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Taya2010 [7]
3 years ago
11

Expand the binomial (3x+6)^3

Mathematics
1 answer:
tatyana61 [14]3 years ago
4 0
27x^3 + 162x^2 + 324x + 216
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This is all I got. Hope this helps:

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Solve: 1/3(9k + 12) = 15
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21

Step-by-step explanation:

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The amount of bacteria in a fish tank was 830. After 5 hours, the amount of bacteria is 3202.
alina1380 [7]

Answer: 37.92

Step-by-step explanation: We know that 3202 / 5 = 640.4.

We subtract that by 830 to get (830 - 640.4  =) 189.6. Then we do / by five again to get 37.92. That is the answer.

3 0
2 years ago
What is <img src="https://tex.z-dn.net/?f=%5Csqrt%7B44mx%5E%7B3%7D%20n%5E%7B11%7D" id="TexFormula1" title="\sqrt{44mx^{3} n^{11}
My name is Ann [436]
2xn^5 √ 11mxn
good luck pls mark brainliest
5 0
3 years ago
To describe a specific arith-
Bezzdna [24]

Answer:

f(x) = 7x + 30

Step-by-step explanation:

We need at least two points to write the equation of a straight line.

The recursive formula that Elijah wrote is:

f(0) = 30

f(n + 1) = f(n) + 7

When we substitute n=0, we get:

f(0 + 1) = f(0) + 7

f(1) = 30 + 7

f(1) = 37

The points (0,30) and (1,37) lies on this line.

The equation of this line is of the form:

f(x) = mx + b

where b =30 is the y-intercept and m=7 is the slope.

We plug in these values to get:

f(x) = 7x + 30

Note that the slope of the line is equal to the common difference of the Arithmetic Sequence.

You could also use the two points to find the slope:

m =  \frac{37 - 30}{1 - 0}  = 7

4 0
3 years ago
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