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ale4655 [162]
3 years ago
14

Evaluate the expression 2ab^3 + 6a^3 - 4ab^2 when a = 2 and b = 4.

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
4 0
The answer is A) 176 
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Y equals 7.75x fourmovie tickets cost how many dollars remember X represents the number of movie tickets
ArbitrLikvidat [17]
Y = 7.75x 

when x = 4 we have

y = 7.75 * 4 =  31 dollars answer
4 0
3 years ago
The ravens won three more games than they lost.they played 96 games.how much games did they win?
balandron [24]
x-the \ number \ of \ games \ won \ \\\\ y-the \ number \ of \ games \ lost \\\\ x= y+3 \\\\ x+y=96 \\\\ 3+y+y=96 \\\\ 3+2y=96 \\\\2y=96-3\\\\2y=93 \\\\ \boxed{y=\frac{93}{2}=46.5\approx46\ games \ lost} \\\\ x=3+46 \\\\ \boxed{x=49 \ games \ win}
4 0
3 years ago
ways to put 72 cookies into an equal amount of bags with more than 2 and less than 10 cookies in each bag
IceJOKER [234]


You can put 6 cookies in each bag with 12 bags in total.

Do, 72 Divided by 6 and you get 12.

Hope it helps

7 0
3 years ago
A bag contains 100 marbles which are red, green, and blue. Suppose a student randomly selects a marble without looking, records
ra1l [238]

Answer:

35 red marbles

Step-by-step explanation:

So we can put the different color marbles in a ratio. So 7:2:11. If we add all of those up we get 20. We do 100/20 to get 5. Each number in the ratio is equivalent to 5 marbles. Then we do 7*5 to get 35. We can check our work by doing, (7*5) + (2*5) + (11*5) = 100. And it does equal 100 so the answer is correct.

6 0
3 years ago
Read 2 more answers
Math 7 Grade 7. Can anyone help me answer these questions?
zaharov [31]
1. What is the opposite of -2?  2

2. When we add opposites together they will always equal = ? 0

This is also known as what ?
additive inverse 

Adding with integers with SAME signs.

-8 + -3 = -11

-12 + -15 = -27

-3 + -9 + -25 = -37
6 0
3 years ago
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