Answer:
x= (4,-7)
y= (6,-10)
z= (7,-4)
Step-by-step explanation:
Answer:
28.8 km/h
Step-by-step explanation:
I used the calculator, but I don't know any formulas for changing m/s km/h.
But I hope this helps!
Answer:
9 and 11
Step-by-step explanation:Let the 2 consecutive odd integers be n and n+2.
n(n + 2) = 99
Solve for n.
n2 + 2n - 99 = 0
(n + 11)(n - 9) = 0 ⇒
Two solutions:
n = -11
n + 2 = -9
and
n = 9
n + 2 = 11
Test the answers.
of
is 
Solution:
Given
of what number is
.
Let us first convert the mixed fraction into improper fraction.


Now, let us take the unknown number be x.


Do the cross multiplication.



Now, again change the improper fraction into mixed fraction.

Hence
of
is
.