MATHEMATICS HIGH SCHOOL

What is the slope of a line perpendicular to the line whose equation is 2y=-6x+8 1)-3
2)1/3
3)1/6
4)-6

Answers

Answer 1

Answer:

2y=-6x+8

First, the slope of any equation, is always the coefficient with the variable "x".

So, the slope for this line, is -6x.

To get rid of the coefficient with y, we need to divide 2, from both sides of the equal sign.

2y=-6x+8

y=-3+4

Now that we have our new equation, we can see that the slope of our line has also changed, from -6x to-3x. Because -6÷2=-3.

And to find the perpendicular slope, you change the reciprocal of the slope so from -3 to 1/-3 and then you change the sign of the slope so from 1/-3 to 1/3. That is your final answer.

The answer is 2) 1/3.

Answer 2

Answer: Your supposed to get Y by its self. So do this- (-6x+8)/2You should get y=-3x+4So the slope would be -3 of the original line.The perpendicular slope would be the reciprical and opposite sign of it, so it should be 1/3. hope this helps

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Please help me I’ll will be marking brainliest please

Answers

Answer:

it would cost $34.50 to purchase 7.5 lbs of walnuts.

Answer:

$34.50

Step-by-step explanation:

First find out how much 1/4 of a lb will cost.

3.45/3= 1.15

This is the cost for only 1/4 a lbs of chopped walnuts. Take this number and multiply it by 4 to find how much it would cost for 1 whole pound of walnuts.

1.15x4= 4.60

It costs $4.60 for a whole pound of walnuts. If you are trying to find how much it costs for 7.5 lbs, then multiply 4.60 by 7.5.

4.60x7.5= 34.5

For 7.5 lbs of walnuts will cost $34.50

Find equations if the following lines: Line that is parallel to the graph of y = 3x – 2 and contains the point (-2,-5)

Answers

Y3to triangle pyramid -2

A= 1/2 bh solve for b

Answers

Answer:

b = $(2A)/(h)$

Step-by-step explanation:

Given

A = $(1)/(2)$ bh ( multiply both sides by 2 to clear the fraction )

2A = bh ( divide both sides by h )

$(2A)/(h)$ = b

Final answer:

The formula A = 1/2 bh is used to calculate the area of a triangle. To solve for 'b', you rearrange the formula by first multiplying both sides by 2 to get 2A = bh, then you divide both sides by 'h' so that 'b' stands alone, resulting in the formula: b = 2A/h.

Explanation:

In the given formula, A = 1/2 bh, it represents the area of a triangle where A is the area, b is the base, and h is the height. To isolate b, we need to rearrange the formula to solve for it. Here are the steps:

First, multiply both sides of the equation by 2 to get rid of the 1/2, giving you 2A = bh.
Then, divide both sides by h to isolate b which results in b = 2A/h.

So, if you want to solve for b, the rearranged formula is b = 2A/h.

Learn more about Solving for Variables here:

brainly.com/question/32610670

Raymond purchases concert tickets online for $43.50. There is a 3% processing fee. What is the total cost of the tickets? Round to the nearest cent. The actual answer is not 44.80 it’s 44.81 thanks anyway I guess I got it wrong though :(