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2 years ago

Write the equation for a line in slope-intercept form (y=mx+b) that

Mathematics

2 answers:

chubhunter [2.5K]2 years ago

6 0

The answer to it is y=-2x-1 good luck

dalvyx [7]2 years ago

3 0

Answer:

y = -2x - 1

Step-by-step explanation:

Parallel lines have the same slope, so the slope will also be -2.

Plug this slope and the given point into the equation y = mx + b and solve for b:

y = mx + b

5 = -2(-3) + b

5 = 6 + b

-1 = b

Then, plug this and the slope into the equation:

y = -2x -1 will be the equation

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What is the value of -8 (17-12) over -2(8-(-2)) A. -4 B. -2 C. 2 D. 4

Ivan

Answer:

C=2

Step-by-step explanation:

-8(17-12)= -8(5)= -40

then

-2(8-(-2))= -2(10) = -20

so then

-40/-20

=-2

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3 years ago

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3 years ago

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Between 10 pm and 7:45 am the water level in a swimming pool decreased by 13/16 inch. Assuming the constant rate how much did it

dsp73

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3 years ago

8x-5y=21 simultaneous linear equation 2x+9y=-5

olya-2409 [2.1K]

Answer:

$x=2$ and $y=-1$

Step-by-step explanation:

If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

For the given equations:

$8x-5y=21$ Equation:1

$2x+9y=-5$ Equation:2

Solving equation multiply equation 2 with 4 on both the sides

$8x+36y=-20$ Equation 3

Subtracting Equation:3 from Equation:1

$8x-5y-(8x+36y)=21-(-20)\\8x-5y-8x-36y=21+20\\-41y=41\\y=-1$

Putting value of 'y' in Equation:2 which will give the value of x

$2x+9y=-5\\2x+9(-1)=-5\\2x-9=-5\\2x=4\\x=2$

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3 years ago

Fiona, Peter and Angad share some sweets in the ratio 2:5:1. Fiona gets 26 sweets. How many did Angad get?

Ksju [112]

Answer:

13 sweets

Step-by-step explanation:

Fiona : Angad

2 : 1

26 : X

26/2 = X/1

X = 13

7 0

3 years ago