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satela [25.4K]
3 years ago
13

I NEED HELP PLEASE! i will give Brainiest!!! Please

Mathematics
1 answer:
LenKa [72]3 years ago
4 0

Answer:

A. 2 (2x + 3y)

B. 48x + 16y

C. 4x + 7xy

D. x (10y + 3)

Step-by-step explanation:

Use distributive property!

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Brian needs to find the value of a number, a, so that when (x^2+3x) is added to the binomial (3x^2+ax), the sum simplifies to 4x
Julli [10]

Answer:

a = 9

Step-by-step explanation:

First we need to add  (x^2+3x)  to (3x^2+ax),

(x^2+3x)+(3x^2+ax)

Expand

= x^2+3x+3x^2+ax

Collect the like terms

= x^2+3x^2+3x+ax

= 4x^2 + 3x + ax

= 4x^2+(3+a)x

Equate the solution to 4x^2+12x

4x^2+(3+a)x = 4x^2+12x

Comparing the like terms on both sides

(3+a)x =12x

3 + a = 12

a = 12 - 3

a = 9

Hence the value of a is 9

6 0
2 years ago
37 1/2% of _________ is 36, Please help show work I am really confused.
klio [65]

Before you start working on this problem, make sure you know
how to use a couple of the tools in your toolbox:

Tool #1:  37-1/2 percent means 0.375

Tool #2:  In math problems, "of" almost always means "times".

====================================

Your question says

                           "37-1/2 percent of blank is 36".

Translate it with your tools:

                                  0.375  times  blank  =  36 .

Divide each side by 0.375:              Blank = 36 / 0.375 .

Now grab your pencil or your calculator, and find the value of that
fraction (do the division).  Blank is equal to the value of the fraction.


To check your answer (find out whether it's correct):

Do exactly what the question says.

Multiply (0.375) times (your answer).  If you get 36,
then your answer is correct.  If not, it's not.


6 0
3 years ago
The table shows the price for buying bouquets of flowers at a farmer’s market. What is the unit rate? $ per bouquet
valentinak56 [21]

you just need to divided 3 by 9 and it will be 3 or you can divide 6 by 18 and it will be the same so the unite rate is $3

7 0
3 years ago
Sum of two numbers = 14
Solnce55 [7]
It is 10+4
Then 10x4
The difference is 6
So these are the numbers
7 0
2 years ago
19. Thomas has a recipe for punch that calls for 2 quarts of juice and 3 quarts of soda.
GaryK [48]

Answer:

7.5 quarts of soda

Step-by-step explanation:

Kindly refer to the attached image for explanations

8 0
3 years ago
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