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daser333 [38]
3 years ago
5

Use addition to solve the linear system of equations. Include all of your work in your final answer.

Mathematics
1 answer:
motikmotik3 years ago
6 0

Answer:

1

Step-by-step explanation:

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Quizizz help 10 pts each brainiest guaranteed blah blah blah
emmainna [20.7K]

Answer:

5x^3-2x^2+2x+9

Step-by-step explanation:

(5x^3+4x^2)−(6x^2−2x−9)

To find the opposite of 6x^2−2x−9 find the opposite of each term.

5x^3+4x^2−6x^2+2x+9

Combine 4x^2 and 6x^2 to get −2x^2.

5x^3-2x^2+2x+9

5 0
2 years ago
Read 2 more answers
There are 4 aces and 4 kings in a standard deck of playing cards. you pick one random card at random. What is the probability of
hichkok12 [17]

Answer:2/3

Step-by-step explanation:There are 52 cards in a standard deck: 13 ordinal cards (Ace - 10, Jack, Queen, King) and 4 of them - one to each suit (hearts, diamonds, clubs, spades) and so we have

4

×

13

=

52

.

There are 8 cards that fit the question (4 each of aces and kings).

And so in a random draw, the odds of drawing one of those 8 cards out of the total number of 52 is:8/52

which we can simplify:

8/52=2/13

8 0
2 years ago
Can some1 pls explain to me how to do this??! Katrina is building a deck. She cuts 3 lengths of wood from a 72-inch board. The f
uysha [10]
Rewriting the question, the given lengths that were cut from the board were 30 3/4 inches, 12 1/4 inches, and 16 1/4 inches. To obtain the remaining length of the board, all of the measurements cut are to be added and subtracted from 72 inches. This is shown below:

30 3/4 + 12 1/4 + 16 1/4 = 237/4 = 59.25 inches.

Remaining length of board = 72 - 59.25 = 12.75 inches.

Therefore, there will be 12.75 inches remaining of the board.
6 0
3 years ago
A machine takes 2.8 hours to make 9 parts at that rate,how many parts can machine make in 28.0
BigorU [14]
The answer is 90.
28/2.8 = 10
10 x 9 = 90
4 0
2 years ago
Solve for base. 450 crates is 0.90% of ___ crates
Tema [17]
Well... if 450 is 90% of the crates then 500 is 100%. 450 crates is 0.90% of 500 crates.
8 0
3 years ago
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