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Andrew [12]
3 years ago
11

My mother is 12 years more than twice my age.after 8 years she will be 20 years less than three times my age...find my age and m

y mothers age
i have this equation:
2x+12+8=3x-20
2x+12-12+8-8=3x-20-20
2x+3x=-40
5x/5=-40/5
x=-8
NEED HELP PLS :(
Mathematics
1 answer:
Mnenie [13.5K]3 years ago
4 0
You are correct for the first part, you would be 16 and your Mom would be 44. After 8 years, you would be 24 and your mother would be 52. You solve the second part by adding 8 to 16 which equals 24. Then multiply 24 times 3 which equals 72. Lastly, subtract 20 from 72 to find your mother's new age. Which would be 52.

Hope this helps !

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Here’s the options<br> -2.5 cm<br> -6.2 cm<br> - 5cm<br> -3.7 cm<br> -7.4 cm
borishaifa [10]
I believe 3.7 is your answer
3 0
3 years ago
How to solve the sum of two numbers is 13. twice the larger increased by three times the smaller is 31. find the numbers?
worty [1.4K]
13 divided by 2 is 6.5 and 31 divide by 2 is 15.5 I hope this helped 
8 0
3 years ago
Translate into a numerical expression
SpyIntel [72]
(15*-3)-12
3(with another mini three)+4=?
3 0
3 years ago
Can someone give me two examples where Canadians still use the imperial system as a form of measurement?????
Nataly [62]

Remark

Acres is one example. 640 acres = a square mile. A mile is also a carryover from the imperial system. When Canada transferred over to the metric system, they found that the old system had to stay in place, otherwise all the surveying would have to be redone. There are two examples in this paragraph, but here's another as a bonus.

The Car dealerships in Canada still use the Imperial Gallon to describe how many miles per gallon you might get with the particular car you are looking at. When we bought our Honda Fit, the dealership told us we would get 50 miles / gallon,  and they were not lying. It get's a little less now but we are doing more city driving. And who knows what additives are put in the gasoline. The reason the dealerships do this is because the Imperial Gallon is larger than a US gallon. So for every gallon burned you get more miles with an imperial gallon than you do with a US gallon. That's why you learn to convert. Can't let people trick you.

Answers

Acres and miles when speaking of land

Imperial Gallons when speaking of millage.

6 0
3 years ago
On a coordinate plane, 2 triangles are shown. Triangle L M N has points (negative 1, 3), (3, 1), and (negative 1, 1). Triangle L
NeTakaya

The composition of similarity transformations that maps Triangle LMN to TriangleL'M'N is a dilation with a scale factor less than 1 and then a reflection. Opion A. This is further explained below.

<h3>Which composition of similarity transformations maps TriangleLMN to TriangleL'M'N'?</h3>

Generally, In the case of a reflection across the y-axis, the y-coordinate of a point stays the same but the x-coordinate is changed into its inverse.

Triangle LMN has the coordinates (2, 1), (1, 1), and (1, 3).

(-4,-4) (-3,-4) (-3,-2).

In conclusion, Assuming that the coordinates (2, 1), (1, 1), and (1, 3) of Triangle LMN. This is the translation 5 units down (x,y-5): Two units to the right (x+2, y-5) of the coordinates (2,-4), (1,-4), and (1,-2): (4, -4), (3, -4), (3, -2)

It is a reflection along the y-axis, with coordinates of (-4,-4) and (-3,-4) (-3,-2)

Therefore, Triangle L'M'N' is the result of the transformation sequence in Option A.

Read more about transformations

brainly.com/question/11709244

#SPJ1

5 0
2 years ago
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