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3 years ago

PLEASE HURRY I NEED HELP WILL GIVE BRAINLIEST!!!

Mathematics

2 answers:

guajiro [1.7K]3 years ago

6 0

Answer:

y=-2x+8

Step-by-step explanation:

y+2=-2(x-5) Given

y+2=-2x+10 Distributive Property

y=-2x+8 Subtraction Property of Equality

Artist 52 [7]3 years ago

4 0

Answer:

y = -2x + 8

About Point Slope Form:

Y -Y1 = m (x - X1)
m is the slope
Y1 & X1 is a point on the line
The form allows you to identify the slope & the point on the line

About Slope Intercept Form:

y = mx + b
b is the y-intercept
m is the slope

Problem:

y + 2 = -2(x - 5)

y + 2 = -2x + 10

-2 -2

y = -2x + 8

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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:

Step(i):-

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

Step(ii):-

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

Final answer:-

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

3 0

3 years ago

Read 2 more answers

A mirror that is 9 1/3 feet long is to be centered on a wall that is 12 feet long. How much space is there from the edge of the

Hatshy [7]

2 2/3
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6 0

3 years ago

A researcher gathered data on hours of video games played by school-aged children and young adults. She collected the following

antiseptic1488 [7]

Step-by-step explanation:

The complete frequency distribution table for the data has been attached to this response.

The frequency column contains values that are the number of times the given range of hours appear in the data. For example, numbers in the range 0 - 2 hours, appear 9 times in the data. Also, the numbers in the range 3 - 5 appear 6 times. The same logic applies to other ranges.

The relative frequency column contains the ratio of the number of times the given range of hours appear in the data, to the total number of outcomes. The total number of outcomes is the sum of all the frequencies on the frequency column. This gives 38 as shown.

So, for example, to get the relative for the numbers in the range 0-2, divide their frequency (9) by the total outcome or frequency (38). i.e

9 / 38 = 0.24

Also, to get the relative for the numbers in the range 3-5, divide their frequency (6) by the total outcome or frequency (38). i.e

6 / 38 = 0.16

Do the same for the other ranges.