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MArishka [77]
2 years ago
8

Pls help it’s due by midnight

Mathematics
1 answer:
dsp732 years ago
3 0

Answer: 12. 1.25 = slope

              13. -1/2 = Slope

              14. Take two points from the line on the graph and then use the slope formula, y2 - y1/x2 - x1 to get your slope.

              15. Use the points in the equation y2 - y1/x2 - x1 to get your slope. Remember to simplify.  

Step-by-step explanation:

12. = -6 - 9/ -8 - 4 = 1.25 = slope

13.  =-10 - (-3)/9 - (-5) = -1/2 = Slope

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If x and y are integers greater than 1, is x a multiple of y ? (1) \small 3y^{2}+7y=x (2) \small x^{2}-x is a multiple of y. Sta
Nata [24]

Answer:

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Step-by-step explanation:

A multiple of a number is obtained after multiplying the number by an integer.

Here,

x, y are any two integers greater than 1,

(1) We have,

\small 3y^{2}+7y=x

\implies y(3y+7) = x

∵ y is an integer ⇒ 3y + 7 is also an integer,

⇒ y × an integer = x

That is, when we multiply y by a number we obtain x,

∴ x is a multiple of y.

Thus, statement (1) ALONE is sufficient.

(2),

\small x^{2}-x\text{ is a multiple of y}

I.e.

y\times a = x^2-x, where a is an integer,

\implies y\times a = x(x-1)

∵ x and x - 1 are disjoint numbers,

There are three possible cases,

Case 1 : x is multiple of y

Case 2 : (x-1) is a multiple of y,

Case 3 : neither x nor x - 1 are multiple of y but their product is multiple of y,

Thus, statement (2) is not sufficient.

8 0
3 years ago
Which statements about the value of the digits in the number 6,666,666 are true? Choose all answers that are correct. A. The dig
Degger [83]
I chose the answer A
3 0
3 years ago
Let f(x) = 3x - 7 and g(x) = -2x -6. Find (f x g)(4)<br> Include steps please.
stira [4]
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5 0
3 years ago
7 = 2g + 5<br><br> pleas help... lolz
Luden [163]

Answer:

2 times 1 = 2 and then plus 5 = 7

Hope this helped (-;

7 0
3 years ago
which ordered pairs in the form (x, y) are solutions to the equation 3x−4y=21 ? Select each correct answer. (−1, −6) (−3, 3) (11
Valentin [98]

Answer:

see explanation

Step-by-step explanation:

To determine which ordered pairs are solutions to the equation

Substitute the x and y values into the left side of the equation and if equal to the right side then they are a solution.

(- 1, - 6)

3(- 1) - 4(- 6) = - 3 + 24 = 21 = right side ← thus a solution

(- 3, 3)

3(- 3) - 4(3) = - 9 - 12 = - 21 ≠ 21 ← not a solution

(11, 3)

3(11) - 4(3) = 33 - 12 = 21 = right side ← thus a solution

(7, 0)

3(7) - 4(0) = 21 - 0 = 21 = right side ← thus a solution

The ordered pairs (- 1, - 6), (11, 3), (7, 0) are solutions to the equation

3 0
3 years ago
Read 2 more answers
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