Answer:
45
Step-by-step explanation:
12/15=4/5
4/5=36/x
cross product
5*36=4*x
180=4x
x=180/4
x=45
Yes 87 is greater then 13.6889
Difference of 2 perfect squares
a^2-b^2=(a-b)(a+b)
25=5^2
x^2-5^2=(x-5)(x+5)=0
set to zero
x-5=0
x=5
x+5=0
x=-5
x=5 or -5
A
2. is 45° it’s showing a 90° cut in half, since it’s congruent, it’s gonna be 45°…
3. False
Answer:
P = 3.86n
Step-by-step explanation:
the price will be how many sets you buy multiplied by the price.