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Levart [38]
2 years ago
10

2(7x-9)=5(x+3) Solve for x

Mathematics
1 answer:
Nadya [2.5K]2 years ago
7 0

Answer:

x = 3.67

Step-by-step explanation:

Simplify both expressions

14x - 18 = 5x + 15

Subtract the bigger (n)x by the smaller

14x - 5x = 9x

Plus the smallest by itself, giving you:

9x - 18 = 15

     +18   +18

9x = 33

Simplify ( divided by 3 )

3x = 11

x = 3.67

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Question 3. Y=(1/5)^xSketch the graph of each of the exponential functions and label three points on each graph.
STatiana [176]

Given exponential function:

y\text{ = (}\frac{1}{5})^x

Let us obtain three points including the y-intercept so that we can plot the function y = f(x)

When x =0:

\begin{gathered} y\text{ = (}\frac{1}{5})^0 \\ =\text{ 1} \end{gathered}

when x =1:

\begin{gathered} y\text{ = (}\frac{1}{5})^1 \\ =\text{ }\frac{1}{5} \end{gathered}

when x =2:

\begin{gathered} y\text{ = (}\frac{1}{5})^2 \\ =\text{ }\frac{1}{25} \end{gathered}

We have the points : (0, 1), (1, 1/5), and (2, 1/25)

Using these points, let us provide a sketch of the plot of y =f(x). We have the plot as shown below:

5 0
1 year ago
The sum of two numbers is 82. The larger number is eight less then five times the smaller number. What are the numbers?
bonufazy [111]

Answer:

The smaller Number = 15

The larger number = 67

Step-by-step explanation:

Let

The smaller number = x

The larger number = 5x - 8

The sum = 82

(5x - 8) + x = 82

5x - 8 + x = 82

6x - 8 = 82

Add eight to both sides

6x - 8 + 8 = 82 + 8

6x = 90

Divide both sides by 6

x = 90/6

= 15

Therefore,

The smaller number = x = 15

The larger number = 5x - 8

= 5(15) - 8

= 75 - 8

= 67

6 0
2 years ago
What is the least common multiple of 8 and 12?<br> 96<br> 24<br> 48
Aleonysh [2.5K]

Answer:

B. 24 :)

Step-by-step explanation:

I hope this helps!

6 0
2 years ago
What is 30 divide by 4?
Sedaia [141]

Answer:

30 ÷ 4 = <em>7.5</em>

Step-by-step explanation:

This means that:

7.5 fits into 30 4 times

Example:

7.5    +   7.5     +    7.5    +     7.5

 \______\______/_______/

                    30

I hope this helps!

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>
7 0
3 years ago
Write the equation of the line that passes through the points (-4,-7) and (8,7). Put your answer in fully reduced point-slope fo
Nikitich [7]
Yes u r correct sorry I need pointdjdjfkkcfk
6 0
2 years ago
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