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frutty [35]
3 years ago
8

Following data, what would be the value of y?

Mathematics
2 answers:
Allisa [31]3 years ago
4 0

Answer:

D

Step-by-step explanation: D

Likurg_2 [28]3 years ago
4 0
The answer is A. Hope this helps.
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- K2 - (2k –5n) + 9n; k= -1 and n= - 3
NNADVOKAT [17]

Answer:

-41

Step-by-step explanation:

Given:

-k^2 -(2k -5n) +9n ; k = -1 \space \text{and} \space n = -3

-(-1)^2 -(2(-1) -5(-3)) +9(-3) \\ -(-1)^2 -(-2+15) +9(-3) \\ -(-1)^2 -(13) +9(-3) \\ -(1) -13 +9(-3) \\ -1 -13 -27 \\ -41

7 0
3 years ago
Read 2 more answers
Consider the following set of equations:
Anna007 [38]
1.
-3y=-3x-9 \\
y=x+3 \\ \\
\hbox{substitute x+3 for y in the first equation:} \\
-3(x+3)=-3x-9 \\
-3x-9=-3x-9 \\
-3x+3x=-9+9 \\
0=0 \\
always \ true \\ \\
\boxed{\hbox{infinitely many solutions}} \Rightarrow "infinite \ solutions"

2.
y=x+4 \\
y=3x+6 \\ \\
y=y \\
\boxed{x+4=3x+6} \Leftarrow \hbox{the step} \\
x-3x=6-4 \\
-2x=2 \\
x=\frac{2}{-2} \\
x=-1 \\ \\
y=x+4 \\
y=-1+4 \\
y=3 \\ \\
(x,y)=(-1,3)
3 0
4 years ago
Read 2 more answers
A signalized intersection has a cycle length of 60 seconds and an effective red time of 25 seconds. The effective green time is
alexandr402 [8]

Answer:

effective green time = 35 seconds

Step-by-step explanation:

given data

cycle length = 60 seconds

effective red time = 25 seconds

solution

we get here  effective green time that is express as

effective green time = cycle length  - effective red time   ...........................1

put here value and we will get

effective green time = 60 seconds - 25 seconds

effective green time = 35 seconds

3 0
3 years ago
I hatte math so much
Pavlova-9 [17]

me too but i think the answer would be F.

4 0
3 years ago
What is the slope of the line through ( 3 , 6 ) and ( 4 , 2 )?
Sophie [7]

Answer:

-4

Step-by-step explanation:

To find the slope you have to find the change in y over the change in x:

2 - 6 / 4 - 3 = -4 / 1 = -4 - slope

Hope this helps!!

7 0
3 years ago
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