3 years ago

If you type 40 words per minute how long would it take to type 310,000 words?

Mathematics

1 answer:

snow_tiger [21]3 years ago

6 0

Answer:

7,750 minutes

Step-by-step explanation:

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Lucy went to the pet store to buy 17 fish for her aquarium. She bought Fancy Goldfish for $13.49 each and Plecos for $3.25 each.

tatuchka [14]

Step-by-step explanation:

let gold fish= X

let Plecos fish= Y

X +Y = 17................(I)

13.49X + 3.25Y =198.61........(II)

solve simuteniously to get

X = 14

Y = 3.....therefore

she bought 14 gold fish and 3 plecos fish

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3 years ago

The solution to this system of equations lies between the x-values -2 and -1.5. At which x-value are the two equations approxima

drek231 [11]

Hello,
$\left \{ {{y= \dfrac{1}{x+2} } \atop {y=x^2+2}} \right. \\\\

 \left \{ {{y= \dfrac{1}{x+2} } \atop {\dfrac{1}{x+2}=x^2+2}} \right. \\\\

 \left \{ {{y= \dfrac{1}{x+2} } \atop {x+2= \dfrac{1}{x^2+2} }} \right. \\\\

 \left \{ {{y= \dfrac{1}{x+2} } \atop {x= \dfrac{1}{x^2+2} -2}} \right. \\\\


$
x=-1.81053571 and y= 5,27803957

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3 0

3 years ago

Read 2 more answers

What is a proportion (please don't explain it like a teacher)?

dlinn [17]

Answer:

a number to another number

Step-by-step explanation:

One number in comparison to another number

for example 3/4=4/5x

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