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Alex777 [14]
2 years ago
5

Fourteen years time a mother will be twice as old as her son.Four years ago the sum of their ages was thirty .Find their ages

Mathematics
1 answer:
irina1246 [14]2 years ago
8 0

Answer:  the son is 18 and the mom is 22

Step-by-step explanation:

I dont know if this is correct but i tried my best to help!! :)

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X – 1= 4x + x - 8+ 3x
Advocard [28]

Answer:

1

Step-by-step explanation:

Add one on both sides, combine like terms and solve.

6 0
2 years ago
A plane traveled from California and back. It took one hour longer on the way out than it did on the way back. The plane's avera
andrezito [222]

300t = 350(t-1)

300t = 350t-350

-50t=-350

t = -350 /-50

t = 7 hours

4 0
3 years ago
Read 2 more answers
NEED HELP ON THIS PLEASE! Oregon Trail: Percents.
harina [27]

1845-1846

118->148

148-118 = 30 = change

percent

30/118 ≈ 25.4%

1846-1847

148->139

148-139 = 9 = change

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1847-1848

139->151

151-139 = 12 = change

percent

12/139 ≈ 8.6%


Hope this helped :)

5 0
2 years ago
Line CD contains points A (4, -7) and B (4, 8). The slope of line CD is
mylen [45]
<span>To find the slope, you divide the difference of the y-coordinates of a point on a line by the difference of the x-coordinates. It is expressed as:

slope = (y2 - y1) / (x2-x1)
slope = 8-(-7) / 4 - 4
slope = 15 / 0
slope = undefined <------ SECOND OPTION

The line should be vertical where the slope is undefined. Hope this answers the question. Have a nice day.</span>
6 0
3 years ago
Read 2 more answers
9. Write an equation for the line that is parallel to the given line and that passes through the given point.
timurjin [86]

Answer:

  y -11 = 2(x -3)

Step-by-step explanation:

The slope of the given line is the x-coefficient: 2. The parallel line will have the same slope.

When you know the slope and a point on the line, it is convenient to use the point-slope form of the equation of a line:

  y -k = m(x -h) . . . . . . line with slope m through point (h, k)

Your line's equation is ...

  y -11 = 2(x -3)

7 0
3 years ago
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