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-BARSIC- [3]
3 years ago
8

Help please?????????

Mathematics
1 answer:
sashaice [31]3 years ago
6 0

Answer:

About 4 times the MAD

Step-by-step explanation:

If you go in from right to left moving you finger one dot at a time then the center of the Data Set A is 42.5 beacuse you add the two numbers together (this is because you have an even number of dots) and the center of Data Set B is 20. The MAD for set A is about 5.83 the MAD for set B is about 5.83 also. Now you have to figure out the means. The mean of data set A is 42.5, the mean for data set B is 20. The difference in the means is 22.5 and if you divide the difference of the means by the MAD you will get 3.859348199, or ≈4 times the MAD

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Which table of ordered pairs represents a proportional relationship?
Naily [24]

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C

Step-by-step explanation:

The points in C, when graphed, have a positive slope as well as going up or down by the same amount each time

-3-2=-5-2=-7

5-2=3-2=1

5 0
3 years ago
Evaluate the replacement set for the following equation 2n - 3 < 9. replacement set : n = {2, 5, 0}
ad-work [718]

n = {2, 5, 0} holds true for 2n - 3 < 9

<em><u>Solution:</u></em>

Replacement set is the set of values that may be substituted for the variable.

Plug in each value from the replacement set and evaluate both sides of the inequality

If the inequality is true for a certain value, that value belongs in the solution set.

<em><u>Given equation is:</u></em>

2n - 3 < 9

<em><u>Substitute n = 2</u></em>

2(2) - 3 < 9

4 - 3 < 9

1 < 9

1 is less than 9 is true

Thus n = 2 is a solution to equation

<em><u>Substitute n = 5</u></em>

2(5) - 3 < 9

10 - 3 < 9

7 < 9

7 is less than 9 is true

Thus n = 5 is a solution to equation

<em><u>Substitute n = 0</u></em>

2(0) - 3 < 9

0 - 3 < 9

-3 < 9

-3 is less than 9 is true

Thus n = -3 is a solution to equation

7 0
4 years ago
Sin x = cos 15 and 0 &lt; x &lt; 90, what is x
cluponka [151]

Answer:

a letter

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find a degree 3 polynomial having zeros -5, 1 and 5 and the coefficient of x^3 equal 1
mote1985 [20]

Answer:

x^3 -x^2 -25x +25

Step-by-step explanation:

\text{The roots are,}~ \alpha  = -5,~ \beta = 1 ~ \text{and}~ \gamma = 5\\\\\text{The polynomial is,}\\\\~~~x^3 - (\alpha + \beta + \gamma)x^2+(\alpha \beta + \beta \gamma+ \gamma \alpha)x - \alpha\beta \gamma\\\\=x^3 - (-5+1+5)x^2 +(-5 \cdot 1 + 1 \cdot 5 + 5 \cdot -5)x - (-5)(1)(5)\\\\=x^3 -(0+1)x^2 + (-5+5-25)x +25\\\\=x^3 -x^2 -25x +25

7 0
2 years ago
in order to make a specific shade of green paint, a painter mixes 1 1/2 quarts of blue paint, 2 cups of green paint and 1/2 gall
Alchen [17]

Answer:

37.5 cups of blue

12.5 cups of green

50 cups of white

Step-by-step explanation:

We need  to convert all units to cups

1 1/2 quart blue

3/2 quarts blue

1 quart = 4 cups

3/2 quarts * 4 cups/ quart = 12/2 = 6 cups

1/2 gallon white

1 gallon = 16 cups

1/2 * 16 cups/1 gallon = 8 cups

Blue:     Green :     White    : total

6 cups:   2 cups :   8 cups : 6+2+8

6               2            8             16

We need a total of 100 cups

100/16 =6.25

Multiply each number by 6.25

Blue:      Green :      White    : total

6*6.25      2*6.25   8*6.25   16*6.25

37.5            12.5         50          100

We need

37.5 cups of blue

12.5 cups of green

50 cups of white

4 0
3 years ago
Read 2 more answers
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