Answer:
P=a+b+c. To find the area of a triangle, we need to know its base and height. ... Name. Choose a variable to represent it. Let x= the measure of the angle. Step 4.
Step-by-step explanation:
The perimeter of a square is equal to the side length times 4.
The equation is P = 4S, with P being the perimeter, and S being a side.
Also, to get the length of a side from the perimeter, just divide the perimeter by 4.
To have it in centimeters, just add cm to the end of your answer!
<u>Given:</u>
Ratio of white and blue paint is 2:3
Total quantity of paint is 20 litres
<u>To find:</u>
Quantity of blue paint to be mixed so that the ratio of white paint to blue paint becomes 1:7
<u>Solution:</u>
The ratio 2:3 totals 20 that is 
So, the quantity of white paint in the mixture is 
and the quantity of blue paint in the mixture is 
Now, to get the final ratio as 1:7, Mary should have 
of blue paint. So, she need to add 
.
Therefore, Mary has to add 44 litres of blue paint to the mixture to make the ratio as 1:7.
Answer:
28%
Step-by-step explanation:
total percent is 100%
we could rewrite the equation as:
48% + 24% + f = 100%
72% + f = 100%(subtract 72 on both side)
f = 28%
-8/4=-2
x= -8
hope this helps!
