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3 years ago

8

The length of Bill’s backyard swimming pool is 60 feet longer than the width of the pool. The surface area of the water is 1600

square feet. What is the width and length of the pool?

1 answer:

krok68 [10]3 years ago

4 0

The width is 20 feet

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Which of the following are solutions to the quadratic equation? Check all that

Firlakuza [10]

Answer:

$\boxed{\sf \ \ \ x=-9 \ \ or \ \ x=2 \ \ \ }$

Step-by-step explanation:

hello,

$2x^2+7x-14=x^2+4\\ 2x^2+7x-14-x^2-4=0\\ x^2+7x-18=0\\x^2-2x+9x-18=0\\ x(x-2)+9(x-2)=0\\ (x+9)(x-2)=0\\ x+9 = 0 \ \text{or} \ x-2=0\\ x = -9 \ \text{or} \ x=2$

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3 years ago

<4 and <5 are suplementary angles. if m<4=76 degree then m<5=?

Yuri [45]

Answer:

.

Step-by-step explanation:

5 0

3 years ago

Pls help and show workings

andreev551 [17]

Answer: x = 11

Step-by-step explanation:

same as the last question, set them as equal and solve. here's my work:

<em>5x - 1 = 4x + 10</em>

<em>5x - 1 (+ 1) = 4x + 10 (+ 1)</em>

<em>5x = 4x + 11</em>

<em>5x (- 4x) = 4x (- 4x) + 11</em>

x = 11

8 0

3 years ago

Can you help me plz

Doss [256]

Answer: y = 6

Explanation:

Find area of 1 square:

180/5 = 36

Find the side length of the square:

Sqrt 36 = 6

4 0

3 years ago

Read 2 more answers

You practice playing your guitar every day. You spend 15 minutes practicing chords and the rest of the time practicing a new son

Black_prince [1.1K]

Answer:

<h2>x=(y-105)/7</h2>

Step-by-step explanation:

Given that the total time taken to practice is given by the expression as

y=7(15+x)

Simplifying the expression we have

y=105+7x

Solving for x (that is making x subject of formula we have)

7x=y-105

Divide both sides by 7 we have

x=(y-105)/7

Therefore the expression is

x=(y-105)/7

5 0

3 years ago