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Rasek [7]
3 years ago
12

Samuel and Jackson are brothers. Samuel is three years older than twice the age of Jackson. If the sum of their ages is 18, how

old are the brothers?
Mathematics
1 answer:
mixer [17]3 years ago
3 0
9 is the answer hope it helps
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Multiply.<br> (w)2<br> Please help fast
uranmaximum [27]

Answer:

2w

Step-by-step explanation:

(w)2

Distribute (Multiply)

2w

Hope this helps :)

3 0
3 years ago
A data set contains three points and two of the residuals are -12 and 6. What is the third residual?
Veronika [31]

Answer:

There may be a case in which all these data points will be plotted above the x-axis. Therefore, it may be noted that for this item, the maximum number of residual points that can be plotted above the x-axis is also 7. 

the answer is -6

3 0
3 years ago
Read 2 more answers
What is an equation of the line that passes through the points (1, 2) and (2, -1)?
Alex Ar [27]

Answer:

slope(m) = y2 -y1/ x2 - x1

m = -1 - 2/ 2 - 1

m = -3/1 ; m = -3

using the formula y -y1 = m(x - x1)

y - 2 = -3( x -1)

y -2 = -3x +3

collect like terms

3 +2 = y + 3x

y + 3x = 5

y = -3x + 5( y = mx + c)

equation of the line= y = -3x + 5

8 0
2 years ago
Megan’s car averaged 336 miles on 12 gallons of gas. How many gallons of gas did Megan use to drive 1,344 miles on vacation? a.
aalyn [17]

Okay, so first divide 336 / 12 to find out how many miles are driven on each gallon. 336 / 12 = 28   So the car travels 28 miles per gallon (mpg).

Then, divide 1,344 / 28      1,344 / 28 = 48    

And there's your answer! D) 48 gallons

5 0
3 years ago
Find all values of the variable
labwork [276]

The values of x for which the rational expression is undefined are -6 and -8.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a rational function:

\rm f(x) = \dfrac{3x+20}{x^2+14x+48}

As we know in the rational function denominator cannot be zero:

The values of x for which the rational expression is undefined.

x² + 14x + 48 = 0

\rm x_{1,\:2}=\dfrac{-14\pm \sqrt{14^2-4\cdot \:1\cdot \:48}}{2\cdot \:1}

\rm x_1=\dfrac{-14+2}{2\cdot \:1},\:x_2=\dfrac{-14-2}{2\cdot \:1}

x = -6, -8


Thus, the values of x for which the rational expression is undefined are -6 and -8.

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

6 0
1 year ago
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