Which of the following fractions are NOT equivalent to 36/54

Mathematics

2 answers:

Georgia [21]3 years ago

4 0

D.48/72 is the answer to your question . Hope this helps:)

Jet001 [13]3 years ago

3 0

D. 48/72 SHOULD BE THE ANSWER

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Find a_1 and d for an arithmetic sequence with these terms. a_4=9and a_7=18

jonny [76]

$\bf \begin{array}{llll}
term&value\\
-----&-----\\
a_4&9\\
a_5&9+d\\
a_6&(9+d)+d\\
&9+2d\\
a_7&(9+2d)+d\\
&9+3d=\underline{18}
\end{array}\\\\
-------------------------------\\\\
9+3d=18\implies 3d=9\implies d=\cfrac{9}{3}\implies \boxed{d=3}$

$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=7\\
d=3
\end{cases}
\\\\\\
a_7=a_1+(7-1)d\implies 18=a_1+(7-1)3\implies 18=a_1+18
\\\\\\
18-18=a_1\implies \boxed{0=a_1}$

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3 years ago

What is the variance?<br> What is the standard deviation, rounded to the nearest whole number?

Dmitry [639]

Answer:

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What is the standard deviation, rounded to the nearest whole number? 290

5 stars if this helped

Step-by-step explanation:

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There are two options for borrowing $5,000 from a bank: Bank A = 3% simple interest for 5 years Bank B = 2.5% simple interest fo

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Read 2 more answers

Select two ratios that are equivalent to 4:18

fredd [130]

36:8, 9:2, and 72: 16

Step-by-step explanation:

two ratios that are equivalent to 4:18

36:8, 9:2, and 72: 16

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Can someone answer this for me?

Tresset [83]

Answer:

the answer is B

Step-by-step explanation:

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