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nexus9112 [7]
3 years ago
15

Can somebody solve this solution

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
6 0

Answer:

x=0, y=-3; (0,-3)

Step-by-step explanation:

3x+2y=-6\\y=2x-3

(Use substitution)

3x+2(2x-3)=-6

(Distribute)

3x+4x-6=-6

(Solve)

7x=0\\x=0

(Plug into the original equation and solve for y)

y=2x-3\\y=2(0)-3\\y=-3

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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

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

1.42857 seconds (round how you need to).

4 0
3 years ago
What are irrational numbers? give examples.​
sertanlavr [38]
√2, √3, √5, √11, √21, π(Pi) are all irrational.
8 0
3 years ago
Read 2 more answers
A parking lot is 100 yards long what is the length off 3/4if the parking lot
andriy [413]
I think you mean:
A parking lot is 100 yards long. What is the length of 3/4 of the parking lot?

3/4 * 100            Mathematical Expression.

3/1 * 25              Simplify.

75                       Multiply.

Final Answer: 75 yards long
4 0
3 years ago
Takashi Caldwell has health insurance that pays 80 percent of coverage charges after a $150 deductible. She received a statement
liq [111]

Subtract the deductible from the total:

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Takashi then needs to pay 20% of what is left.

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Studentka2010 [4]
The answer would be:


93
+75
-------
168
8 0
3 years ago
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