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Readme [11.4K]
3 years ago
10

Multiply (2x3+3x2+10x)(8x4)

Mathematics
1 answer:
Serga [27]3 years ago
8 0

Answer: 16x7 + 24x6 + 80x5

Step-by-step explanation:

( 2x3 + 3x2 + 10x) (8x4)

re-arranging the equation

8x4 ( 2x3 + 3x2 +10x)

expanding the bracket

16x7 + 24x6 + 80x5

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The function LaTeX: f\left(x\right)=2\cdot5^xf ( x ) = 2 ⋅ 5 x can be used to represent an exponential growth curve. Which of th
masha68 [24]

Answer:

(2,20)

Step-by-step explanation:

The given function is

f(x) = 2 \cdot \:  {5}^{x}

To see which point is not on this curve, we must substitute the points to see which does not satisfy the equation;

For the first point we substitute x=3 and f(x)=250

250= 2 \cdot \:  {5}^{3}  \:  \\ 250 = 2 \times 125 \\ 250 = 250

This is true.

For the second point (2,20), we put x=2 and y=20 to get:

20= 2 \cdot \:  {5}^{2}  \\ 20 = 2 \times 25 \\ 20 = 50

This is false, hence (2,20) does not lie on this curve.

For (1,10), we have:

10= 2 \cdot \:  {5}^{1}  \\ 10 = 10

This is also true

Finally for (2,50), we have;

50= 2 \cdot \:  {5}^{2}  \\ 50 = 2 \times 25 \\ 50 = 50

This is also true.

4 0
3 years ago
Need help with this problem on homework
mylen [45]
The answer is 2x - 2
5 0
3 years ago
How do you change 5.5 into a fraction?
Scrat [10]
5.5 in fraction is 5 1/2 

hope that helps :)
4 0
3 years ago
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If your taxable income puts you in the 25% marginal tax bracket is it ?
denis23 [38]
The answer to your question is A. because your tax would be 25% of your taxable income. I'm in personal finance and i just had a question like this the other day.
3 0
3 years ago
Use distributive property to write an expression that is equivalent to each expression. -8(-x-3/4y+7/2
Lesechka [4]

Answer:

  8x +6y -28

Step-by-step explanation:

The outside factor applies to each inside term, so the equivalent expression is ...

  -8(-x -3/4y +7/2) = 8x +6y -28

Applying the distributive property once again, we can also write the equivalent expression ...

  = 2(4x +3y -14)

__

There are an infinite number of other equivalent expressions. The problem statement is non-specific as to the acceptable form.

4 0
3 years ago
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