<span>x-y=2y -> x=3y and
3x-40+2y=180 --> 9y-40+2y=180 --> 11y=220 --> y=20, x=60 --> <A=<C=140 degrees, <B=<D=40 degrees.</span>
As we know ~
Area of the circle is :
And radius (r) = diameter (d) ÷ 2
[ radius of the circle = half the measure of diameter ]
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<h3>Problem 1</h3>
Now find the Area ~
・ .━━━━━━━†━━━━━━━━━.・
<h3>problem 2</h3>
Bow, calculate the Area ~
・ .━━━━━━━†━━━━━━━━━.・
<h3>Problem 3 </h3>
・ .━━━━━━━†━━━━━━━━━.・
<h3>Problem 4</h3>
now, let's calculate area ~
・ .━━━━━━━†━━━━━━━━━.・
<h3>problem 5</h3>
Now, let's calculate area ~
・ .━━━━━━━†━━━━━━━━━.・
<h3>problem 6</h3>
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Yes it represents a function.
The formula for the average value of a function is
where b is the upper bound and a is the lower. For us, this formula will be filled in accordingly.
. We will integrate that now:
from 0 to 2. Filling in our upper and lower bounds we have
which simplifies to
and
which is 17/3 or 5.667
Part A:
Given the ratio 1 : 2, we can describe this ratio with the following situation.
The number of green balls to orange balls in the bag is in the ratio of 1 : 2. For every green ball in the bag, there are 2 corresponding orange ball.
Part B:
Given the ratio 29 : 30, we can describe this ratio with the following situation.
The ratio of the amount of sugar used to the amount of salt used to prepare the sugar-salt solution is 29 : 30. For every teaspoons of sugar used in the solution, 30 teaspoons of salt needs to be used.
Part C:
Given the ratio 52 : 12, we can describe this ratio with the following situation.
The
number of kilometers travelled by the car and the bicycle is in the ratio of 52 :
12. For every 52 kilometers travelled by the car, the bicycle travelled 12 kilometers.