Plz help on matching i don't have the t-84 calculator so i cant do it

Answers

Answer 1

Answer: 1) Mean: 14.567
2) Sample size: 30
3) Standard deviation: 1.647
4) Median: 14.5
5) margin of error: 0.601
6) upper confidence level: 15.168
7) lower confidence level: 13.966
8) Maximum value: 18
9) first quartile: 13
10) third quartile : 16

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If a= negtaive 2,b=5,c=3 and d=4 find the value of

10ab -cd
Please I NEED HELP

Answers

Answer: -112

Step-by-step explanation:

To answer this question, we need to input all of the values of each variable into the equation. For a we replace it with (-2), b we replace it with 5, c we replace it with 3, and d we replace it with 4.

$10ab-cd$ turns into $10(-2)(5)-(3)(4)$

Since a number next to another number in parentheses is the same as multiplication, multiply out the numbers next to each other. Let's start with the first half of the equation with $10(-2)(5)$

-2 times 5 = -10. -10 times 10 = -100 (remember that a negative times a positive equals a negative).

For the second half of the equation, multiply 3 by 4.

$(3)(4)=12$

We can now replace the original values with their distributed ones, and then subtract.

$-100-12=-112$

How to do graph solution sets?

Answers

my suggestion is to look on google, there are plenty of answers and I think it will explain better than me.

Sean began jogging to live a healthier lifestyle. On his first run, he ran one-half mile. He increased his workouts by adding two miles a month to his run. He wrote the equation f(x)= 0.5 + 2x to model his progress

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The variable x represents the number of months he runs.

Answer:

b. months he runs :)

Explain the standard process for adding and subtracting two fractions?

Answers

To add fractions, you have to have common (shared) denominators.

hope this helps :) it took me lots of editing hope it helpful btw my spelling is off

The sale price of shrimp at a local grocery store is $1.15 for the first ounce and $0.95 for each additional ounce. Which function rule shows how the cost of shrimp, y, depends on the number of ounces, x?A - y = 1.15x + 0.95
B - y = (0.95 + 1.15)x
C - y = 0.95x + 1.15
D - y = 0.95(x - 1) + 1.15

Answers

C. y=0.95x+1.15... because 1.15 is the initial cost and 0.95 multiplied by x means x is the number of ounces you purchase after the first.
so say you purchase 5 more ounces then your equation would be
y=(0.95*5)+1.15
but in this case THE ANSWER IS C!

Write each mixed number as m/n in simplest form where m/n are integers 7 7/9

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70/9

7 is equivalent 63/9, and then you add 63 and 7 to get 70/9