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wolverine [178]
3 years ago
12

What is the mean absolute deviation of this data set? 4, 8 , 3, 8, 7, 10, 9

Mathematics
2 answers:
sergeinik [125]3 years ago
8 0

Answer: Mean Absolute Deviation (MAD): 7

Hope this helps u!

Have a good day and stay safe!

Rzqust [24]3 years ago
3 0

Answer:

7

Step-by-step explanation:

\frac{3+4+7+8+8+9+10}{7}

\frac{49}{7}

49 ÷ 7 = 7

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The original amount owed on a loan is known as
beks73 [17]

Answer:

The original amount owned on a loan is known as principal.

7 0
3 years ago
Find the x - intercept and y -intercept of the line. 7x+3y=-21​
k0ka [10]

Answer:

X-intercept is (-3,0)

Y-intercept is (0,-7)

Step-by-step explanation:

4 0
3 years ago
How many quarts of pure antifreeze must be added to 8 quarts of a 40% antifreeze solution to obtain a 60% antifreeze solution?
Vinvika [58]

Answer:

we have 8 quarts of 40% antifreeze,

according to the britain equivalent, 1 quart = 1.13L

so, we have 8 * 1.13L  = 9.04 L

out of the 9.04 L, 40% is antifreeze

amount of antifreeze = 0.4 * 9.04 = 3.616 L

moles of antifreeze present = 3.616/22.4 = 0.16 moles

moles of antifreeze in 60% solution = 0.6 * v/22.4 = 0.027 * v          

<em>(where v is the volume of final solution)</em>

molarity of initial solution = 0.16/9.04 = 0.018 M

molarity of final solution = 0.027*v/v = 0.027 M

m1*v1  = m2*v2

0.018 * 9.04 = 0.027 * v

v = 0.018 * 9.04/0.027

v = 6.026 L

amount if antifreeze in the final solution = 6.026 * 0.027 =  

0.163 Moles of antifreeze

amount in L = 0.163 * 22.4 = 3.65 L

amount in quarts  = 3.65/1.13 = 3.23 quarts

4 0
3 years ago
Why does the sum of -4 and 3 complain more than the sum of -3 and 5
AlexFokin [52]
Because of its negatives
7 0
3 years ago
What is the solution to the system of equations graphed below? On a coordinate plane, 2 lines intersect at (2, negative 3). (2,
vlabodo [156]

Answer:

2, -3

Step-by-step explanation:

I think this is right.

Maybe just wait till someone else answers just to makae sure this is exactly the right answer.

8 0
3 years ago
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