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3 years ago

What is the range of the function y=3^x x>0 R y<0 y>0

Mathematics

1 answer:

Dima020 [189]3 years ago

5 0

Answer:

The range is y > 0

Step-by-step explanation:

3^x is always greater than 0 and cannot be negative unless x is not real

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If 2x + 5 = 8x, then 12x = ?A.5B.10C.15D.20

butalik [34]

<h2>Answer:</h2> $10.\text{ Option B is correct}$

<h2>Explanation:</h2>

Given the equation expressed as:

$2x+5=8x$

First, we need to calculate the value of "x" from the given expression.

Step 1: Given the equation 2x + 5 = 8x

Step 2: Subtract 5 from both sides:

$\begin{gathered} 2x+5-5=8x-5 \\ 2x+\cancel{5}-\cancel{5}=8x-5 \\ 2x=8x-5 \end{gathered}$

Step 3: Subtract 8x from both sides

$\begin{gathered} 2x-8x=8x-8x-5 \\ -6x=\cancel{8x}-\cancel{8x}-5 \\ -6x=-5 \end{gathered}$

Step 4: Divide both sides by -6

$\begin{gathered} \frac{-6x}{-6}=\frac{-5}{-6} \\ x=\frac{5}{6} \end{gathered}$

Step 5: Get the value of 12x. Substitute x = 5/6 into the expression to have:

$\begin{gathered} 12x=12(\frac{5}{6}) \\ 12x=\cancel{12}^2(\frac{5}{\cancel{6}^1}) \\ 12x=2\times5 \\ 12x=10 \end{gathered}$

Therefore the value of 12x is 10

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1 year ago

A company makes concrete paving stones in different sizes. Each stone has a volume of 360 inches and a height of 3 inches. the s

Misha Larkins [42]

I got 6 but I'm not 100% sure if its right.

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3 years ago

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Solve this equation. (1/2)^x-3= 16^3x-1

Vesna [10]

This question is unsolvable this might be a trick question but it is not solvable. Hope this helps! ;D

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3 years ago

Expand and simplify 2(5x - 1) – (2x - 5)

horrorfan [7]

Answer:

2(5x - 1) – (2x - 5)

=2(5x−1)−2x+5

=10x−2−2x+5

=(10x−2x)+(−2+5)

=8x+3

Step-by-step explanation:

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3 years ago

Jared made 12 3/4 cups of snack mix for cups of snack mix for a party. His guests are 2/3 of the mic. How much snack mix did his

Rufina [12.5K]

Answer:

8 1 /2

For this we need to determine what

2 /3 of 12 3/4 is, so we multiply the fractions together.

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2 years ago