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Kaylis [27]
3 years ago
7

Identify the coefficient of 2xy3 A. 1 B. 3 C. x D. 2

Mathematics
2 answers:
emmasim [6.3K]3 years ago
8 0
The coefficient is 2 (it is always the number before the variable)
Dmitriy789 [7]3 years ago
3 0
The coefficient of 2xy3 is 2. 
Hope this helps! :)
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What is the value of the expression below when z=2 b.
yan [13]

14

Step-by-step explanation:

5(2)^2 -2 -4

5(4)-6

20-6

14

5 0
3 years ago
Read 2 more answers
The area of a rectangular glass slab is 80 square centimeters and its perimeter is 36 centimeters. If the length and width of th
netineya [11]

First, you have to find out the values of the length and width.

Let l = length and w = width.

Set up your equation for area: l * w = 80

Set up your equation for perimeter: 2l + 2w = 36

We can use substitution for this problem, so find out the value of l or w. In this case, I will use the first equation to find out the value of l.

(Divide w on both sides) l = 80 / w

Since I know that l = 80 / w, I can substitute it into the second equation.

2l + 2w = 36, and l = 80 / w

= 2 (80/w) + 2w = 36

Simplify the equation.

= 160/w + 2w = 36

Get rid of the w in the denominator by multiplying the entire equation by w.

= ( 160/w + 2w = 36 ) * w

= 160 + 2w^{2} = 36w

= 2 ( w - 8 ) ( w - 10 )

The solutions for width (w) is 8 or 10. Then, you can use both 8 and 10 as your length and width, either or is fine. Multiply by 4 for each of those values and you get 8 x 4 = 32 and 10 x 4 = 40. The new perimeter would be 2(32) + 2(40) =

a. 144 cm

Hope this helped you! Let me know if there are any confusions :)


4 0
3 years ago
8w - 16 Helpppppppppppp
Sever21 [200]
-2? it’s been awhile sorry if it’s wrong
4 0
2 years ago
Find the complete factored form of the<br> polynomial:<br> 6xy - 8x2
Ray Of Light [21]

Answer:

2x(3y-4x)

Step-by-step explanation:

6xy - 8x^2

Factor out the greatest common factor of 2x

2x*3y  -2x*4x

2x(3y-4x)

7 0
3 years ago
A number cube is rolled and a letter is selected from the word BOOKCASE.
Deffense [45]

Answer: i need help on that too

Step-by-step explanation: i need helpppp

8 0
3 years ago
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