Answer:
b
Step-by-step explanation:
each mile takes him 15 mins
3x² + 3y² = 75
divide everything by 3
x² + y² = 25
This is a standard equation of a circle.
Center (0,0) and radius = 5
Answer:
False.
Step-by-step explanation:
A point on the cordinate plane needs an x-coordinate and a y-coordinate.
The point is (x1, y1) not just x1.
Answer:
Step 1: Calculate
We calculate the square root of 30 to be:
√30 = 5.47722557505166
Step 2: Reduce
Reduce the tail of the answer above to two numbers after the decimal point:
5.47
Step 3: Round
Round 5.47 so you only have one digit after the decimal point to get the answer:
5.5
To check that the answer is correct, use your calculator to confirm that 5.52 is about 30.
It would be 60. He sold his painting for 50 which was 10 less that the original price. So 50+10=60