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tigry1 [53]
3 years ago
5

I need urgent help!!

Mathematics
2 answers:
Alex787 [66]3 years ago
8 0

Answer:

B

Step-by-step explanation:

x - 5/8 + 1/8 = 6/8 = -3/8 if u simplify

to simplify u need to see how many times it can be shrunk to do it

hope that helped

elena-s [515]3 years ago
6 0
Tha answer is B , very simple
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Find the slope and the y- intercept of the line
Rashid [163]
Standard form of a line is Y=mX+b

where m is slope

4x+2y=-6
2y=-4x-6
y=- 2x - 6

m= - 2 and y intercept is b=-6
4 0
3 years ago
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The equation of line v is y=9x+1. Line w is perpendicular to line v and passes through (3, – 2). What is the equation of line w?
Anna11 [10]

Answer:

Step-by-step explanation:

Remember the general form of a linear equartion: y=mx + b, where m is the slope and b is the y-intercept (the value of y when x = 0).

The equation of line v (y=9x+1) has a slope of 9. A perpendicular line with have a slope equal to the negative inverse of the reference line. So the line we want will have a slope of -(1/9). That gives us y = -(1/9)x + b. Any vale of b will produce a line that is perpendicular. But we want a line that goes through point (3,-2). All we need to do is find a value for b that will make that wish come true.

Use the point (3,-2) in y = -(1/9)x + b and solve for b:

y = -(1/9)x + b

-2 = -(1/9)*(3) + b

-2 = -(1/3) + b

b = - 1 2/3, or -(5/3)

The equation is y = -(1/9)x + - (5/3)

7 0
3 years ago
Part A: Virginia earned $14 walking her neighbors' dogs on Saturday. She earned some extra money on Sunday doing the same thing.
xxTIMURxx [149]

Answer:

Part A: V = 14y; Part B: y = 2x - 2  

Step-by-step explanation:

Part A: Virginia

 Let y = the number of dogs Virginia walked

and V = the money Virginia earned. Then

     V = 14y

Part B: Alicia

Let x = the number of dogs Alicia walked. Then  

    2x = twice the number of dogs Alicia walked and

2x - 2 = two less than twice the number of dogs Alicia walked. Then

      y = 2x - 2

 

7 0
3 years ago
Please I have a 8th grade math question
Soloha48 [4]
<h3>Answer:  2</h3>

==========================================================

Explanation:

x = number of years

y = height in feet

The equation for the first tree is

y = x+3

The slope is 1 to represent a rate of 1 ft per year of growth. The y intercept of 3 is the starting height. Refer to y = mx+b form.

For the second tree, the equation is:

y = 0.5x+4

This time we have a slope of 0.5 and a y intercept of 4.

Apply substitution to solve for x

y = x+3

0.5x+4 = x+3

0.5x-x = 3-4

-0.5x = -1

x = -1/(-0.5)

x = 2

The trees will be the same height in <u>  2  </u> years.

What will that height be? Plug x = 2 into either equation to find y. We should get the same y value.

y = x+3

y = 2+3

y = 5

Or we could say

y = 0.5x+4

y = 0.5*2+4

y = 1+4

y = 5

We've shown that both equations lead to y = 5 when x = 2. This means that at the 2 year mark, both trees are 5 feet tall. This helps confirm we have the correct x value.

8 0
2 years ago
Evaluate u+xy for u=13 x=10 and y=5
cricket20 [7]
BOI

13 + (10 x 5) = 13 + 50 = 63
5 0
4 years ago
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