A six sided number cube is rolled . find the probability of rolling a 3 or a number greater than 4.
2 answers:
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Answer:
The number of wrapping paper sold was 32 and the number of magazines sold was 40
Step-by-step explanation:
Let
x ----> the number of wrapping paper sold
y ----> the number of magazines sold
we know that
The classes sold 72 items
so
----> equation A
The classes earned $222 for their school
so
----> equation B
Solve the system of equations by graphing
Remember that the solution of the system of equations is the intersection point both graphs
using a graphing tool
The solution is (32,40)
see the attached figure
therefore
The number of wrapping paper sold was 32 and the number of magazines sold was 40
Answer:
Option B 3,-3,-6 is correct.
Step-by-step explanation:
We need to find real zeroes of
Solving
Taking x^2 common from first 2 terms and -9 from last two terms we get
Taking (x+6) common
x^2-9 can be solved using formula a^2-b^2 = (a+b)(a-b)
Putting it equal to zero,
So, Option B 3,-3,-6 is correct.