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White raven [17]
3 years ago
15

12(a + b) + 4(2a + b) − 6(a + 3b) simplify the expression

Mathematics
2 answers:
m_a_m_a [10]3 years ago
7 0
<span>14a - 2b........................</span>
Anuta_ua [19.1K]3 years ago
6 0
=<span>12(a + b) + 4(2a + b) − 6(a + 3b)
=12a + 12b + 8a + 4b - 6a - 18b

Now, Try to put every a's together & every b's together,
= (12a+8a-6a) + (12b+4b-18b)
= 14a - 2b

In short, Your Answer would be 14a - 2b

Hope this helps!</span>
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Need help again please...
Greeley [361]
40 - 4 = 36

average = 36/9 = 4

answer
average number of members who joined the math club is 4 per month

5 0
3 years ago
A cafe sells drink in 3 sizes: small,medium and a large. The small cup cost $0.89 and holds 9 ounces. The medium cost $1.29 and
KatRina [158]
The large cup is best to buy. This is because it costs 11 cents per ounce for the medium cup and 11 cents for the large cup as well. You get almost double the amount for the same price with the large cup.
3 0
3 years ago
The seventh grade choir sold pizzas as a fundraiser. The choir teacher created the graph below for the students.
frez [133]

Answer:

C

Step-by-step explanation:

We are trying to find the profit for every pizza sold. Since looking at the x axis, the point in which its x coordinate is 1 cannot be easily identified. Thus, we shall derive the answer using a point that can be easily identified.

We observe that the two points, (10,12) and (20,24) sits nicely on the graph. I will be using the first coordinate above to derive the answer.

For every 10 pizzas sold, $12 of profit is made.

10 pizzas ----- $12 profit

1 pizza ----- $12 ÷10= $1.20

Hence, the unit rate of profit for the pizzas is $1.20 per pizza.

3 0
3 years ago
I kinda need some help as soon as possible I'll give you 20 points
Shtirlitz [24]

Answer:

x= 5

Step-by-step explanation:

20x=100

divide 100 by 20

x=5

8 0
3 years ago
What is the simplified expression for -3(2x-y)+2y+2(x+y)
JulijaS [17]

Answer:

7y - 4x

Step-by-step explanation:

Given

- 3(2x - y) + 2y + 2(x + y) ← distribute parenthesis

= - 6x + 3y + 2y + 2x + 2y ← collect like terms

= 7y - 4x

7 0
3 years ago
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