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Lisa [10]
3 years ago
8

What is the value of x

Mathematics
2 answers:
mixer [17]3 years ago
3 0

Answer:

its 3/2

Step-by-step explanation:

Ugo [173]3 years ago
3 0

Answer:

none x= 3/2

Step-by-step explanation:

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Rufus appears before Bill and Ted and offers them a bogus proposition: they must paint a house together with their magical guita
jolli1 [7]

Answer:

6.79

Step-by-step explanation:

-Let X denote the total amount of the job.

-The job has to be done in 5 hrs, therefore the portion done every hour is:

Rate=\frac{Total}{Time}\\\\=\frac{X}{5}\\\\=\frac{1}{5}X=0.2X

Therefore, the rate of Bill and Ted working jointly must equal the rate calculated above:

R_{Bill}=\frac{X}{19}\\\\=\frac{1}{19}X\\\\R_{Bill}+R_{Ted}=R_{required}\\\\\frac{1}{19}X+R_{Ted}=\frac{1}{5}X\\\\R_{Ted}=\frac{1}{5}X-\frac{1}{19}X\\\\=\frac{14}{95}X\\\\\therefore \frac{14}{95}X=1\ hr\\\\X=1\div \frac{14}{95}\\\\=6.7857\approx 6.79hrs

Hence, Bill working alone should complete the house in 6.79 hrs

6 0
3 years ago
A boy spent one-half of his money for a book and one-third of his money for a pen. The remaining $2.25 he saved. How much money
Tema [17]
Let his original money is x

So, \frac{x}{2} + \frac{x}{3} + 2.25 = x
or, \frac{3x+2x+(6*2.25)}{6} = x
or, 5x + 13.5 = 6x
or, x = 13.5

So, he had $13.5 originaly. 

Thanks!
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Is it possible to have a rectrangkw with an area of 300ftv
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