Answer to this question please ASAP

Answers

Answer 1

Answer: In s minutes Amy can run 3 miles
than, in 1 minutes any can run 3/s miles,
so, in 50 minutes amy can run (3x50)/s=150/s miles (ans)

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Please tell me if the number is rational or irrational..the square root of 40/10
8 pi
1/6
0.3 (three is repeating)

Answers

1. Rational comes out even. 2. Irrational 8 square rooted doesn't come out even. 3. Irrational 6 square rooted doesn't come out even. 4. .3 square rooted doesn't come out even.

Simplify. (-6x^2 + 2y - 1) + (2x^2-5y + 3) A) -4x^2 + 3y -2 B) -4x^2 - 3y - 2 C) -4x^2 + 3y +2 D) -4x^2 -3y +2

Answers

Combine like terms

-6x^2+2y + -1 +2x^2 + -5y +3

( -6x^2+2x^2)+(2y-5y)+(-1+3)

= -4x^2+3y+2

Answer : C

I hope that's help !

Two groups separately performed an experiment by tossing a coin in the air. Group A performed 50 trials and group B performed 100 trials. Each group recorded the results in the table below:Group Heads Tails
A 30 20
B 52 48

What conclusion can be drawn about the number of trials and the probability of the coin landing on heads or tails?

Answers

Theoretical probability;
Head = 1/2 or 50%
Tail = 1/2 or 50%

Group Heads Tails Total
A 30 20 50
B 52 48 100

Experimental probability:
Group A:
Heads : 30/50 = 60%
Tails: 20/50 = 40%

Group B:
Head: 52/100 = 52%
Tails: 48/100 = 48%

Experimental probabilities of Group B is closer to the theoretical probabilities.

The data set below has an outlier.2, 10, 10, 11, 11, 12, 12, 12, 13, 14, 14

Which value is changed the most by removing the outlier?

A: the range
B: the median
C: the lower quartile
D: the interquartile range

Answers

2, 10, 10, 11, 11, 12, 12, 12, 13, 14, 14

range: 14 - 2 = 12
median: 12
lower quartile: 10
interquarile range: 14 - 10 = 4

10, 10, 11, 11, 12, 12, 12, 13, 14, 14
range: 14 - 10 = 4
median: 12
lower quartile: 10.5
interquartile range: 14 - 10.5 = 3.5

2 is the outlier.

the value that change is most is A. THE RANGE.
From 12, it became 4 when the outlier was removed from the data set.

the value that changes the most is the range

sixty people will be attending and needs 60% of the memos to be blue 20% to be red 15% to be green and 5% to be yellow how many green memos do you need to print

Answers

15% as a decimal can be written as 0.15

60 x 0.15 = 9

Therefore 9 green memos must be printed.

Combining like terms with negative coefficients and distribution
-2(2x+4)?

Answers

Answer:

-4x - 8

Step-by-step explanation:

Step 1: Write out expression

-2(2x + 4)

Step 2: Distribute -2

-4x - 8

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