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2 years ago

Which of the following is an equation of a line perpendicular to the equation

Mathematics

1 answer:

TEA [102]2 years ago

4 0

I believe it would be c
This is because when you have to find a line that is perpendicular you have to flip the nominator and denominator and then change the sign so if it’s negative switch it to positive

I hope that makes sense and I hope it is right

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Solve 6x^2 - 42 = 0 for the exact values of x

GREYUIT [131]

Answer:

The values of x are

$x=-\sqrt{7} , x=\sqrt{7}$

Step-by-step explanation:

we have

$6x^{2}-42=0$

Solve for x

Adds 42 both sides

$6x^{2}-42+42=0+42$

$6x^{2}=42$

Divide by 6 both sides

$6x^{2}/6=42/6$

simplify

$x^2=7$

square root both sides

$x=\pm\sqrt{7}$

therefore

The values of x are

$x=-\sqrt{7} , x=\sqrt{7}$

6 0

3 years ago

Solve systems of three variable equations - how to do :(

krek1111 [17]

a= 6-2b-3c

then put that equation inside the first one and then the second one

you get -6*(6-2b-3c)+2b-3c=23

and 5*(6-2b-3c)+4b-3c=-12

14b-15c=59

14b-18c=18/*(-1)

--------------------

3b=41

7 0

2 years ago

A painter works 37.5 hours one week. If she worked 5 days, how many hours did she work on average per day? At $15.75 per hour, h

Lyrx [107]

She worked 7.5 hours a day on average. You can get this by dividing the 37.5 by 5.

And the average she made was 118.13 when rounded. You can get this by multiplying the 7.5 by the rate

8 0

3 years ago

I just need the answer

kumpel [21]

Answer:

it's B ;)

Step-by-step explanation:

A line segment has two endpoints; that is, it has a starting point and an ending point, much like a dead-end street. Bisector means to divide, not just in two, but in halves, or two equal parts. Therefore, a segment bisector is a point, a line, a ray, or a line segment that bisects another line segment.

6 0

3 years ago

Find the value of x in the triangle shown below.<br> Choose 1 answer:

Ad libitum [116K]

For the triangle, x is 12 units long.

Step-by-step explanation:

Step 1:

According to the Pythagorean theorem, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

The hypotenuse is the side which is the longest in the triangle and is always opposite the right angle.

In the given triangle, the hypotenuse is 13 units long. The other two sides measure 5 units and x units.

Step 2:

By substituting the known values, we get