Answer:
x = 15
y = 12
z = 20
Step-by-step explanation:
For right angle x^2 + z^2 = (9 + 16)^2 => x^2 + z^2 = 625
then z^2 = y^2 + 16^2 => y^2 = z^2 - 256
and x^2 = y^2 + 9^2 => y^2 = x^2 - 81
so z^2 - 256 = x^2 - 81
z^2 = x^2 + 175
replace z^2 = x^2 + 175 into the first equation
x^2 + (x^2 + 175) = 625
2x^2 = 450
x^2 = 225
x = 15
If x = 15 => 15^2 + z^2 = 625 => z^2 = 400 => z = 20
y^2 = z^2 - 256 => y^2 = 400 - 256 = 144
then y = 12
Answer:
you still cant see it
Step-by-step explanation:
Answer:
The value of <em>y</em> = 40.
Step-by-step explanation:
We have been given that Δ ABC is isosceles with AB = AC.
Since opposite angles of equal sides are equal, we have,
∠C = ∠B and so
5<em>x</em> = 40
<em>x</em> = 8
Now, by angle sum property,
∠A + ∠B + ∠C = 180⁰
(2<em>y</em> + 20) + 40 + 40 = 180
(2<em>y</em> + 20) + 80 = 180
(2<em>y</em> + 20) = 180 - 80
2<em>y</em> + 20 = 100
2<em>y</em> = 100 - 20 = 80
<em>y</em> = 40
Hence, the value of y = 40°.
The two inequalities formed will be:
One for ticket quantity:
x + y ≤ 600
One for funds generated via tickets:
5x + 7y ≥ 3500
Equating x to 330,
5(330) +7y ≥ 3500
y = 265
Checking if the other inequality holds true:
330 + 265 ≤ 600
595 ≤ 600
This inequality is still true so they can sell 265 tickets on the event day and cover their expenses.
Answer:
I will tell D or C but I'm not sure :-\