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Pie
3 years ago
10

What is the slope of the line? -2 -1/2 1/2 2

Mathematics
1 answer:
vovikov84 [41]3 years ago
5 0

Answer:

\large\boxed{m=-\dfrac{1}{2}}

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

From the graph we have the points (2, 3) and (4, 2). Substitute:

m=\dfrac{2-3}{4-2}=\dfrac{-1}{2}=-\dfrac{1}{2}

Other method.

Look at the picture.

m=\dfrac{\Delta y}{\Delta x}

\Delta y=-1\\\\\Delta x=2

Substitute:

m=\dfrac{-1}{2}=-\dfrac{1}{2}

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Using the graph below, find the point(s) such that the sum of their coordinates is equal to 7.
gregori [183]

Answer:

Only A, B and C are the points whose coordinates are equal to 7.

Step-by-step explanation:

Considering the point A

As the location of point A is (0, 7)

The sum of their coordinates is equal to 0 + 7 = 7

Considering the point B

As the location of point B is (2, 5)

The sum of their coordinates is equal to 2 + 5 = 7

Considering the point C

As the location of point C is (6, 1)

The sum of their coordinates is equal to 6 + 1 = 7

Considering the point D

As the location of point D is (4, -3)

The sum of their coordinates is equal to 4 + ( -3 ) = 1

Considering the point E

As the location of point E is (1, -6)

The sum of their coordinates is equal to 1 + ( -6 ) = -5

Considering the point F

As the location of point F is (-2, -4)

The sum of their coordinates is equal to -2 + ( -4 ) = -2 - 4 = -6

Considering the point G

As the location of point F is (-5, -2)

The sum of their coordinates is equal to -5 + ( -2 ) = -5 - 2 = -7

Considering the point H

As the location of point H is (-4, 3)

The sum of their coordinates is equal to -4 + ( 3 ) = -4 + 3 = -1

From the above discussion, only A, B and C are the points whose coordinates are equal to 7.

7 0
3 years ago
Please help! Will mark brainliest
kobusy [5.1K]

Answer:

B. 15"

Step-by-step explanation:

a^{2}+b^2=c^2\\9^2+12^2=c^2\\81+144=c^2\\225=c^2\\\sqrt{225} = 15

7 0
3 years ago
Anyone know the answer to all of them added together
Evgesh-ka [11]

Answer:

13x + 14

Step-by-step explanation:

5x + 6 + 3x = 8x + 6.

8x + 6 + x + 1 + x + 1 + 2= 10x + 10

10x + 10 + (2²)(i think) = 10x + 14

10x + 14 + 3x = 13x + 14

final answer

3 0
2 years ago
Read 2 more answers
In this bar how many groups of 80 make 60
bezimeni [28]

1.3 because you divide 80 and 60


7 0
3 years ago
The graph of a polynomial is shown below. Between which two x-values does this polynomial have an extreme value?
stiv31 [10]

Answer:

C.-3 to -2

Step-by-step explanation:

From the picture attached, it can be seen that an extreme value, that is, a maximum of the polynomial is found between x = -3 and x = -2. In this extreme point, the polynomial has an approximate value of 4.5

7 0
3 years ago
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