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marishachu [46]
2 years ago
7

Question 4(Multiple Choice Worth 4 points)

Mathematics
1 answer:
artcher [175]2 years ago
3 0

Answer:

\sqrt{1}

Step-by-step explanation:

We know that a rational number cannot have roots. All of the answer choices cannot be simplified except for \sqrt{1}, which can become 1. Therefore, our answer is \sqrt{1}.

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An album contains x black-and-white photographs and y color photo graphs. If the album contains 24 photographs which of the foll
Svetradugi [14.3K]
C x=4y can no be true.
x=4y, total phonographs are 5y
5y cannot be 24 if y is an integer.
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3 years ago
If each runner runs 1/3 mile, how many runners must be on a team?
ipn [44]
That depends on the total distance of the race, which you
have not bothered to mention.

If the team has exactly enough runners to run the entire race,
one at a time, then the number of runners needed is ...
 
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5 0
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What is the sum of a 12-term arithmetic sequence where the last term is 13 and the common difference is -10?
Y_Kistochka [10]
\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=12\\
d=-10\\
a_{12}=13
\end{cases}
\\\\\\
a_{12}=a_1+(12-1)d\implies 13=a_1+(12-1)(-10)
\\\\\\
13=a_1-110\implies \boxed{123=a_1}

\bf \\\\
-------------------------------\\\\
\textit{sum of a finite arithmetic sequence}\\\\
S_n=\cfrac{n}{2}(a_1+a_n)\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
a_n=\textit{value of the }n^{th}\ term\\
------------\\
n=12\\
a_1=123\\
a_{12}=13
\end{cases}
\\\\\\
S_{12}=\cfrac{12}{2}(a_1+a_{12})\implies S_{12}=\cfrac{12}{2}(123+13)

and surely you know how much that is.
6 0
3 years ago
Question 2
kirill [66]
Your answer would be c and d because coefficients are the numbers that go in front of the variables. Have a nice day I hope this helped :)
5 0
3 years ago
a shopkeeper sold an article at a gain of 5%.if he had sold it for rs. 16.50 less, he would have lost 5%.find the cost price of
scZoUnD [109]

Answer:

m,ouih

-step explanation:

5 0
2 years ago
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