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8090 [49]
2 years ago
12

Which is the solution to the system of equations graphed below?

Mathematics
2 answers:
e-lub [12.9K]2 years ago
7 0

Answer:  B. (2,4)

Step-by-step explanation:

From the given graph it can be seen that the two lines are intersecting at (2,4), therefore  the solution to the system of equations graphed must be (2,4).

Or we can check by elimination method.

The given system :

y = x + 2.......................(1)\\\\y = 3x-2..........................(2)

Subtracting (1) from (2), we get

0=2x-4\\\\\Rightarrow\ 2x=4\\\\\Rightarrow\ x=2

Now substitute the value of x in (1), we get

y=2+2=4

Hence, the solution of the given system is (2,4)

MakcuM [25]2 years ago
3 0

Answer:

i think its D or B but im pretty sure its D

Step-by-step explanation:


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At Scott's Laundromat, the washing machines accept only quarters and
Y_Kistochka [10]

Answer:

8 quarters and 12 nickles

Step-by-step explanation:

8*25=2.00

12*.05=.60

4 0
3 years ago
HELP I NEED HELP ASAP
ValentinkaMS [17]
Answer: B

Explanation:
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4 0
2 years ago
The equation $y=-4.9t^2+3.5t+5$ describes the height (in meters) of a ball thrown upward at $3.5$ meters per second from $5$ met
Georgia [21]

Answer:

Step-by-step explanation:

The position function is

s(t)=-4.9t^2+3.5t+5 and if we are looking for the time t it takes for the ball to hit the ground, we are looking for the height of the ball when it is on the ground. Of course the height of anything on the ground is 0, so if we set s(t) = 0 and solve for t, we will find our answer.

0=-4.9t^2+3.5t+5 and factor that however you are currently factoring in class to get that

t = -.71428 seconds or

t = 1.42857 seconds (neither one of those is rational so they can't be expressed as fractions).

We all know that time will never be a negative value, so the time it takes this ball to hit the ground is

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4 0
2 years ago
Which expression is equivalent to 4x2 + 9x – (x – 3)2 + 11?
Zanzabum
4x^2+9x-(x^2-6x+9)+11
4x^2+9x-x^2+6x-9+11
3x^2+15x+2
4 0
3 years ago
Pleasd help me solve
krok68 [10]

Step-by-step explanation:

y = 2x

if x = 1 y = 2(1) = 2

if x = 2 y = 2(2) =4

4 0
2 years ago
Read 2 more answers
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