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alekssr [168]
3 years ago
7

How to simplify this expression shown below ?​

Mathematics
2 answers:
Anna11 [10]3 years ago
6 0

15 * 1/3x = 5x

15 * 5 = 75

5x + 75 is the simplified expression

dem82 [27]3 years ago
5 0

Answer:

x=-4

Step-by-step explanation:

-6 times 1/2x is -3x

-6 time -2 is 12

so you have (-3x+12)

-3 divided by 12 is -4

so X=-4  

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oksano4ka [1.4K]
Since you can spend all but 20%, then you can spend the rest, namely the 80%.

whatever% of anything is just (whatever/100) * anything.

therefore, 80% of 225 is then (80/100) * 225, that much.
8 0
4 years ago
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The expression x−y equals 0.7 if x and y have certain values. Evaluate the following expressions with the same values of x and y
Marina86 [1]

Answer:

-0.7

Step-by-step explanation:

x-y=0.7

You can choose any digits you wish for x and y but the difference must be 0.7. I chose 1.0 and 0.3.

x=1\\y=0.3\\x-y=0.7\\\\y-x=\\0.3-1=\\-0.7

8 0
4 years ago
4. You roll a standard number cube once. Let A
amm1812

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i thenk it is 12 persent

Step-by-step explanation:

6 0
4 years ago
4/10x - 2x + 8/5 = 4/5
mamaluj [8]

\large\displaystyle\text{$\begin{gathered}\sf \left(\frac{4}{10}\times x\right)-(2 \times x)+\frac{8}{5}=\frac{4}{5}    \end{gathered}$}

Reduce the fraction 4/10, to its minimum expression, extracting and canceling 2.

  • \large\displaystyle\text{$\begin{gathered}\sf \frac{2}{5}x-2x+\frac{8}{5}=\frac{4}{5}    \end{gathered}$}

Combine \bf{\frac{2}{5}x } and -2x to get \bf{-\frac{8}{5}x}.

  • \large\displaystyle\text{$\begin{gathered}\sf -\frac{8}{5}x+\frac{8}{5}=\frac{4}{5} \     \end{gathered}$}

Subtract 8/5 from both sides.

  • \large\displaystyle\text{$\begin{gathered}\sf -\frac{8}{5}x=\frac{4}{5}-\frac{8}{5} \ \    \end{gathered}$}

Since 4/5 and 5/8 have the same denominator, join their numerators to subtract them.

  • \large\displaystyle\text{$\begin{gathered}\sf -\frac{8}{5}x=\frac{4-8}{5}   \end{gathered}$}

Subtract 8 from 4 to get -4.

  • \large\displaystyle\text{$\begin{gathered}\sf -\frac{8}{5}x=-\frac{4}{5}   \end{gathered}$}

Multiply both sides by \bf{-\frac{5}{8}}, the reciprocal of \bf{-\frac{5}{8}}.

  • \large\displaystyle\text{$\begin{gathered}\sf x=-\frac{4}{5}\left(-\frac{5}{8}\right)   \end{gathered}$}

Multiply -4/5 by -5/8 (to do this, multiply the numerator by the numerator and the denominator by the denominator).

  • \large\displaystyle\text{$\begin{gathered}\sf x=\frac{-4(-5)}{5\times8} \ \to \ \ Multiply  \end{gathered}$}
  • \large\displaystyle\text{$\begin{gathered}\sf x=\frac{20}{40}  \end{gathered}$}

Reduce the fraction 20/40 to its lowest expression by extracting and canceling 20.

  • \boxed{\large\displaystyle\text{$\begin{gathered}\sf x=\frac{1}{2}  \end{gathered}$}}

  • <u>Good luck in your studies</u>
3 0
2 years ago
A bicycle store costs ​$2400 per month to operate. The store pays an average of ​$75 per bike. The average selling price of each
Lena [83]

Answer:

they need to sell 32 bikes

Step-by-step explanation:

75 x 32 = 2,400

5 0
3 years ago
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