Answer:
Step-by-step explanation:
area of rectangle=20×11=220 sq. cm.
area of circle=π×4²=16π≈50.27 sq.cm
area of remaining rectangle=220-50.27≈169.73 sq.cm.
Answer:
4.47
Step-by-step explanation:
3x²+31=91
3x²=91-31
3x²=60
x²=60÷3
x²=20
x=√20
x=4.47
Yes, this particular one is a function because the inputs hace exactly one output.
Answer:
Alexandra drove 980 miles
Step-by-step explanation:
70×14=980
Answer:
A negative number taken to an even power gives a positive result (because the pairs of negatives cancel), and a negative number taken to an odd power gives a negative result (because, after cancelling, there will be one minus sign left over).
Step-by-step explanation:
