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Alex17521 [72]
3 years ago
11

Solve 2(x+3)=5(x-4) in pair of equation

Mathematics
1 answer:
irina1246 [14]3 years ago
6 0

Answer:

See below.

Step-by-step explanation:

2( x+3) = 5(x-4)

2x + 6 = 5x - 20

2x - 5x = -20 - 6

-3x = -26

x = 8\frac{2}{3}

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a distribution for the last difit of phone numbers sampled from a phone book for the phone number 968-9667 the last difit 7 woul
lisov135 [29]

Answer:

The answer is "Option D".

Step-by-step explanation:

Please find the attached file of the complete question:

In this question, the last choice "Histogram IV" is correct because it would be roughly evenly distributed.

7 0
2 years ago
Please help!!!!! <br> Which defines the piecewise function shown?
denis-greek [22]
<h2>Hello!</h2>

The answer is:

The second piecewise function,

f(x)=\left \{ {{-x-2,x

<h2>Why?</h2>

To answer the question, we need to find which piecewise function contains the graphs shown in the picture, we have that first line shown, is decreasing and exists from the negative numbers to 0,  and the line cuts the x-axis and the y-axis at "-2", for the second line shown,  we have that is decreasing but exists from 0 (including it) to the the positive numbers.

So, finding which piecewise satisfies the function shown, we have:

- First piecewise function:

f(x)=\left \{ {{-x-2,x

First line,

We have the first line,

-x-2

The variable has a negative coefficient (-1), meaning that the function (line) is decreasing, also we can see that the function does exists from all the numbers less than 0, to 0, and it cuts the x-axis at -2 and the y-axis at -2.

Second line,

\frac{x}{2}\geq 0

The variable has positive coefficient, meaning that the function (line) is increasing.

Hence, since the second line is not decreasing, the piecewise function is not the piecewise function shown in the picture.

- Second piecewise function,

f(x)=\left \{ {{-x-2,x

First line,

We have the first line,

-x-2

The variable has a negative coefficient (-1), meaning that the function (line) is decreasing, also we can see that the function does exist from all the numbers less than 0, to 0.

Second line,

-\frac{x}{2}\geq 0

The variable has a negative coefficient ((-\frac{1}{2}), meaning the the unction (line) is decreasing, also we can see that the function does exists from 0 (including it) to the positive numbers.

Hence, we have that the correct option is the second piecewise function,

f(x)=\left \{ {{-x-2,x

Note: I have attached a picture for better understanding.

Have a nice day!

3 0
3 years ago
Read 2 more answers
What is the answer?<br><br> [(12 − 5) • 12] ÷ 6
Sever21 [200]
(7 × 12 )/ 6
= 7×2
= 14
6 0
3 years ago
Read 2 more answers
What is the answer to this-----&gt;7/8-5/6
dlinn [17]
<span>7/8-5/6
Multiply until both fractions have the same common denominator.
21/24 - 20/24
Subtract the numerators but NOT the denominators.
Final Answer: 1/24</span>
3 0
3 years ago
Read 2 more answers
Please creeper keeps answering but link doesnt work plaese help
DedPeter [7]

Answer:

The answer is A: y^2/2x

Step-by-step explanation:

Hope this helps please mark brainliest  :)

6 0
2 years ago
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