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nataly862011 [7]
2 years ago
9

The Point located at open ( 3, –1 ) is reflected across the y-axis what are the coordinates of the reflected point

Mathematics
1 answer:
AfilCa [17]2 years ago
6 0

Answer:

(-3, -1)

Step-by-step explanation:

As its reflected across the y-axis  the y coordinate remains the same but the new x-coordinate is the opposite value.

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A 10ft by 20ft rectangular swimming pool is surrounded by a walkway of uniform width. If the total area of the walkway is 216ft^
Dmitry [639]

check the picture below.


so, we know the dimensions of the pool, is a 20x10, so its area is simply 200 ft², and we know the walkway is 216 ft², so the whole thing, including pool and walkway is really 200 + 216 ft².


now, as you see in the picture, the dimensions for the combined area is 20+2x and 10+2x, since the walkway is "x" long, therefore,


\bf \stackrel{length}{(20+2x)}\stackrel{width}{(10+2x)}=200+216\implies \stackrel{FOIL}{4x^2+60x+200}=200+216 \\\\\\ 4x^2+60x=216\implies \stackrel{dividing~by~4}{x^2+15x=54} \\\\\\ x^2+15x-54=0\implies (x+18)(x-3)=0\implies x= \begin{cases} -18\\ \boxed{3} \end{cases}


notice, it cannot be -18, since is a positive length unit.

5 0
2 years ago
Read 2 more answers
1,2,5,10,17 What is the pattern
amm1812

Answer:

Going up by odd numbers I’m pretty sure

Step-by-step explanation:

1-2 that went up once

2-5 that went up 3 times

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and so on

6 0
3 years ago
A basketball player that shoots 80% from the free throw line attempts two free throws. The notation for conditional probability
taurus [48]

Answer:

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Step-by-step explanation:

Here given that a basketball player that shoots 80% from the free throw line attempts two free throws.

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P(A/B) = P(A)

Hence answer is

P(made 2nd attempt|made 1st attempt)=P(made 2nd attempt)


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wariber [46]
<span>2 • (7v + 11) over  4 is your answer :)</span>
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3 years ago
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pychu [463]

Hello. I could help you with this question because i'm actually learning that too. Just create another question showing the entire graph so that I could help you.

7 0
2 years ago
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