Simplify the expression 6x+12y+5+2y+8 what is the coefficient of y and what is the constant

Answers

Answer 1

Answer: we want to find the coeficient of the y terms when added together so find all the y terms

+12y and +2y
we add them together
12y+2y=(12+2)y=(14)y=14y
coeficient is 14

the constant is the number that is set already or the number that doesn't have it multiplied by a placeholder exg. 4 is a constnat but 4x is not so find the constants
+5 and +8
we add
5+8=13
the constant is 13

y coeficient=14
constant=14

Answer 2

Answer: 6x+12y+5+2y+8
= 6x+ (12y+2y)+ (5+8) (combine like terms)
= 6x+ 14y+ 13

Coefficient of y: 14
Constant: 13

Hope this helps~

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A number is 1/7 another number. the difference of the number is 18. assume that you are subtracting the smaller number from the larger number. find the number

Answers

Answer:

21 and 3

Step-by-step explanation:

Let's call the small number $x$ and the larger number $y$ .

According to the problem:

$x=(1)/(7)y$

And when you substract the smaller number from the larger number you get 18:

$y-x=18$

substituting the first equation in the second one:

$y-(1)/(7)y=18(6)/(7)y=18\n y=(18*7)/(6) =3*7=21\ny=21$

the larger number is 21.

Using the first equation to find $x$ :

$x=(1)/(7)y\n x=(1)/(7) (21)\nx=3$

the smaller number is 3.

a = the smaller number
b = the larger number
a = 1/7 b
b - a = 18
b - 1/7b = 18
6/7b = 18
b = 21
a = 1/7 * 21
a = 3

(2xy)^2(-3x^2)(4y^2)

Answers

Answer:

−48x^4y^4

Step-by-step explanation:

comment if you need work

Tim has 39 pairs of headphones and 13 music players. Tim wants to sell all of the headphones and music players in identical packages.What is the greatest number of packages Tim can make?

Answers

13

Because he only has 13 music players, there's no way he can go beyond that. That means he'll have an extra 26 pairs of headphone.

The correct answer to this question is 13.

WILL GIVE 50 POINTS!!!!!! Question 1. 3 1/2 + 5 2/3 show all work Question 2.2/5 (3/4) simplified

Answers

3 1/2 +5 2/3

you would want to get these to have common denominators so you would multiply them, the lowest number they both can go into is 6 so you would have both of them go into that number. And they would equal

3 3/6 + 5 4/6 = 8 7/6

You can reduce this down to

9 1/6

__________________________________________________________

2/5 (3/4)

you want to remove the parentheses so it would be

2/5 x 3/4

Then you will cross cancel the numbers (2 and 4)

1/5 x 3/2

then you want to multiply the fractions, and it would be.

3/5x2

and you multiply once again for your final answer

3/10

Answer #1: 9 1/6

Answer #2: 3/10

PLEASE HELP!! QUICKKK!Mark proofread 15 pages in 2 hours for $40

What Is her proofreading rate in pages per hour?

how much does she receive on average for a page?

Answers

a. If he reads 15 in 2 hours, then divide 15 by 2 to see how much he reads in one. 15/2 = 7.5

b. If she receives $40 for 15 pages, divide 40 by 15.
40 / 15 = abt $2.67

The expression 3 1/2x + 18 represents the perimeter of the rectangle shown. Write an expression that represents the length of the rectangle.

Answers

Answer:

Step-by-step explanation:

height = ¼x+5

perimeter = 2(length)+2(height)

3½x + 18 = 2(length) + 2(¼x + 5)

3½x + 18 = 2(length) + ½x + 10

3x + 8 = 2(length)

length = 1½x + 4

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