Answer:
5 : 9
Step-by-step explanation:
We have to divide both 15 and 27 by 3
(15 : 3) = 5
(27:3) = 9
Answer:
3.22222...... = 
Step-by-step explanation:
In this question we have to convert the number given in recurrent decimals into fraction.
Recurrent decimal number is 3.22222.......
Let x = 3.2222......... -------(1)
Multiply this expression by 10.
10x = 32.2222........... -------(2)
Now subtract the expression (1) from (2),
10x = 32.22222.....
<u> x = 3.22222.......</u>
9x = 29
x =
Therefore, recurrent decimal number can be written as which is in the form of 
.
Answer:
60.8 mm^2
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Step-by-step explanation:
Remark
You have to assume that the left and right sides are both 9.3. The question is undoable without that assumption.
Next, you have to assume that The top is 7.8 mm across and both ends meet 9.3 at right angles. Again if that is not true, the problem can't be done. Sometimes people making these questions make errors which you are asked to correct.
Solution
So let's assume that everything I've assumed is correct.
Find the area of the rectangle.
Area = L*W
L = 9.3
W = 7.8
Area = 7.8 * 9.3
Area = 72.54 Do your rounding at the end.
Now find the are of the triangle that has been cut out.
The height = 3
The base = 7.8
Area = 1/2 b * h
Area = 1/2 7.8 * 3
Area = 11.7
The area of the figure = area of the rectangle - the triangle's area
Figure Area = 72.54 - 11.7
Figure Area = 60.84
A real world example of a proportional relationship are wages.
Proportional means that Y grows as X grows, and Y shrinks as X shrinks, and when Y is zero, X is zero. The only time they have to be the same number though is at zero.
An example of this in real life is the way that people make money, wages, let's use minimum wage.
When you work 0 hours, you make $0.
Working 1 hour means you made $7.25
and working 5 hours mean you've made $36.25. It's a linear equation that starts at the origin, that means it is proportional.
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