ANSWER(S):
24 textbooks
EXPLANATION(S):
18(0.75)= 24
24 textbooks
The answer is 14.3. You use the sin trig function because you are looking for the side opposite the angle and you are given the hypotenuse.
So, sin73=x/15, sin73*15=14.3
Answer:
Set p =4
Set q=25
Step-by-step explanation:
Range is highest value minus lowest value
Set P=5-1=4
Set Q=26-1=25
Answer:
A
Step-by-step explanation:
Given 2 similar figures with sides in the ratio a : b
Then the ratio of their areas is a² : b²
Hence
ratio of sides = 2 : 9, then
ratio of areas = 2² : 9² = 4 : 81 → A
Answer:
No
Step-by-step explanation:
If A were reversible, then such y coudnt not exist, because A⁻¹y would be a solution of the equation Ax=y. This means that A in not reversible, thus, there exist a non zero vector w in R³ such that A*w = 0. If x' were a solution of Ax =z, then x'' = x'+w is a different solution of the equation: Ax'' = A(x'+w) = Ax'+Aw = z+0 = z. This means that a vector z such that there exist a unique solution for the equation Ax=z cant exist.