of the tile
Replace the tile
How many tiles of each color do you expect to get?

Answers

This is a question of probability.
Probability of picking any color= number of tiles with that color/total number of tiles
Total=45+25+30=100
P(red tile)=(45/100)x60=0.45x60=27
P(blue tile)=(25/100)x60=0.25x60=15
P(green tiles)=(30/100)x60=0.3x60=18

A train travels with a constant speed of 108 km/h. How long will it take to travel a distance of 270 kilometers? PLEASE HELLLLLLPPPP THERE BRAINLIEST

Answers

Answer:

The answer is 2.5 hours. That's how long it would take the train to travel 270 kilometers.

mark me brainliest!

Provide an appropriate response.39) Find a set of 7 scores that has the same mean but a smaller standard deviation than the
set {65, 71, 77, 80, 82, 90, 96}.

Answers

You don't even have to look up the definition of 'standard deviation'.  You only
have to remember that 'smaller standard deviation' means 'less spread-out'.

First, let's find the mean (average).  It's not supposed to change:

1/7th of (65 + 71 + 77 + 80 + 82 + 90 + 96) = 561/7 = 80 and 1/7 .

Now, just pick 7 scores that total 561 and are all bunched up.

The easiest way would be 80, 80, 80, 80, 80, 80, 81 .
But that's so easy that it feels like cheating.

Let's say 77, 78, 79, 80, 81, 82, and 84 .
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