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3 years ago

Write the name of the period that has the digits 913.

2 answers:

8 0

The answer is the thousands group . its the way they word the problem that complicates it . 913,256 256 being the ones group 913 being the thousands group . so the name of the period with 913 , is the thousands group .

lesya [120]3 years ago

3 0

It’s kinda in between, but I’ll say the thousands since it’s rlly close.

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Step-by-step explanation:

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3 years ago

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Romashka-Z-Leto [24]

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Step-by-step explanation:

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3 years ago

What value of m makes the system of linear equations mx − y + 3 = 0, (2m − 1)x − y + 4 = 0 have no solution?

Morgarella [4.7K]

Answer:

m ≠1 ( all m in R except 1 )

Step-by-step explanation:

hello :

mx − y + 3 = 0.....(*)

(2m − 1)x − y + 4 = 0 ....(**)

multiply (*) by : -1 you have : -mx+y-3=0 ....(***)

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add(***) and(**) : -mx+ (2m − 1)x+1 =0

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6 0

3 years ago

The population of a local species of dragonfly can be found using an infinite geometric series where a1=42 and the common ratio

san4es73 [151]

$\bf \textit{sum of an infinite geometric serie}\\\\
\stackrel{for~~|r|\ \textless \ 1}{S=\sum\limits_{i=0}^{\infty}~a_1r^i\implies \cfrac{a_1}{1-r}}\qquad 
\begin{cases}
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=42\\
r=\frac{3}{4}
\end{cases}
\\\\\\
S=\cfrac{42}{1-\frac{3}{4}}\implies S=\cfrac{42}{\frac{1}{4}}\implies S=164$

bearing in mind that, the geometric sequence is "convergent" only when |r|<1, or namely "r" is a fraction between 0 and 1.

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3 years ago

A solution to the system y = 2x 7 and x +y= 5? Why or why not

andrezito [222]

Answer:

given that, y=2×7

y=14

and

x+y=5

x+14=5

x=5-14

x=9

x not equal to 5

5 0

2 years ago