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Softa [21]
3 years ago
12

Which of these ordered pairs is a solution to the linear inequality y – 3x ≤ –8?

Mathematics
2 answers:
marysya [2.9K]3 years ago
6 0
C is correct. (1,-5)

-5 - 3(1) =
-5 + - 3 = -8

Kobotan [32]3 years ago
5 0

Answer:

C. (1, -5)

Step-by-step explanation:

If the ordered pair is a solution to the system, then it must satisfy the equation.

The given linear inequality is,

y-3x \leq -8

A. (-2, 4)

\Rightarrow 4-3(-2) \leq -8

\Rightarrow 4+6 \leq -8

\Rightarrow 10\nless -8

So it is not the solution to the system.

B. (1, 3)

\Rightarrow 3-3(1) \leq -8

\Rightarrow 3-3 \leq -8

\Rightarrow 0\nless -8

So it is not the solution to the system.

C. (1, -5)

\Rightarrow -5-3(1) \leq -8

\Rightarrow -5-3 \leq -8

\Rightarrow -8\leq -8

As it satisfies the equation, so it is the solution of the system.

D. (3, 4)

\Rightarrow 4-3(3) \leq -8

\Rightarrow 4-9 \leq -8

\Rightarrow -5\nless -8

So it is not the solution to the system.

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Step-by-step explanation:

I just did 86400 x 8

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5 0
3 years ago
Write the point from of the equation for a line that passes through (6,—1) with a slope of 2
Paraphin [41]

Answer:

y = 2x-13

Step-by-step explanation:

The equation for a line is

y = mx+b where m is the slope and b is the y intercept

y = 2x+b

We know a point so we have a y and an x, so we can solve for b

-1 = 2(6) +b

-1 =12+b

Subtract 12 from each side

-1-12 = 12-12+b

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Substitute this into y = 2x+b

y = 2x-13

7 0
3 years ago
Read 2 more answers
Need help idk how to slove this
Gemiola [76]

Hi!

I'm not sure how to slove this, but I do know how to solve it ;D

<h3>We can't know the exact value of y, but we can isolate y on one side. First, multiply by z on both sides. </h3>

\frac{x+y}{z*z}=3*z

x + y = 3 * z

<h3>Now subtract x from both sides.</h3>

x - x + y = 3 * z - x

<u>y = 3 * z - x</u>

<h2>The answer is y = 3 * z - x</h2>

Hope this helps! :)

-Peredhel

8 0
3 years ago
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Is 61/100 bigger than, less than, or equal to 2/5
sergey [27]
\dfrac{2}{5}=\dfrac{40}{100}

so \dfrac{61}{100} is bigger
5 0
4 years ago
Please helpppppppppp!
Keith_Richards [23]

Answer:

9

Step-by-step explanation:

The range of a data set is the largest number minus the smallest number. so it would be 9-0= 9

hope this helps!!

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7 0
3 years ago
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