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FromTheMoon [43]
2 years ago
11

HELP MEHHHHHHHHH. thanks.

Mathematics
2 answers:
jok3333 [9.3K]2 years ago
8 0
The Answer is A .....
maxonik [38]2 years ago
3 0

Answer:A

The mean is the average of all numbers, in this example it's to national averages which will have many numbers.

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Given that the value of b can never be equal to -1, determine if the equations are intersecting, parallel, or coincident.
eimsori [14]
<h3>Answer: A) intersecting</h3>

-----------------------------------------------

Work Shown:

Solve the first equation for y

x+y = ab

y = -x+ab

y = -1x + ab

slope = -1, y intercept = ab

-----------

Solve for y in the second equation

bx - y = a

bx - y - a = 0

bx-a = y

y = bx - a

Slope = b, y intercept = -a

-----------

The first equation has a slope of -1. The second equation has a slope of b.

Since b cannot equal -1, this means the two equations have different slopes. It is impossible for these two lines to be parallel, because parallel lines have equal slopes. The different slope values tell us the lines cross at exactly one point.

7 0
3 years ago
What is the equation of the line when m = 5 and b = -4?
Alja [10]

Answer:

Y = 5x -4

Step-by-step explanation:

You literally just plug the numbers into the equation below:

y = mx + b.

5 0
3 years ago
Compute the measures of center for both the boys and girls data. Describe their differences. Use the terms mean and median to ju
polet [3.4K]

Answer:boys: median=50, mean=46

Girls: median= 33, mean=34

Step-by-step explanation:

Mean is the average. Median is the middle number. Both groups had 10 scores. Boys ranged from 15-81. Girls from 0-75; their mean & median would be less because their scores are less.

6 0
3 years ago
Increase 386.3 by 4%
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401.752
multiply 386.3 by 4% (.04) then add the total to 386.3
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3 years ago
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