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vodomira [7]
3 years ago
8

A piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4

Mathematics
2 answers:
ikadub [295]3 years ago
6 0
The\ ratio\ is:2:3:4\\
Let's\ sum\ up\ it:\\
2+3+4=9\\
\frac{2}{9}*180=40\\
\frac{3}{9}*180=60\\
\frac{4}{9}*180=80\\
The\ longest\ piece\ has\ lenth=80cm
Harlamova29_29 [7]3 years ago
3 0
2:3:4
2:3:4 can be written as 2x:3x:4x

2x+3x+4x=180
9x=180
x=20 

Therefore it is
40:60:80
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Eighteen increased by x In algebraic expression
Novay_Z [31]

Answer:

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Step-by-step explanation:

Hi there! I'm glad I was able to help you solve this math problem!

We are already given the number eighteen to start with, so this helps us a lot.

Since the word INCREASED means to add, and <u>we're increasing eighteen by x</u>, all you have to do is write it out to get your algebraic expression, as shown:

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3 0
3 years ago
I need help please and thanks you
Elenna [48]

Answer:

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Step-by-step explanation:

Absolute value so the positive and negative of p.

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divide by -1 (switch sign)

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3 0
2 years ago
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kompoz [17]

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6 0
2 years ago
Find the value of x for which allb <br> A. 35<br> B. 145<br> C. 140<br> D. 47
Paha777 [63]

Answer:

A. 35

Step-by-step explanation:

a || b .....(given)

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-> (3x + 40 + x)° = 180°

-> (4x + 40)° = 180°

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7 0
1 year ago
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5 0
2 years ago
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