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zavuch27 [327]
3 years ago
12

What’s the greatest common factor of 14b^3+21b^2-42b

Mathematics
1 answer:
sattari [20]3 years ago
3 0

7 b ( 2 b^ 2 + 3 b − 6 )

Step-by-step explanation:

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Find the dimensions of a rectangle with perimeter 112 m whose area is as large as possible. step 1 if a rectangle has dimensions
Veronika [31]


Please use the solution below:
Let P = perimeter, A = area
As provided above, a = xy and 
We know that the formula to solve for the perimeter of a rectangle is P = 2x + 2y. Using the given 112m, we can solve the perimeter using the formula:
112 = 2x + 2y
56 = x + y

x = 56-y or y = 56-x
Let's solve the perimeter in terms of y using the formula below:
A = (56-y)(y)
Find the derivative of A = 56-y^2 to get the value of y.
dA/dy = 56-2y = 0
y = 56/2
y = 28
To find X, substitute the value of y in the equation x = 56 - y. 
x = 56 - 28
Therefore, x = 28.
We can conclude that the figure is not a rectangle but a square.
7 0
3 years ago
Find the HCF of<br> x^2y and x
3241004551 [841]

The highest common factor of x^2 y and x is \boxed{x}

6 0
2 years ago
Which of the graph of f(x)=x-1/x^2-x-6
Alik [6]

Answer:

a on edge

Step-by-step explanation:

3 0
3 years ago
In a box of marbles, the ratio of red marbles to total marbles is 2:5. the ratio of green marbles to total marbles is 3:10. if t
STALIN [3.7K]
Ratio:

Red : Total 
  2   :    5
 (x2)    (x2)
  4   :   10

Green : Total
  3   :       10

Total of red and green marbles = 4 + 3 = 7

Blue marbles = 10 - 7 = 3

10 parts = 40 marbles
1 part = 40 ÷ 10 = 4
3 parts = 4 x 3 = 12

Answer: There are 12 blue marbles.
7 0
3 years ago
In our solar system 6 of the 8 planets have moons what is the percentage of the planet have moons
umka2103 [35]
75% for your help:)…….
8 0
2 years ago
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