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sweet-ann [11.9K]
3 years ago
12

Rationalize the denominator and simplify.

Mathematics
1 answer:
poizon [28]3 years ago
3 0

Answer:

\frac{a+4\sqrt{ay}+4y}{a-4y}

Step-by-step explanation:

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It takes 60 minutes for 7 people to paint 5 walls.
Eva8 [605]

Answer:

84  minutes

Step-by-step explanation:

7 people paint 5 walls in =60 minutes

=>1 people paint 1 walls in = (60X7)/ 5 minutes

=>10 people paint 10 walls in  = (60X7X10)/(5X10) minutes =84  minutes

3 0
3 years ago
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A shop sells candles in boxes of 3 for $12.60 each or 1 candle for $5.50. How many candles can Julia buy with $20?
kherson [118]

Answer: the number of scented candles ... x

the number of unscented candles ... y

x + y = 28

$16 * x + $10 * y = $400  ... 16 * x + 10 * y = 400

Step-by-step explanation: This is the equation

16 * (28 - y) + 10 * y = 40016 * 28 - 16 * y + 10 * y = 400448 - 400 = 16 * y - 10 * y48 = 6 * y    /6y = 48 / 6y = 8x = 28 - y = 28 - 8 = 20Result: The candle shop sold 20 scented candles and 8 unscented candles today.

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4 0
4 years ago
GIVING BRIANLEST TO BEST ANSWER
Nitella [24]

Answer:

$24.50

Step-by-step explanation:

i did the math

4 0
3 years ago
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Select all of the equations that represent linear relationships. 5 + 2y = 13 y = 1/2x^2+7 y – 5 = 2(x – 1) y/2 = x + 7 x = –4
Luden [163]

Answer:

FIRST OPTION.

THIRD OPTION.

FOURTH OPTION.

FITH OPTION.

Step-by-step explanation:

The equation of the line in slope-intercept form is:

y=mx+b

Where m is the slope, b the y-intercept and the exponent of x is always 1 or 0.

Solve for y from  the equations shown below:

5+2y=13\\2y=8\\y=4

(In this linear function the slope is 0)

y-5=2(x-1)\\y=2x-2+5\\y=2x+3

(It is a linear function)

\frac{y}{2}=x+7\\ y=2(x+7)\\y=2x+14

 (It is a linear function)

Equation of the line whose slope is not defined:

x=-4

5 0
3 years ago
Solve the system of equations by using substitution. Show ALL of your work. y=-2x y= 8x - 10 You can check your final answer by
son4ous [18]

Answer:

i dont know but i hope you found the answer

Step-by-step explanation:

....???

6 0
3 years ago
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