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Trava [24]
3 years ago
9

Hey um... I have a question about Cumulative frequency diagram. Its in the picture. Please help I will give you reward I promise

. If you need any clarification I will respond.​
Reward: 30 pts​

Mathematics
1 answer:
Mice21 [21]3 years ago
5 0

Answer: see below

Step-by-step explanation:

(i)

200/2 = 100

Find 100 on cumulative frequency and the correspinding time: 14 minutes. So the answer is 14 minutes.

(ii)

First, find the lower quartile —> 200/4 = 50

Upper quartile —> 200/(3/4) = 150

Find the difference: 150 - 50 = 100

So the interquartile range is 100

For detailed, step-by-step explanations you can visit my fiverr account: kesja_

I provide detailed explanations for math questions for as little as $1!

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The graph below shows the distance a car can travel, y, using gallons of gasoline.
REY [17]

Answer:

25 miles per gallon

Step-by-step explanation:

Miles per gallon is the same as: \frac{miles}{gallon}. The graph shows that when 2 gallons of gasoline are used, 50 miles are driven. So you would do \frac{50}{2}, which is 25.

Hope it helps!

5 0
3 years ago
Read 2 more answers
Not sure how to solve this
Diano4ka-milaya [45]

Step-by-step explanation:

You just have to plug the numbers they give you into the equation. For the first one, you have 0 + 5y = 10; 5y = 10; y = 2. For the second one, x + 5(0) = 10; x + 0 = 10; x = 10. And lastly, for the third one, x + 5(6) = 10; x + 30 = 10; x = -20.

7 0
3 years ago
For f(x)=2x+1 and g(x)=x^2-7, find (f+g)(x)
labwork [276]

For this case we have the following functions:

f (x) = 2x + 1\\g (x) = x ^ 2-7

We must find the following sum of functions:

(f + g) (x)

By definition we have to:

(f + g) (x) = f (x) + g (x)\\(f + g) (x) = 2x + 1 + x ^ 2-7\\(f + g) (x) = x ^ 2 + 2x-6

So, we have to:

(f + g) (x) = x ^ 2 + 2x-6

Answer:

(f + g) (x) = x ^ 2 + 2x-6

3 0
4 years ago
Use a graph to solve<br> 1/2|x + 1| + 1 = |x|
kiruha [24]
1st x is -1, 2nd x is 3
3 0
3 years ago
The function p(x) = 8x – 10 shows the profit, in dollars, for selling x books.
KengaRu [80]

Answer:

Every book is 8 dollars but you have to subtract 10, so like this:

Step-by-step explanation:

p(x) = 8x - 10 Lets say you sell 2 books

p(2) = 8(2) - 10

p(2) = 16 - 10

p(2) = 6  You would make 6 dollars.

3 0
3 years ago
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