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Olegator [25]
2 years ago
13

Find the equation of the line that passes through the points (8,-5) and (4,3)

Mathematics
1 answer:
Vlada [557]2 years ago
6 0

y=a(x - h)^2+k

standard form: y= - 1/2x^2+4x-5

vertex form: y= -1/2(x - 4)^2+3

slope m and y-intercept b

slope: -2

y-intercept:(0,11)

so the answer is A. your welcome

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Solve this by substitution
frozen [14]

Answer:

y= 1 and x=-2

Step-by-step explanation:

Since they both equal y, you can equal them to each other:

x + 3 = 2x + 5

Then solve:

x - x + 3 = 2x - x + 5

3 - 5 = x + 5 - 5

-2 = x

Substitute x in either equation to solve for y:

y = (-2) +3

y = 1

Or the other equation:

y = 2(-2) + 5

y = -4 + 5

y = 1

hope this helps :)

6 0
2 years ago
Please help please please I’ll give brainly please pleas s
Vikki [24]

Answer:

1. The y-intercept is 10

2. The slope-intercept is -2

Step-by-step explanation:

1. The y-intercept is 10 because when the x-intercept is 0 the y-intercept should be on the other side.

2.  (2,6) and (-1,12)

slope=rise/run= the change of y/the change of x=m=y2-y1/x2-x1

         1. change of x=-1-2=-3  and change of y= 12-6=6

         2. 6/-3= -2

     

hope this helps <3

4 0
2 years ago
What is the volume of a right pyramid with base area B=8ft^2 and height h=12 ft
vivado [14]

Answer:

The volume would be 31 cubic feet.

Step-by-step explanation:

To find this, use the formula for the area of a right pyramid.

A = 1/3bh

A = 1/3(8)(12)

A = 1/3(96)

A = 32

7 0
3 years ago
Victoria bought a jacket in the sale which had 20% off. If it cost ?36 on sale what did it cost before the sale?
Basile [38]

Answer:

The jacket costs $45

Step-by-step explanation:

In order to find this, notice that the price of the sale represents 80% of the total cost. This is because we took 20% away with the sale. Now we can find the overall amount by dividing the sale cost by the amount it represents.

$36 / 80% = $45

7 0
3 years ago
Use the number line to add the fraction.
VLD [36.1K]

D 1/10

hope it helps!

4 0
2 years ago
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