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max2010maxim [7]
3 years ago
13

You are randomly picking a number between 1 and 20, inclusive. What is the probability of selecting a

Mathematics
2 answers:
julsineya [31]3 years ago
5 0

Answer:

of favourable events = 4, (which includes 1, 4, 9, 16). And, total number of observations are 20. So, the probability of picking a square number between 1 and 20 is 1/5.

Step-by-step explanation:

andrey2020 [161]3 years ago
4 0

Answer:

Answer is 20% chance. (20/100 or 4/20)

Step-by-step explanation:

There are 4 perfect squares in a number set 1-20.

1,4,9, and 16.

So that is 4/20. I multiplied the fraction by 5 to get 20/100 to get 20%

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Ramon plays a game which his older sister he first gains 5 points then loses 8 points and finally gains 10 points what is his fi
vladimir1956 [14]

Answer:

7 points

Step-by-step explanation:

started out w/ 5 points, then loses 8

5 - 8 = -3

gains 10 points

-3 + 10 = 7

3 0
2 years ago
What are the x-intercepts of 4x^ + 8x - 5
mojhsa [17]
Assuming the exponent is supposed to be "^2" your equation will read:

4x² + 8x - 5

It must set equal to y to be a valid function and the y must be set equal to zero to find x-intercepts.

4x² + 8x - 5 = 0
4x² - 2x + 10x - 5 = 0
2x(2x - 1) + 5(2x - 1) = 0

(2x + 5)(2x - 1) = 0

Set each binomial equal to zero.

2x + 5 = 0
2x = 0 - 5
2x = - 5
Divide both sides by 2
x = - 5/2

2x - 1 = 0
2x = 0 + 1
2x = 1
x = 1/2

Your x-intercepts are x = - 5/2, 1/2 or (- 5/2, 0) and (1/2, 0)
6 0
3 years ago
Please please help me -
Hitman42 [59]

Answer:

ok

Step-by-step explanation:

7 0
3 years ago
What does 100 × 30% equal I'm a bit confused
oksian1 [2.3K]

Answer:

30

Step-by-step explanation:

30% in a calculator is .3

if you multiply 100 by .3 you get 30

also multiplying a number by a percentage is just taking a percentage of that number. so 30% of 100 is 30.

3 0
3 years ago
Y=-1/2x+1 what is the slope
klio [65]
The slope is -1/2. When it’s in the equation like that, the slope is always the number that has the letter X next to it.
6 0
3 years ago
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