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soldier1979 [14.2K]
4 years ago
6

Which decimal is equivalent to (5 × 10) + (2 × 1/100)? a 50.002 b 5.02 c 50.20 d 50.02

Mathematics
2 answers:
nikklg [1K]4 years ago
6 0
I got 50.02 For the answer :)
11111nata11111 [884]4 years ago
4 0

Answer:

d 50.02

Step-by-step explanation:

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Miranda enlarged a picture twice as shown below, each time using a scale factor of 3.
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Answer:

a,c,d

Step-by-step explanation:

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3 years ago
Geometric mean of 2 and 10
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It’s 10. Correct me if I’m wrong :)
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Find the value of x need help asap
oee [108]

Answer:

B

Step-by-step explanation:

In 45 45 90 triangles the ratio is a:a:a root 2 so the answer would be 3root 2/2 or c because when multiplied again by root 2 it will get you 3.

5 0
3 years ago
What is the sum of the geometric series in which a1 = 4, r = 3, and an = 324?
olganol [36]
\bf n^{th}\textit{ term of a geometric sequence}\\\\
a_n=a_1\cdot r^{n-1}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=4\\
r=3\\
a_n=324
\end{cases}
\implies 
324=4(3)^{n-1}
\\\\\\
\cfrac{324}{4}=3^{n-1}\implies 81=3^{n-1}\implies 3^4=3^{n-1}\implies 4=n-1
\\\\\\
\boxed{5=n}\\\\

\bf -------------------------------\\\\
\qquad \qquad \textit{sum of a finite geometric sequence}\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=4\\
r=3\\
n=5
\end{cases}
\\\\\\
S_5=4\left( \cfrac{1-3^5}{1-3} \right)\implies S_5=4\left(\cfrac{1-243}{-2}  \right)

and surely you know how much that is.
8 0
3 years ago
What is five times the number of books in the library?
lord [1]
I assume this an algebraic expression..sooo the variable L will represent the number of books in the library, and five times the number of books in the library would be 5L
3 0
3 years ago
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