Answer:
1% interest rate
Step-by-step explanation:
I've taken the same test
Answer:
1)2/7
2) 500
3) 1,000
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Answer: <em>n </em>-<em> 4 = -15</em>
<em>n </em>= -11
Step-by-step explanation:
If -15 is the same as 4 less than <em>n, </em>that means that <em>n </em>- 4 = -15
Then you add 4 to each side of the equation to get <em>n </em>by itself. (-15 + 4 = -11)
That step leaves you with <em>n</em> = -11
Answer:
A. 76
B. We will get two real solutions for the equation.
Step-by-step explanation:
A
For any quadratic equation ax²+bx+c=0, the discriminant is b²-4ac.
In 3x²-2x-6=0, a=3, b=-2 and c=-6:
b²-4ac
(-2)²-4(3)(-6)=4+72=76
B.
When the discriminate is positive we get two real solutions to the equation, when it's zero we get one real solution, and when it's negative we get two complex solutions. Since our discriminate, 76, is positive, we know that we will get two real solutions to 3x²-6=2x.
To see if it's a right triangle we need to determine if a²+b²=c²
(
)² + (
)² =
+
=
+
=
=
So it is a right triangle
