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3 years ago

The line of the line below is -4 use the coordinates of the labeled point to find a point slope equation of the line(4,-9)

Mathematics

1 answer:

marusya05 [52]3 years ago

7 0

Answer:

c. y + 9 = -4(x - 4)

Step-by-step explanation:

According to the Point-Slope Formula, y - y₁ = m(x - x₁), all the negative symbols give the OPPOSITE terms of what they really are, so be EXTREMELY careful.

I am joyous to assist you anytime.

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What is are the solutions to | x+4 |= 3x-5?

bonufazy [111]

Answer:

x = $\frac{9}{2}$

Step-by-step explanation:

The absolute value always returns a positive value but the expression inside can be positive or negative, that is

x + 4 = 3x - 5 ( subtract 3x from both sides )

- 2x + 4 = - 5 (subtract 4 from both sides )

- 2x = - 9 ( divide both sides by - 2 )

x = $\frac{9}{2}$

-(x + 4) = 3x - 5

- x - 4 = 3x - 5 ( subtract 3x from both sides )

- 4x - 4 = - 5 ( add 4 to both sides )

- 4x = - 1 ( divide both sides by - 4 )

x = $\frac{1}{4}$

As a check

Substitute these values into the equation and if both sides are equal then they are the solutions

| $\frac{9}{2}$ + 4 | = | $\frac{17}{2}$ | = $\frac{17}{2}$

right side = $\frac{27}{2}$ - 5 = $\frac{17}{2}$

left side = right side , thus x = $\frac{9}{2}$ is a solution

check second solution

| $\frac{1}{4}$ + 4 | = | $\frac{17}{4}$ | = $\frac{17}{4}$

right side = $\frac{3}{4}$ - 5 = - $\frac{17}{4}$

right side ≠ left sides, hence not a solution

7 0

3 years ago

6. Elizabeth drew a rectangle on a coordinate grid. How could she transform the rectangle to produce an image that is not congru

marusya05 [52]

Answer:

C I think

Step-by-step explanation:

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3 years ago

I need help please my maths work my last one

Elodia [21]

Answer:

D. The median for the Golden Retrievers is greater than the median for the German Shepherds, but the range for the Golden Retrievers is less than the range for the German Shepherds.

Step-by-step explanation:

Golden Retrievers:

Median: 68

Range: 15

German Shepherds:

Median: 65

Range: 39

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3 years ago

Someone PLEASE help with the two I haven’t done yet. I don’t understand it.

fiasKO [112]

#15.
K = mv/2, bring the two over to the left side by multiplying.

2k = mv, divide m from the v, sine it shows m times v, and you get

V = 2k/m

Try doing the same thing in for #14. It's the same method.

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3 years ago

HELP WILL GIVE BRAINLIEST AND RATE!!!

3241004551 [841]

This is the correct answer.

4 0

3 years ago