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Setler79 [48]
3 years ago
13

Real world problem for 3x-15=10

Mathematics
1 answer:
WINSTONCH [101]3 years ago
3 0
A group of men have x dollars each, then they all want to buy something that costs $15 dollars, they group their money and pay up, then they have $10 left, how much did each man start with?
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2 years ago
X(x+1)-1=4<br> ---<br> please help stuck on this question
Sloan [31]

Answer:

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Step-by-step explanation:

use distributive property: x^2+2x-1=4

remove the -1 by adding 1 on both sides: x^2+2x=5

use the guadratic fromula:  ax²+bx+c=0

plug in the equation x^2+2x-5=0

a,b and c are the coefficients to plug into the formula

a=1, b=2, c=-1

Finally, you will find that x=2

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2 years ago
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3 years ago
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Make r the subject of the formula <br><img src="https://tex.z-dn.net/?f=v%20%3D%20%5Cpi%20%5C%3A%20h%20%7B%7D%5E%7B2%7D%28r%20-%
Vaselesa [24]

Answer:

\boxed{r =  \frac{h}{3}  +  \frac{v}{\pi {h}^{2} } }

Step-by-step explanation:

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8 0
3 years ago
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Aliun [14]

Answer:

54+4.4 is greater

Step-by-step explanation:

if u need explanation than please ask

7 0
2 years ago
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