MATHEMATICS HIGH SCHOOL

Which set of data of temperatures has the largest dispersion as measured by its interquartile range?1) 15,17,19,21,21,22,28
2) 21,23,36,37,44,48,50
3) 10,19,22,23,23,29,44
4) 42,47,49,50,52,59,60

Answers

Answer 1
Answer: 1) 22-17= 5
2) 48-23= 25
3) 29-19= 10
4) 59-47= 12

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Rich had 10 slices of pizzas. He shared 2 pieces with each of his 3 brothers and ate 1 piece himself. After this he decided to buy 6 more slices of pizza. How many slices of pizza does he have now?

Answers

Answer:

the answer is 10

Step-by-step explanation:

Answer: 10 slices

Step-by-step explanation:

10-2-3-1=4

4+6=10

If there is an 80% chance of rain and a 30% chance of wind and rain, what is the probability that it is windy, given that it is rainy? Round your answer to the nearest percent.

Answers

We suppose the total chance is 100%. So the chance of wind and rain accounts for 30%. Then it is given rainy. So the total chance will change to 80% and the chance of wind and rain remains constant. Then you can get the answer should be 30%/80%=37.5%≈38%.

Answer:38

Step-by-step explanation:

A ball was kicked into the air from a balcony 20 feet above the ground, and the ball's height above the ground, in feet, t seconds after the ball was kicked is given by the equation h(t)=-16t^2+32t+20.what was the maximum height,in feet, of the ball above the ground after it was kicked

Answers

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Which of the sets shown includes the elements of set Z that are both odd numbers and multiples of 7?Z={-21, -14, -7.0, 7, 14, 21}
A {-21, 21)
B. {-21.-7. 7. 21)
C: {-14, 0.14)
D. {-21, -14, -7)

Answers

Answer:

B. {-21.-7. 7. 21)

Step-by-step explanation:

The set made up of odd numbers and multiples of 7 is given as;

       {-21.-7. 7. 21)

Multiples of 7 are usually those numbers where 7 is  factor.

Odd numbers are numbers that cannot be divide by 2.

 So, the most fitting answer is B.

Select the correct answer. The sum of two numbers is -18. If the first number is 10, which equation represents this situation, and what is the second number? A. The equation that represents this situation is 10 − x = -18. The second number is 28. B. The equation that represents this situation is 10 + x = -18. The second number is -28. C. The equation that represents this situation is x − 10 = -18. The second number is -8. D. The equation that represents this situation is -10 + x = -18. The second number is -8.

Answers

Answer:-28

Step-by-step explanation:

Let A is the second number

the first number is 10.

The total is -18

=> 10 + A =-18 <=> A=-18-10=-28

What value of x makes the equation true?–4.9 = –5.7 + x
a. x = –10.6
b. x = –0.8
c. x = 0.8
d. x = 10.6

Answers

-4.9=-5.7+0.8
-4.9=-4.9
Answer is C
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