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vitfil [10]
2 years ago
10

Is (-2,-3) a solution of the graphed system of inequalities? yes or no

Mathematics
1 answer:
Vadim26 [7]2 years ago
7 0

Answer:

yes

Step-by-step explanation:

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8.5x-6.1=-7.1<br><br> round to the nearest tenth
Crazy boy [7]
8.5x-6.1=-7.1

40x-6.1=-7.1

40x=-7.1+6.1

40x=-1

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3 years ago
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Example 24 In a school there are 20 teachers who teach mathematics or physil
Trava [24]

Answer:

The number of teachers who teach  physics   n(P) = 12

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given that the number of teachers who teach mathematics or physics

n(MUP) = 20

Given that  the number of teachers who teach mathematics

n(M) = 12

Given that the number of teachers who teach both mathematics and physics

n(M∩P) = 4

<u><em>Step(ii):-</em></u>

By using   n(A∪B) = n(A) + n(B) - n(A∩B)

                n(M∪P) = n(M) +n(P) - n(M∩P)

                20         = 12 + n(P) - 4

               20 -12 +4 = n(P)

                    n(P) = 12

<u><em>Final answer:-</em></u>

The number of teachers who teach  physics   n(P) = 12

3 0
3 years ago
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A bag of birdseed that normally cost $22.25 is marked up to $25.30. What is the percent markup ?
LenaWriter [7]
25.3-22.25 = 3.05
What percent of 22.25 is 3.05?
22.25x = 3.05
x = .1370786517
It's marked up 13.7%
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Draw the line through the point (4,5) that is parallel to the y-axis. Write the equation of this line and state its slope
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Parallel to the y axis...that would mean that it is a vertical line.
The equation would be : x = 4 and it would have an undefined slope
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Statistical data can be classified into
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IT CAN BE ORDERED IN THE FORM LOWEST TO HIGHEST BY FOUR LEVELS OF STATISTICS :

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