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vodka [1.7K]
2 years ago
13

Simplify the expression (combine like terms): 6x + 12y + 5 + 2y + 8

Mathematics
2 answers:
sesenic [268]2 years ago
6 0
6x+14y+13 might be the answer.
ryzh [129]2 years ago
4 0

Answer:

6x + 14y + 13

Step-by-step explanation:

6x + 12y + 5 + 2y + 8 \\(6x ) + (12y + 2y) + (5 + 8) \\ 6x + 14y + 13

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Lerok [7]
Yup! We're all pretty good here. :)
8 0
3 years ago
Use the distributive property of multiplication to find 6×21 <br><br> Hint: 21 = 1 + 20.
Monica [59]

Answer:

126

Step-by-step explanation:

First multiply 6 by 1. This equals 6. Then, multiply 6 by 20 to get 120. 6+120=126.

3 0
2 years ago
What are all the expressions that are exquivalent to 5x(x+6)+3x
aliina [53]
Here is one equivalent expression 9x+6. Tell me if you need more

BRAINLIEST please
5 0
2 years ago
(FASTEST AND BEST GETS BRAINLIEST)Josiah is shopping online and finds a great deal on chests of drawers. Josiah pays $27 for a c
Lemur [1.5K]

Answer:

7*

Step-by-step explanation:

5 0
3 years ago
PLEASE HELP!!!!
LekaFEV [45]

Answer:

500

Step-by-step explanation:

It's a box with a square base, so let's say the width and length are x and the height is y.

The surface area of the box without the top is:

A = x² + 4xy

300 = x² + 4xy

The volume of the box is:

V = x²y

Solve for y in the first equation and substitute into the second:

y = (300 − x²) / 4x

V = x² (300 − x²) / 4x

V = x (300 − x²) / 4

V = 75x − ¼ x³

To optimize V, find dV/dx and set to 0:

dV/dx = 75 − ¾ x²

0 = 75 − ¾ x²

x = 10

So the volume of the box is:

V = 75x − ¼ x³

V = 500

The maximum volume is 500 cm³.

4 0
3 years ago
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