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Yanka [14]
1 year ago
13

Expand: In (4a)^3 help please

Mathematics
1 answer:
Gala2k [10]1 year ago
4 0

Answer: 3ln4 + 3lna

Step-by-step explanation:

\ln (4a)^{3}\\=3 \ln 4a\\=3(\ln 4+\ln a)\\=\boxed{3\ln 4+3\ln a}

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Please answer right!
BARSIC [14]

Answer:

Step-by-step explanation:

5x + 2 - 3x - 1 = 3x + 2

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7 0
2 years ago
Which of the following is equal to 7 1/4?
marysya [2.9K]

Answer:

C

Step-by-step explanation:

7^{\tfrac 14} = \sqrt[4]{7}

4 0
2 years ago
two stores sell the same computer for the same orginal price. store a advertises that the computer is 25% off the orginal price.
Gnoma [55]
That means that the discounts are the same
therfor 25% of original=180
multiply both sides by 4 or divide both sides by 0.25
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the equation is
0.25 times original=180


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4 0
2 years ago
Write y=-3x^2+12x-21 in vertex form
riadik2000 [5.3K]
Complete the square: 
<span>y = 3x^2 - 12x + 4 </span>
<span>y = 3(x^2 - 4x) + 4 </span>
<span>y = 3(x^2 - 4x + 4 - 4) + 4 </span>
<span>y = 3(x^2 - 4x + 4) - 12 + 4 </span>
<span>y = 3(x - 2)^2 - 8</span>
5 0
2 years ago
Read 2 more answers
ty rode his trail bike for 4.5 hours. his average speed was 12 miles per hour. how many miles did he ride?
Viefleur [7K]
Hey there!


Ty rode is bike 54 miles.

Work:
4.5 x 12


Hope this helps!
5 0
2 years ago
Read 2 more answers
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