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bagirrra123 [75]
3 years ago
9

Is (1,-1) a solution of y=3x+2

Mathematics
1 answer:
viva [34]3 years ago
7 0
In order to check a solution, just plug in the coordinates.  The 1 is x, and the -1 is the y.  Just plug the numbers in and see if it works out:

y = 3x + 2
(-1) = 3(1) + 2
-1 = 5

-1 is NOT equal to 5, so (1, -1) is NOT a solution of y = 3x + 2.
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The product of a number and -8 gives eight times the sum of that number and 36. Find that number
Viefleur [7K]

Answer:

-18

Step-by-step explanation:

Let x be our number. First we have to write our equation.

The product of a number and -8 is represented as -8x (-8 multiplied by x). Remember that 'product' signifies multiplication.

The result is eight times the sum of x and 36. This is represented as 8(x + 36). We add x and 36 first because 8 has been multiplied by the sum of those two numbers.

So our equation is:

-8x = 8(x + 36)

We can now solve for x. First, expand the bracket.

-8x = 8x + 288

Next, subtract 8x from both sides. This will give us only one term containing x, which will make it easier to solve.

-8x - 8x = 8x + 288 - 8x

-16x = 288

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3 0
3 years ago
Convert the angle 0=23/20 radians to degrees,
MrRa [10]

Answer:

207°

Step-by-step explanation:

3 0
2 years ago
In a triangle, Angle B is twice as large as Angle A. Angle C is five more than
Leona [35]

Answer:

<A = 35 degrees

Step-by-step explanation:

<A = x

<B = 2x

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5x = 180 -5

x = 175/5

x = 35

4 0
2 years ago
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