From 99° to 70°f what is the percent decrease
2 answers:
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Answer:
A. (0, 6) and (−2, 0)
Step-by-step explanation:
The given equations are:
and
We equate the two equations to find their point of intersection;
We equate everything to zero to get;
When x=0, y=3(0)+6=6
One solution is;
(0,6)
When x=-2,
y=3(-2)+6=0
Another solution is;
(-2,0)
Question 1:
For this case we have that by definition, the GCF of two numbers is the largest number that is a factor of both numbers. For example, the number 10 is the biggest factor that 50 and 30 have in common.
We must find the GCF of the following expression:
We look for the prime factorization of each number:
The GCF of the three numbers is
So:
Answer:
Option C
Question 2:
For this case we have that by definition of power properties of the same base, that:
That is, for multiplication of powers of the same base, the same base is placed and the exponents are added.
So:
ANswer:
Option A