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Citrus2011 [14]
3 years ago
9

Billy receives $15 every month for allowance. He puts $3 of his allowance into a piggy bank until his piggy bank has $119. How m

any months has he been saving part of his allowance
Mathematics
1 answer:
Leni [432]3 years ago
5 0

Answer:

39.6666667

Step-by-step explanation:

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Tìm hai số có tổng là 177. Nếu bớt số thứ nhất đi 17 đơn vị và thêm vào số thứ 25 đơn vị thì số thứ nhất sẽ bằng 2/3 số thứ 2
Harrizon [31]

Trả lời:

86 và 91

Giải thích từng bước:

Cho hai số là x và y. Nếu tổng của chúng là 177, thì;

x + y = 177 ... 1

Nếu 17 bị trừ đi số đầu tiên, nó được biểu thị là x - 17

Nếu 25 được thêm vào số thứ hai l, nó được biểu thị bằng y + 25

Nếu số thứ nhất bây giờ bằng 2/3 số thứ hai, thì:

x-17 = 2/3 (y + 25) .... 2

Từ 1, x = 177-y ... 3

Thay thế 3 thành 2

177-y-17 = 2/3 (y + 25)

160-y = 2/3 (y + 25)

3 (160-y) = 2 (y + 25)

480-3y = 2y + 50

-3y-2y = 50-480

-5y = -430

y = 430/5

y = 86

Vì x = 177-y

x = 177-86

x = 91

Do đó hai số là 86 và 91

4 0
3 years ago
Can someone help me with this or just give me the answer
geniusboy [140]
The answer would be D) (2,9) The reason being is because the equation from the first table should be y=2x+5. The equation for the second table should be y=4x+1. From there, I graphed the equations and found that they intersected at the point (2,9), which would be the solution to the system of equation...


Hope that helps (If you want, I could also attach the graph I used to plot the lines) 
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4 years ago
Given A(2,14), B(2,3), C(4,2) and D(14,2) what about AB?
stepan [7]
Answer - 11

I’m assuming you’re trying to find the line AB (basically the distance between point A and B). If that’s the case, since they both have the same x vale, subtract their y values. 14-3 gives you 11, which is the length of line AB
7 0
4 years ago
Claim shape a is a rectangle please help
asambeis [7]

Answer:

ummkmmmm

Step-by-step explanation:

8 0
3 years ago
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Babatunde draws a drinking glass on graph paper using the scale shown below. The glass has a length of 888 units in the drawing.
Helen [10]

Answer: Is there a picture? It would really help me understand you question if you added a picture.

Step-by-step explanation:

8 0
3 years ago
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