4 years ago

Determine if the equation x^2-y=1 defines y as a function of x

Mathematics

1 answer:

neonofarm [45]4 years ago

4 0

hi ,

by isolating y :

y = -X²+1

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A recipe for pie dough calls for a ratio of butter to flour of 3/4:2 1/2. If you plan to use 10 cups of flour, how much butter s

dybincka [34]

Answer:

Therefore 3 cup of butter should be used to keep the same ratio.

Step-by-step explanation:

Given, a recipe for pie dough calls for ratio of butter to flour of $\frac{3}{4}:2\frac{1}{2}$ $=\frac{3}{4} :\frac{5}{2}$

${butter}:{flour} =\frac{3}{4} :\frac{5}{2}$

$\Rightarrow\frac {butter}{flour} =\frac{\frac{3}{4} }{\frac{5}{2}}$

Let, x cups of butter needed.

Given,Flour = 10 cups

$\therefore \frac {x}{10} =\frac{\frac{3}{4} }{\frac{5}{2}}$

$\Rightarrow {x} =\frac{\frac{3}{4}\times 10 }{\frac{5}{2}}$

$\Rightarrow {x} =\frac{{3}\times 10\times 2 }{5\times 4}}$

$\Rightarrow x= 3$

Therefore 3 cup of butter should be used to keep the same ratio.

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3 years ago

Jamie's company prepares a gift bag for each seat at an awards ceremony. The theater has 30 sections, each with 70 seats. Gift b

algol13

Answer:

Step-by-step explanation:

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(you dont need the bits in brackets tehy are there to just explain so you know whay and why im doind a calculation)

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3 years ago

Mandy the elephant weighs 7,390 lbs her baby luna weighs 1492 how many more pounds does mandy weigh than luna

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Answer:

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Step-by-step explanation:

7,390 - 1,492 = 5898

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Why is the function below called a rational function?

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