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igomit [66]
3 years ago
7

3x to the power of 3 subtracted by 2x to the power of 2

Mathematics
1 answer:
lawyer [7]3 years ago
5 0

Answer:

27x - 8x

Step-by-step explanation:

3x³ - 2x² =

27x - 8x

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Write the log equation as an exponential equation
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Answer:

(z+5)^{(3x+4)}  = 9

Step-by-step explanation:

Tip: When log_{a} b = c, a^{c} =b is also true.

log_{z+5} (9) = 3x+4   | <em>Original equation</em>

(z+5)^{(3x+4)}  = 9      | <em>Use tip</em>

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Find the equation of the line passing through the points A (2,1) B (7,9)
Bezzdna [24]
m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}} = \frac{9 - 1}{7 - 2} = \frac{8}{5} = 1\frac{3}{5}
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               y - 1 = 1³/₅(x - 2) Point - Slope Form
               y - 1 = 1³/₅(x) - 1³/₅(2)
               y - 1 = 1³/₅x - 3¹/₅
                 + 1           + 1
                    y = 1³/₅x - 2¹/₅ Slope - Intercept Form
         -1³/₅x - y = 1³/₅x - 1³/₅x - 2¹/₅
          -1³/₅x - y = -2¹/₅
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-1(-1³/₅x) + 1(y) = 2¹/₅
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         1³/₅(0) - y = 2¹/₅
                0 - y = 2¹/₅
                    -y = 2¹/₅
                    -1    -1
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3 years ago
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3 years ago
Please help me The difference of two numbers is 9. If the larger number is one more than twice the smaller number, find the lage
Helen [10]

Answer:

17

Step-by-step explanation:

Let the larger number be represented by x

Let the smaller number be represented by y

from the question, the next equations can be gotten :

x - y = 9  equation 1

x = 1 + 2y equation 2

Substitute for x in equation 1

1 + 2y - y = 9

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Collect like terms

y = 9 - 1

y = 8

Substitute for y in equation 1 and solve for x (the larger number)

x - 8 = 9

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x = 17

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3 years ago
What is the solution to log2(2x^3 - 8) - 2log2x = log2x?
Natalka [10]
The answer to the problem is x=2
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3 years ago
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