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11Alexandr11 [23.1K]
3 years ago
5

Rob has 7 ones, nick has 5 ones.they put all their ones together.what number did they make?

Mathematics
2 answers:
Verdich [7]3 years ago
5 0
Hello!

In order to find the answer to your problem, we simply need to add the amount of ones that the boys put together.

7 + 5 = 12

Nick and Rob have 12 ones put together. 

I hope this helps answer your question! Have a great day!
Anni [7]3 years ago
3 0
7+5= 12 ones. Or one ten and 2 ones. They made 12.
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<em>Answer</em>


D) 1


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From the choices, the appropriate answer is D) 1

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b. n= 164

Step-by-step explanation:

The formula to find the sample size :

n=p(1-p)(\dfrac{z^{*}}{E})^2

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