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Natalka [10]
3 years ago
14

Sarah and four friends are decorating picture frames with ribbon they have four rolls of ribbon to share evenly how much does ea

ch person receive
Mathematics
1 answer:
Tpy6a [65]3 years ago
8 0
80% of a roll each

4/5=0.8 

x 100 = 80%

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Write a two column proof. If ZY=3XY, then ZX=4XY
Blababa [14]

Answer:

As you have written

Z Y  = 3 X Y,

It means X, Y, Z are collinear points i.e they lie in the same line or line segment.

Locating points X, Y,Z  on the line

Two possibilities are possible

1. First Z, then X and then Y on the line or line segment

→ Z X + Y X= Z Y

But Z Y = 3 X Y [ Given]

→  Z X + Y X = 3 X Y

→  Z X = 3 X Y -  Y X

→  Z X = 2 X Y ⇒ which is not the result.

2. 2nd Possibility

First Z, then Y and then X on the line or line segment

→ Z X  =  Z Y + Y X

→ Z X= 3 X Y + Y X  [Z Y=3 X Y→(given)]

→ Z X= 4 X Y , Which is the result.


5 0
3 years ago
There are three different size bags of the same dog food shown below with the price for each bag. Based on the price per ounce,
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3 0
2 years ago
5
nika2105 [10]

Answer:

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Step-by-step explanation:

8 0
3 years ago
It costs 3
yKpoI14uk [10]

Answer:

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6 0
3 years ago
Find a in the figure below and place the value in the empty box
AleksAgata [21]

Answer:

a = 12m

Step-by-step explanation:

In order to solve this problem we will need to know the Pythagoras theorem that states that in a right angled triangle the square of the hypotenuse (the side opposite to the right angel) is equal to  the sum of the squares of the other two sides. This theorem can be written as an equation....

c^{2} = a^{2}  + b^{2}

Now we can see that we can easily find the missing value by using this theorem. We just have to substitute the values. And we get the following

c^{2} = a^{2} + b^{2}

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a = \sqrt{144}

a = 12

7 0
3 years ago
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