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3 years ago

Semeet uses 0.4 gallon of gasoline each hour moving lawns. how much gas does she use in 4.2 hours

Mathematics

2 answers:

DochEvi [55]3 years ago

7 0

Answer:

1.68 gallons of gas

Step-by-step explanation:

0.4*4.2=1.68

Vlad1618 [11]3 years ago

6 0

Answer:

1.68 gallons of gasoline

Step-by-step explanation:

0.4*4.2=1.68

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Please help me with this equation, the values are in the file <br><br> x + B = Fx - Dx + H

Olin [163]

Answer:

x = -6

Step-by-step explanation:

B = 2

F = 6

D = 4

H = 8

x + B = Fx - Dx + H

x + 2 = 6x - 4x + 8

x + 2 = 2x + 8

-x = 6

x = -6

3 0

2 years ago

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How do I solve 6/2 + 8/3

Xelga [282]

Answer:

The solved given fractional expression is $\frac{17}{3}$

Therefore the given fractional expression becomes

$\frac{6}{2}+\frac{8}{3}=\frac{17}{3}$

Step-by-step explanation:

Given fractional expression is $\frac{6}{2}+\frac{8}{3}$

To solve the given fractional expression as below :

$\frac{6}{2}+\frac{8}{3}$

$=3+\frac{8}{3}$

$=\frac{3\times 3+8}{3}$

( here taking the term 3 as LCM )

$=\frac{9+8}{3}$ ( by adding the sums here )

$=\frac{17}{3}$

$\frac{6}{2}+\frac{8}{3}=\frac{17}{3}$

Therefore the solved given fractional expression is $\frac{17}{3}$

Therefore the given fractional expression becomes

$\frac{6}{2}+\frac{8}{3}=\frac{17}{3}$

The solved given fractional expression is $\frac{6}{2}+\frac{8}{3}=\frac{17}{3}$

7 0

3 years ago

1) There are 43 girls and 25 boys in the Valley View Middle School chorus. What is the ratio of girls to boys? 43 to 25, or 43:2

Arturiano [62]

Answer:

Oh gosh. Im not positive but I think it would be 43:25. Please dont get mad at me if its wrong!

Step-by-step explanation:

I am so sorry if its wrong but im not very sure :-(

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2 years ago

The manager of a gas station has observed that the times required by drivers to fill their car's tank and pay are quite variable

maw [93]

Answer: 0.49

Step-by-step explanation:

The mean= E[x]=1/l= 7.5 min

l=1/7.5 =10/75=2/15

The exponential distribution's probability density function is looking like that:

F(x)= l*e^(-l*x) = 2/15*e^(-2*x/15)

P(0<x<5)= e^(-0*2/15)- e^(-5*2/15)=1- e^(-2/3)= approx 0.49

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3 years ago

One pound equals approximately 454 grams.<br> About how many grams is à pound?

Degger [83]

Answer:

the answer is 453.592

Step-by-step explanation:

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3 years ago

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