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Aleonysh [2.5K]
2 years ago
13

(3x-2)(2x+4) using the box method of multiplication

Mathematics
2 answers:
Sergeu [11.5K]2 years ago
7 0

Answer:

(3x-2)(2x+4)

= 6x^2+8x-8

Step-by-step explanation:

balu736 [363]2 years ago
6 0

Answer:

6x²-8x-8

Step-by-step explanation:

(3x - 2)(2x + 4)

3x \times 2x = 6 {x}^{2}  \\ 3x \times 4 = 12x \\  - 2 \times 2x  =  - 4x \\  - 2 \times 4 =  - 8

6 {x}^{2}  + 12x - 4x - 8 \\ 6 {x}^{2}  + 8x - 8

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10. Write a rule for the function represented by the table.
kondor19780726 [428]

Answer:

C) y=13+15x

Step-by-step explanation:

y=13+15x

7 0
3 years ago
Carla wants to start a college fund for her daughter Lila. She puts $63,000 into an account that grows at a rate of 2.55% per ye
Oksanka [162]

Answer:

Step-by-step explanation:

We would apply the formula for determining compound interest which is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount deposited

From the information given,

P = 63000

r = 2.55% = 2.55/100 = 0.0255

n = 12 because it was compounded 12 times in a year.

Therefore, function, C(t), that represents the amount of money in the account t years after the account is opened is

C(t) = 63000(1 + 0.0255/12)^12t

C(t) = 63000(1.002125)^12t

For C(t) = 100000,

100000 = 63000(1.002125)^12t

100000/63000 = (1.002125)^12t

1.587 = 1.002125)^12t

Taking log of both sides

Log 1.587 = log 1.002125)^12t

Log 1.587 = 12tlog 1.002125)^

0.2005 = 12t × 0.00092

0.2005 = t × 0.01104

t = 0.2005/0.01104

t = 18.16 years

5 0
3 years ago
The opposite of which number is closest to -5
MAXImum [283]
The opposite number closest to negative five is positive 5
3 0
2 years ago
What is Given f(x)=-5x+1. what is f(-3)<br><br> A. 19<br><br> B. 9<br><br> C. 16<br><br> D. -14
san4es73 [151]
The answer is going to be C
5 0
3 years ago
Read 2 more answers
Please help! Giving out brainiest.
iVinArrow [24]

Answer:

x - 1

Step-by-step explanation:

3(3x + 3) - 2(5 + 4x)

9x + 9 -10 - 8x

x - 1

hope this helps!

3 0
2 years ago
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