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3 years ago

Find the slope of the line that passes through each pair of points.

Mathematics

1 answer:

ratelena [41]3 years ago

4 0

Answer:

1.8 2.1

Step-by-step explanation:

1. 2--6=8

-3--4=1

8/1=8

2. 5-2=3

-4--7=3

3/3=1

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You are making a walkway around part of a swimming pool. The dimensions of the swimming pool are 18 and 25, while the dimensions

vredina [299]

Answer:

$A = 4x^2 + 86x + 450$

Step-by-step explanation:

Given

$Walkway = x$

$Length = 18$

$Width = 25$

Required:

The area of the swimming pool

Assume the walkway will be on the 4 sides of the swimming pool.

The total length (L) of the swimming pool will be:

$L = 18 + x + x$

$L = 18 + 2x$

The total width (W) will be:

$W = 25 + x + x$

$W = 25 + 2x$

The area (A) is:

$A = L * W$

$A = (18 + 2x) * (25 + 2x)$

Expand bracket

$A = 18 * 25 + 18 * 2x + 25 * 2x + 2x * 2x$

$A = 450 + 36x + 50x + 4x^2$

$A = 450 + 86x + 4x^2$

Reorder

$A = 4x^2 + 86x + 450$

8 0

3 years ago

Find the value of 7 Y if 3 bracket Y - 1 bracket is equal 21

lawyer [7]

Answer:

$7y = 56$

Step-by-step explanation:

$3(y - 1) = 21$

Divide 3 on both sides:

$y - 1 = 7$

Add 1 to both sides:

$y = 8$

Multiply by 7 on both sides:

$7y = 56$

8 0

3 years ago

What are the solutions to the equation: <img src="https://tex.z-dn.net/?f=2%20%7Bx%7D%5E%7B2%7D%20%20-%204x%20%2B%205%20%3D%

Orlov [11]

Answer: I don't know what you wanted to be solved, but, I solved for x

Step-by-step explanation:

Solved for x

x=(2\pm i\sqrt(6))/(2)

7 0

3 years ago

Read 2 more answers

................... 8x-0.2=9.8

mario62 [17]

Answer:

I love algebra anyways

The ans is in the picture with the steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Performance scores are collected for 10 individuals and those scores are 17 12 20 11 8 18 17 9 12 and 15. Find where X sub i rep

Elden [556K]

Step-by-step explanation:

x=10-20x567++dfggyjkkvd

3 0

2 years ago