If marcus has 13 nickels and dimes in his pocket, and they have a combined value of 100 cents, how many of each coin does he hav
1 answer:
You might be interested in
Answer:
a
Step-by-step explanation:
Radical roots occur as conjugate pairs
Given - 5 + t is a root , then
- 5 - t is also a root → a
Answer:
Hiroshi's error was not having changed the sign of the number 37 by removing the parentheses and placing -37 instead of +37.
Step-by-step explanation:
we have
Hiroshi's work
Remember that
a negative number is just a positive number multiplied by -1
and (-1)(-1)=+1
so
Correct work
therefore
Hiroshi's error was not having changed the sign of the number 37 by removing the parentheses and placing -37 instead of +37.