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Olegator [25]
3 years ago
11

How many solutions does this equation have 10+5x/15=4

Mathematics
1 answer:
-Dominant- [34]3 years ago
8 0

I think it only has One

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If 3/2 divided by 1/4 =n, then n is between
Mamont248 [21]
3/2 / 1/4 = 3/2 * 4/1 
3*4= 12
2*1= 1
n= 12/1 or 12

Hope this helps! 
6 0
3 years ago
When a number is decreased by 45%, the result is 9. What is the original number to the nearest tenth?
Paul [167]

Answer:

16.4

Step-by-step explanation:

To decrease a number by 45% of its value, you subtract the 45%. To get 45%, you multiply the number by 0.45.

So, if x is the original number, then the equation for this word problem would be x - 0.45x = 9.

To solve, we first subtract 0.45x from x, which is 0.55x. This means that 0.55x is equal to 9. To simplify, we can divide both sides by 0.55. 9/0.55 is 16.36363636..., etc. The nearest tenth would be 0.4, so your answer is 16.4

3 0
3 years ago
What is the decimal number of 2 quaters
Sergio039 [100]
I think 0.50 Hope that helped! Have a good day!
:-)
5 0
4 years ago
Read 2 more answers
If two thirds of a number is decreased by 4, the result is 56. find the number
nikitadnepr [17]
56+4=60\\\\60\times3=180\\\\180:2=\fbox{90}\\\\CHECK:\\\frac{2}{3}\times90-4=2\times30-4=60-4=56

=================================================

128-38=90\\\\90\times9=810\\\\810:5=\fbox{162}\\\\CHECK:\\\\38+\frac{5}{9}\times162=38+5\times18=38+90=128

=================================================

14.6-2.3=12.3\\\\12.3\times5=61.5\\\\61.5:3=\fbox{20.5}\\\\CHECK:\\\\\frac{3}{5}\times20.5+2.3=3\times4.1+2.3=12.3+2.3=14.6
6 0
3 years ago
Read 2 more answers
Write the standard form of the line that passes through (-1,-3) and (2,1)
Pie
Answer:

5 =  - 2x - y
To find this you must find the slope first:
\frac{y - y1}{x - x1}
which is, after performing some calculating is -2.

Next you need to set up your eqaution:
y - y1 = m(x - x1)
when you set it up, and substitute the variables for your slope and points you should get this:
y - ( - 3) =  - 2(x - 1)
y + 3 =  - 2x - 2
add 2 to both sides
y + 5 =  - 2x
subtract y from both sides
5 =  - 2x - y



6 0
3 years ago
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