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Troyanec [42]
3 years ago
9

Help me please 52 pts will mark brainlist

Mathematics
2 answers:
labwork [276]3 years ago
3 0

Answer:

D 7x( x^2y) ^1/3

Step-by-step explanation:

5x (x^2y)^1/3 +2 (x^5y)^1/3

We can simplify the second term

2 (x^5y)^1/3 = 2 (x^3 * x^2y) ^1/3

We know that (a*b) ^c = a^c * b^c

2 (x^3 * x^2y) ^1/3 = 2 (x^3 )^1/3*( x^2y) ^1/3

                                 2*x*( x^2y) ^1/3

Replacing this into the original equation

5x (x^2y)^1/3 +2x( x^2y) ^1/3

The term inside the cube root is the same, so we can add the terms on the outside

(5x+2x) 2x( x^2y) ^1/3

(7x)( x^2y) ^1/3

xeze [42]3 years ago
3 0

Answer:

Option 4

Step-by-step explanation:

5x(x²y)^⅓ + 2(x²y × x³)^⅓

5x(x²y)^⅓ + 2x(x²y)^⅓

7x(x²y)^⅓

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Setler [38]
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3 years ago
What is the slope of the line that passes through the points ( − 1 , − 7 ) (−1,−7) and ( 1 , − 13 ) (1,−13)? Write your answer i
Paraphin [41]

Answer:

y = -3x -10

Step-by-step explanation:

Slope-intercept formula: \frac{y_2-y_2}{x_2-x_1}

Find slope of  (−1, −7) and (1, -13)

\frac{y_2-y_2}{x_2-x_1}\\\\\\frac{-13-(-7)}{1-(-1)}\\\\\\frac{-6}{2}\\\\\-3

y = mx + b

y = -3x +b

y = -3x +b\\-7 = -3(-1) + b\\-7 = 3 +b\\-3   -3\\-10 = b

y = -3x -10

Hope this helps!

3 0
2 years ago
-3.5 + x7= -5.2<br><br><br> pls answer
noname [10]
X=-17/70

your welcome
8 0
3 years ago
there are $3.90 worth of nickles and quarters in a piggy bank. there are 6 more quarters than nickels. how many coins are in the
Murrr4er [49]

Answer:

8 nickels and 14 quarters

Step-by-step explanation:

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3 years ago
A garden is in the shape of a square with a perimeter of
ElenaW [278]

The perimeter of a square is the sum of its sides and they are all equal, so to obtain the length of each of them we divide the perimeter of the first fence between 4:

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 P1= 16 feet

 Then, the length of each side of the second fence will increase 2 feet at each end, as shown in the figure. We have then that the perimeter of the second fence is:

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 The sum of the perimeters of both fences is:

 PT = P1 + P2

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 Total cost = 1.17 $ x 144 feet

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 The total cost of the fences was $ 168.48

6 0
3 years ago
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