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3 years ago

12

the perimeter of a rectangle poil is 72 feet. the length of pool is 4 ft. more than three times the width. what is the length an

d width of the pool?

1 answer:

Scilla [17]3 years ago

5 0

Width = 8 ft
Length = 28 ft<span />

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I am having a conflict with my family what is 7-1×0+3÷3 = ?

ryzh [129]

Follow PEMDAS.

Parenthesis
Exponents
Multiplication & Division
Addition & Subtraction

Alright, do multiplication first, then division. Then, do subtraction then addition.

$7-1*0+3/3= \\ 7-0+3/3= \\ 7 - 0 + 1= \\ 7 + 1 = 8 \\ 7-1*0+3/3 =8$

Hope this helped!

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3 years ago

What are the focus and directrix of the parabola that is the graph of the function f(x)=x²?

Hitman42 [59]

Answer:

Step-by-step explanation:

Given

$y=x^2$

comparing it with standard equation $x^2=4ay$

so 4a=1

$a=\frac{1}{4}$

so Focus of parabola is (0,0)

directrix

y=-a

here $a=\frac{1}{4}$

$y=-\frac{1}{4}$

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3 years ago

What is the solution to the equation 3 square root x+4+3 square root 2x+8=0? x = –12 x = –4 x = 4 x = 12

Gre4nikov [31]

Answer:

x=-4

Step-by-step explanation:

3 0

3 years ago

Convert 5280 vodas to pivos. Show three significant figures for your answer.

Finger [1]

(5280 vodas) * (1/2.71828 moloko/voda) * (1/3.1416 pivo/moloko) ≈ 618 pivos

(because 5280 has 3 significant digits)

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3 years ago

Simplify (2x+3y)+(7x-3y)

Radda [10]

(2x+3y)+(7x-3y) First, group like terms together, so (2x+7x) + (3y-3y). Then simplify within the parentheses. 2x+7x = 9x and 3y-3y = 0, so you have 9x, which cannot be simplified any further. The answer is 9x.

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3 years ago

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