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Ierofanga [76]
3 years ago
5

What exactly are prime numbers?

Mathematics
2 answers:
olga_2 [115]3 years ago
6 0
Prime numbers are numbers that are greater than one and its only factors, the things that multiply to equal it, are one and itself. An example is the number seven the only numbers multiplied together that can equal 7 are 7x1.
nignag [31]3 years ago
4 0
Prime numbers are numbers that only have a factor of one and its self.
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5 2/5 x 9 2/10<br><br> Please help *multiplying fractions
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Step-by-step explanation:

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In order for the data in the table to represent a linear function with a rate of change of 8, what must be the value of a? 10 27
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3 years ago
What is 1 2/5 × 2<br>what is 1/4 × 1​
Mrrafil [7]

Answer:

1).  2\frac{4}{5}

2).  \frac{1}{4}

Step-by-step explanation:

1). 1\frac{2}{5}*2

Convert mixed number to improper fraction: a\frac{b}{c} =\frac{a*c+b}{c}

1\frac{x2}{5} =\frac{1*5+2}{5} =\frac{7}{5}

\frac{7}{5} *2

\frac{7}{5} *2

Apply the fraction rule: \frac{a}{b}*c =\frac{a*c}{b}

\frac{7}{5} *2=\frac{7*2}{5}

=\frac{7*2}{5}

Multiply the numbers: 7*2=14

=\frac{14}{5}

Convert improper fractions to mixed numbers: \frac{14}{5}

\frac{14}{5}

Write the problem in long division format:

\begin{matrix}5\overline{|\smallspace14}\space\space\space\space\space\space\space\space\space\space\space\space\end{matrix}

Divide 14 by 5 to get 2

\begin{matrix}\space\space\space\space\space\space\emptyspace2\space\space\space\space\space\space\space\space\space\space\space\space\\ 5\overline{|\smallspace14}\space\space\space\space\space\space\space\space\space\space\space\space\end{matrix}

Multiply the quotient digit (2) by the divisor 5

\begin{matrix}\space\space\space\space\space\space\emptyspace2\space\space\space\space\space\space\space\space\space\space\space\space\\ 5\overline{|\smallspace14}\space\space\space\space\space\space\space\space\space\space\space\space\\ \space\space\space\space\underline{\emptyspace1\emptyspace0}\space\space\space\space\space\space\space\space\space\space\space\space\end{matrix}

Subtract 10 from 14

\begin{matrix}\space\space\space\space\space\space\emptyspace2\space\space\space\space\space\space\space\space\space\space\space\space\\ 5\overline{|\smallspace14}\space\space\space\space\space\space\space\space\space\space\space\space\\ \space\space\space\space\underline{\emptyspace1\emptyspace0}\space\space\space\space\space\space\space\space\space\space\space\space\\ \space\space\space\space\space\space\emptyspace4\space\space\space\space\space\space\space\space\space\space\space\space\end{matrix}

The solution for long division of \frac{14}{5} is 2 with a remainder of 4

2\quad \mathrm{Remainder}\quad \:4

Convert to mixed number: Quotient\frac{Remainder}{Divisor}

\frac{14}{5} =2\frac{4}{5}

=2\frac{4}{5}

2\frac{4}{5}

Convert \frac{4}{5} to decimal using long division

\frac{4}{5}

Divide 4 by 5 to get 0

\begin{matrix}\space\space\space\space\emptyspace0\space\space\space\space\space\space\space\space\space\space\space\space\\ 5\overline{|\smallspace4}\space\space\space\space\space\space\space\space\space\space\space\space\end{matrix}

Multiply the quotient digit (0) by the divisor 5

\begin{matrix}\space\space\space\space\emptyspace0\space\space\space\space\space\space\space\space\space\space\space\space\\ 5\overline{|\smallspace4}\space\space\space\space\space\space\space\space\space\space\space\space\\ \space\space\space\space\underline{\emptyspace0}\space\space\space\space\space\space\space\space\space\space\space\space\end{matrix}

Subtract 0 from 4

\begin{matrix}\space\space\space\space\emptyspace0\space\space\space\space\space\space\space\space\space\space\space\space\\ 5\overline{|\smallspace4}\space\space\space\space\space\space\space\space\space\space\space\space\\ \space\space\space\space\underline{\emptyspace0}\space\space\space\space\space\space\space\space\space\space\space\space\\ \space\space\space\space\emptyspace4\space\space\space\space\space\space\space\space\space\space\space\space\end{matrix}

Add a decimal place and a zero to the dividend

Bring down the zero from the dividend

\begin{matrix}\space\space\space\space\emptyspace0.\space\space\space\space\space\space\space\space\space\space\space\\ 5\overline{|\smallspace4.0}\space\space\space\space\space\space\space\space\space\\ \space\space\space\space\underline{\emptyspace0}\space\space\space\space\space\space\space\space\space\space\space\space\\ \space\space\space\space\emptyspace4\emptyspace0\space\space\space\space\space\space\space\space\space\space\end{matrix}

Divide 40 by 5 to get 8

\frac{40}{5} =8

The solution for long division of \frac{4}{5} is 0.8

=2+0.8

Add 2+0.8=2.8

2). \frac{1}{4} *1

Multiply \frac{1}{4} *1=\frac{1}{4}

=\frac{1}{4}

Anything multiplied by 1 is the same number.

Divide the the numbers \frac{1}{4} to get decimal form

Divide 1 by 4

\frac{1}{4} =0.25

=0.25

8 0
3 years ago
Read 2 more answers
I need help with it pls help I will really appreciate it !
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Answer:

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Step-by-step explanation:

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