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3 years ago

HELP MEPLEASE IM DESPO

Mathematics

1 answer:

aliina [53]3 years ago

4 0

Answer:

Step-by-step explanation:

area of square: 16

area of circle: 12.57

12.57/16 = x/100

x=78.56

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The floor of a rectangular deck has an area of 600 square feet. The floor is 20 feet wide. How long is the floor? A. 30 ft. B. 2

svetoff [14.1K]

<span>A. 30 ft
The formula for the area of a rectangle is width x length = area. Knowing this formula, we can solve for the length by dividing the area by the width. 600 divided by 20 is 30.</span>

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3 years ago

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Two in-line skaters, Nell and Kristin, start from the same point and skate in the same direction. Nell skates at 16 miles per ho

Paha777 [63]

First, we count how far reached the Nell:
3,5 * 16 = 56 miles

Secondly, we count how far reached the Kristin:
3,5 * 18 = 63 miles

Now we expect the difference in the distance between them:
63 - 56 = 7 miles

The results that Kristin about seven miles driven more than Nell.

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3 years ago

The summer has ended and it’s time to drain the swimming pool. 20 minutes after pulling the plug, there is still 45 000L of wate

kap26 [50]

Answer:

there were 63,000L of water initially in the pool

Step-by-step explanation:

do 900L times the first 20 minutes to find out how much water was drained during the first 20 minutes and you get 18,000L drained

then, add 18,000L plus the rest of the 45,000L of water drained from the pool to get 63,000L of water intially in the pool

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3 years ago

Give an example of a rational function that has a horizontal asymptote at y = 1 and a vertical asymptote at x = 4.

Greeley [361]

Answer:

Possibility 1: $\frac{(x+1)(x+1)}{(x-4)(x+5)}$

Possibility 2: $\frac{(x+1)(x+3)(x-3)}{x(x-4)(x+5)}$

Possibility 3: $\frac{-4(x-4)(x+1)}{-4(x-4)(x-4)}$

There are infinitely many more possibilities.

Step-by-step explanation:

So we are looking for a fraction in terms of x.

We have a horizontal asymptote so that means the degree of the top has to equal to degree of the bottom. It is also at y=1 which means the coefficient of the leading term on top and bottom must be the same (but not zero) since the same number divided by the same number is 1.

Now we also have a vertical asymptote at x=4 which means we need a factor of x-4 on bottom.

So there is a lot of possibilities. Here are a few:

Possibility 1: $\frac{(x+1)(x+1)}{(x-4)(x+5)}$

You have the degrees are the same on top and bottom and the leading coefficients are the same. You also have that factor of (x-4) on bottom.

Possibility 2: $\frac{(x+1)(x+3)(x-3)}{x(x-4)(x+5)}$

Possibility 3: $\frac{-4(x-4)(x+1)}{-4(x-4)(x-4)}$

Now a factor of (x-4) can be canceled here but you still have a factor of (x-4) left on bottom so you still have the vertical asymptote. You also still have the same leading coefficient on top and bottom (-4 in this case) and the same degree.

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3 years ago

2x + 5y = 3<br> Plz helpppp

soldi70 [24.7K]

Is this what you’re looking for
y=-2/5x+3/5

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3 years ago

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