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krek1111 [17]
3 years ago
15

(5×^2-4x-1)-(4x^2-4) how do i simplify this

Mathematics
1 answer:
castortr0y [4]3 years ago
5 0
Simplify whatever is in the parenthesis:

(5×^2-4x-1) and <span>(4x^2-4) 

after that subtract the numbers you got from both </span>parenthesis after simplifying
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Dan has five times as many $1 bills as $5 bills. he has a total of 48 bills. how many of each does he have?
Sholpan [36]
Let the number of $1 bill be x and $5 bill be y
x=5y
5y+y=48
6y=48
x=40
y=8

number of $1 bill= 40
number of $5 bill = 8
6 0
3 years ago
Marie has a total of $45 to spend at the grocery store. She has already spent $27. She wants to buy cases if soda tat cost $5 ea
pychu [463]

Answer:

3 cases

Step-by-step explanation:

45 - 27 = 18

18 ÷ 5 = 3

Tax is probably like $1 so It would add up to 18.

8 0
3 years ago
The table below shows the number of tickets sold per
andrew11 [14]

Answer:

102 tickets

Step-by-step explanation:

start by adding

Mon 198

Tues 96

We'd 204

then you would get 498 and max people that can fit in the gym is 600 so then you would subtract 600-498 and get 102 so the maximum amount of tickets they can sell on Thursday is 102 tickets

4 0
3 years ago
A die is rolled 2 times. What is the probability of getting a 2 on the first roll and a 5 on the second roll?
lisov135 [29]

Answer:

1/36

Step-by-step explanation:

the chance of rolling a 2 on a 6-sided die is 1/6 and rolling a 5 on a 6-sided is also 1/6.

So, 1/6 * 1/6 = 1/36

Hope this is helpful

8 0
3 years ago
Read 2 more answers
6x-2y=10 for y when x=2
tankabanditka [31]

Answer: 1

Step-by-step explanation:

6 times 2 minus 2y = 10

first 6x2=12

12-2y=10

minus 12 from each side =0

so now you have;

-2y= -2

divide & you get one!

<33333

7 0
3 years ago
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