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Elena-2011 [213]
3 years ago
11

I need step by step instructions on how to get the y-intercept for the following function:

Mathematics
1 answer:
Svetllana [295]3 years ago
4 0
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if 4 times a number is increased by 6, the result is less than 15 than the square of the number. find the number​
iren [92.7K]

Answer:

n = 7

n = -3

Step-by-step explanation:

4n+6 = n²-15

4n = n² - 21

n² - 4n - 21 = 0

(n-7)(n+3) = 0

n = 7

n = -3

7 0
2 years ago
Maggie purchased 8 pounds of ground beef for $18.00. Which of the following does NOT represent the same price per pound?
agasfer [191]

Answer: 5 pounds of ground beef ( don't see second :-( )

Step-by-step explanation: I found the unit rate per pound ( 2.25 ) and then multiplied that by the other pounds to compare the two prices and I only found 5 pounds to be incorrect, but I'll keep digging, hope this helps!

7 0
2 years ago
1. Solve the system of equations by graphing:
rjkz [21]

Answer:


Step-by-step explanation:

y = -3x - 3


m = -3_______


b = -3________  

y = 2x + 2


m = 2_______


b = _2_______


SOLVE NOW   :  -3x - 3  = 2x + 2


- 5x = 5

x = -1

subst in y : y = 2(-1)+2 = 0

the solution is : ( - 1 , 0 )

y = -3x- 3 an equation for the line 'red'    

y = 2x+2 an equation for the line 'bleus'


3 0
3 years ago
Four examples of parallel lines​
MatroZZZ [7]

Answer:

Step-by-step explanation:

Parallel line examples in real life are railroad tracks, the edges of sidewalks, marking on the streets, zebra crossing on the roads, the surface of pineapple and strawberry fruit, staircase and railings, etc

5 0
3 years ago
Help help help im stuck...
Trava [24]
N,R and T,U. Both are at 90 degree angles.
8 0
2 years ago
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