Answer:
-9
Step-by-step explanation:
The sum of -2 and -7 is given as follows;
-2 + (-7)
In mathematical operations, + * - is -.
So we have;
-2 - 7
This gives us: -9
So, you need 10 penny, 4 nickles and 7 dimes
Lets, check it.
According to the question,
total coins = 21
7 + 4 + 10 = 21
21 = 21.........................................true
Now,
their value should equal $1.00 = 100 cents
Penny = 1 cent
nickle = 5 cent
dime = 10 cent,
So,
(10 *1) + (4 * 5) + (7 * 10) = 100
10 + 20 + 70 = 100
100 = 100......................................true
So, you need 10 penny, 4 nickle, and 7 dimes
Answer:
Step-by-step explanation:
There are two answers to this.
1.
The order is ACB. That means that B is beyond C.
In which case AB = AC + BC
AB = 22 + 13
AB = 35
2
The order is ABC (which means that B is between A and C.
AB = AC - BC
AB = 22 - 13
AB = 9
Please don't ask me what the answer is. The question does not make it clear enough to give you one answer. I do suggest you draw a diagram to show both possibilities. Your teacher will likely applaud you for poking holes in the question.
Answer:
all work is shown / pictured
Add up all 3 colors first
5 + 4 + 3 = 12
5 blue balls
5 over 12
