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MAXImum [283]
3 years ago
14

Multiply and collect like terms: (7x2+8x+2)(−2x2−4x−5)

Mathematics
1 answer:
Allisa [31]3 years ago
3 0
=32x^2-136x-144
The answer to this question^
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how much money should be deposited today in an account that earns 5% compounded quarterly so that it accumulate to $7500 in 5 ye
ivann1987 [24]

Knowing that it is a quarterly rate, we know that there are 20 quarters in 5 years:

20(1.05(x)) = 7500

21x = 7500

x = 357.14

You should deposit about $357.14

6 0
3 years ago
Y-3x=3 and x-2y=4 using elimination method​
solniwko [45]

Answer:

x = -2, y = -3

Step-by-step explanation:

y - 3x = 3

x - 2y = 4

-3x + y = 3

x - 2y = 4

-6x + 2y = 6

x - 2y = 4

Add the equations.

-5x = 10

x = -2

Substitute -2 for x in the first original equation and solve for y.

y - 3x = 3

y - 3(-2) = 3

y + 6 = 3

y = -3

Answer: x = -2, y = -3

3 0
4 years ago
Read 2 more answers
What is the answer to 420 + 69 =
Gelneren [198K]

Answer:

420 + 69 = 489

Step-by-step explanation:

HOPE THIS HELPS

brainliest pls :)

8 0
4 years ago
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given the proportion 3/2 = 4/x, what steps should your teacher take to solve for x? answer in 2-3 sentences
d1i1m1o1n [39]

Answer:

4/1

Step-by-step explanation:

4 0
3 years ago
Band A charges $600 to play for the evening. Band B charges $350 plus $1.25 for each ticket sold.
Alex Ar [27]
The answer would be :
600=350+1.25x
8 0
3 years ago
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