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Ghella [55]
2 years ago
14

Simplify (ab2 + 10 + a) – (6ab2 – 2ab + 8)

Mathematics
1 answer:
grin007 [14]2 years ago
5 0

−5ab2+2ab+a+2

That is the answer if you need more help on other questions use Math-way it helps answer all problems like that

Have a wonderful day love

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Fed [463]
I think The answer is 22.5
5 0
3 years ago
Read 2 more answers
Solving systems of Equations Word Problems - CLASSWORK
dem82 [27]

Answer:

Part A) For the number of hours less than 5 hours it make more sense to rent a scooter from Rosie's

Part B) For the number of hours greater than 5 hours it make more sense to rent a scooter from Sam's

Part C) Yes, for the number of hours equal to 5 the cost of Sam'scooters is equal to the cost of Rosie's scooters

Part D) The cost is $90

Step-by-step explanation:

Let

x-------> the number of hours (independent variable)

y-----> the total cost of rent scooters (dependent variable)

we know that

Sam's scooters

y=8x+30    

Rosie's scooters

y=10x+20

using a graphing tool

see the attached figure

A. when does it make more sense to rent a scooter from Rosie's? How do you know?

For the number of hours less than 5 hours it make more sense to rent a scooter from Rosie's  (see the attached figure) because the cost in less than Sam' scooters

B. when does it make more sense to rent a scooter from Sam's? How do you know?

For the number of hours greater than 5 hours it make more sense to rent a scooter from Sam's  (see the attached figure) because the cost in less than Rosie' scooters

C. Is there ever a time where it wouldn't matter which store to choose?

Yes, for the number of hours equal to 5 the cost of Sam'scooters is equal to the cost of Rosie's scooters. The cost is $70 (see the graph)

D. If you were renting a scooter from Rosie's, how much would you pay if you were planning on renting for 7 hours?

Rosie's scooters

y=10x+20

For x=7 hours

substitute

y=10(7)+20=90

The cost is $90

4 0
3 years ago
Help please i need help
Anika [276]

Answer:

OMG what level is this???

Step-by-step explanation:


8 0
3 years ago
On a fishing trip, mark caught twenty - four fish. He caught some rock fish averaging 2.5 pounds and some blue fish averaging 8
zloy xaker [14]
He cause 14 blue fish and 10 rock fish
14x8=112 10x2.5=25 112+25=137
7 0
3 years ago
I need a little help on this other question : 8(2w-2)=7(3w+2)
Rama09 [41]

8(2w-2)=7(3w+2)

16w - 16 = 21w + 14

-30 = 5w

-30/5 = w

w = -6

3 0
3 years ago
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