Answer:
The answer is 9.
Step-by-step explanation:
PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction)
3x10+15-6^2
3x10+15-36
30+15-36
45-36
9
Answer:
I don't use Geogebra, but the following procedure should work.
Step-by-step explanation:
Construct a circle A with point B on the circumference.
- Use the POINT and SEGMENT TOOLS to create a circle with centre B and radius BA.
- Use the POINT tool to mark points D and E where the circles intersect.
- Use the SEGMENT tool to draw segments from C to D, C to E, and D to E.
You have just created equilateral ∆CDE inscribed in circle A.
Option B is correct.
Step-by-step explanation:
We need to solve:
We know that:
Applying the above rule:
So, Option B is correct.
Keywords: Solving with Exponents
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Answer:
acute
Step-by-step explanation: