Answer:
First Question: <u>63 coins are not nickels.</u>
Second Question: <u>63+n=91</u>
Step-by-step explanation:
For your first question: 29+21=50 and 50+13=63. 63 coins are not nickels.
For your second question: You can do 29+21+13+n=91, I just simplified and said 63+n=91. You can choose.
Hope that this helps! Good luck with what you're working on!
d = 16.76 inches
Step-by-step explanation:
We can extend the definition of the Pythagorean theorem to 3-dimensions:
Let x = 10 in
y = 10 in
z = 9 in
Answer:
Step 1, all the exponents are increased by 4
Explanation:
The first incorrect step is Step 1 because you can add exponents during multiplication and subtract exponents during division. Step 3 didn’t happen at all because they subtracted the exponents when dividing
1 kilogram is around 2.2 pounds so just multiply the pounds by 2.2