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3 years ago

C) work out the value of 3² + 2³ d) work out the value of 2⁴ - 3²

Mathematics

1 answer:

ki77a [65]3 years ago

6 0

Answer:

a) 2^6 = 2 x 2 x 2 x 2 x 2 x 2 = 64

b) 7^4 = 7*7*7*7 = 2401

c) 3^2 + 2^3

= 9 + 8

= 17

d) 2^4 - 3^2

= 16 - 9

= 7

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3 years ago

Just need the equation

Anna007 [38]

$a. $ x = -2\\b. $ x = \frac{3}{2} \\c. $ x = 0\\d. $ x = -\frac{1}{5}$

Each of the equations can be solved as shown below:

a. $3x + 7 = - x - 1$

$3x + 7 + x = - x - 1 + x$ (addition property of equality)

$4x + 7 = - 1\\4x + 7 - 7 = -1-7$ (Subtraction property of equality)

$4x = -8\\\frac{4x}{4} = \frac{-8}{4}$ (Division property of equality)

$x = -2$

b. $1 - 2x + 5 = 4x - 3\\$

Add like terms

$6 - 2x = 4x - 3\\\\6 - 2x - 6 = 4x - 3 - 6$ (Subtraction property of equality)

$- 2x = 4x - 9\\-2x - 4x = 4x -9 - 4x$ (Subtraction property of equality)

$-6x = -9 \\\frac{-6x}{-6} = \frac{-9}{-6}$ (Division property of equality)

$x = \frac{3}{2}$

c. $4x - 2 + x =-2 + 2x\\$

$5x - 2 = -2 + 2x\\5x - 2x = -2 + 2\\3x = 0\\ x = \frac{0}{3} \\x = 0$

d. $3x - 4 + 1 = - 2x -5 + 5x\\$

$3x - 3 = - 7x -5\\3x + 7x = 3 - 5\\10x = -2\\x = \frac{-2}{10} \\x = -\frac{1}{5}$

The value of x in each equation are:

$a. $ x = -2\\b. $ x = \frac{3}{2} \\c. $ x = 0\\d. $ x = -\frac{1}{5}$

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brainly.com/question/1527981

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3 years ago

Which is the graph of f(c)=3(2/3)

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This should be the correct answer. I recommend Desmos.

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4 years ago

Which function is equivalent to f(x) =2x² - 8x + 3?

Afina-wow [57]

Answer:

the answer would be the last one : g(x) = 2(x-2)² - 5

Step-by-step explanation:

I I highly recommend photomath for problems like these because you can easily type in this problem, get the answer, and it gives you a step-by-step process of how it got the answer, and it's free!

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4 years ago

C) work out the value of 3² + 2³ d) work out the value of 2⁴ - 3²​

C) work out the value of 3² + 2³ d) work out the value of 2⁴ - 3²