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2 years ago

Please help me i will give brainliest if it lets me

Mathematics

1 answer:

Oliga [24]2 years ago

4 0

HELLO!!!

The ratio of pasta to chicken in recipe A is greater than the pasta to chicken in recipe B.

If we divide out our entire top row of recipe A, we have

2 servings, 1/4 pounds of chicken and .75 or 3/4 pounds of pasta. While in recipe B there is 2 servings and 1/4 pounds of chicken used,but 3/4 pasta is more than the 1/2 used in recipe B.

This mean that greater than is the correct answer to the question.

I HOPE THIS HELPS !!! & Good Luck <3

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On which number line are -3 and its opposite shown?

alekssr [168]

Answer:

Can you provide more context, as the standard number line shows -3 and the opposite of -3 which is +3

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3 years ago

Read 2 more answers

Hi, help with question 18 please. thanks

Vadim26 [7]

Answer:

See Below.

Step-by-step explanation:

We are given the equation:

$\displaystyle y^2 = 1 + \sin x$

And we want to prove that:

$\displaystyle 2y\frac{d^2y}{dx^2} + 2\left(\frac{dy}{dx}\right) ^2 + y^2 = 1$

Find the first derivative by taking the derivative of both sides with respect to <em>x: </em>

<em /> $\displaystyle 2y \frac{dy}{dx} = \cos x$ <em />

Divide both sides by 2<em>y: </em>

<h3><em /> $\displaystyle \frac{dy}{dx} = \frac{\cos x}{2y}$ <em /></h3>

<em />

Find the second derivative using the quotient rule:

$\displaystyle \begin{aligned} \frac{d^2y}{dx^2} &= \frac{(\cos x)'(2y) - (\cos x)(2y)'}{(2y)^2}\\ \\ &= \frac{-2y\sin x-2\cos x \dfrac{dy}{dx}}{4y^2} \\ \\ &= -\frac{y\sin x + \cos x\left(\dfrac{\cos x}{2y}\right)}{2y^2} \\ \\ &= -\frac{2y^2\sin x+\cos ^2 x}{4y^3}\end{aligned}$

Substitute:

$\displaystyle 2y\left(-\frac{2y^2\sin x+\cos ^2 x}{4y^3}\right) + 2\left(\frac{\cos x}{2y}\right)^2 +y^2 = 1$

Simplify:

$\displaystyle \frac{-2y^2\sin x-\cos ^2x}{2y^2} + \frac{\cos ^2 x}{2y^2} + y^2 = 1$

Combine fractions:

$\displaystyle \frac{\left(-2y^2\sin x -\cos^2 x\right)+\left(\cos ^2 x\right)}{2y^2} + y^2 = 1$

Simplify:

$\displaystyle \frac{-2y^2\sin x }{2y^2} + y^2 = 1$

Cancel:

$\displaystyle -\sin x + y^2 = 1$

Substitute:

$-\sin x + \left( 1 + \sin x\right) =1$

Simplify. Hence:

$1\stackrel{\checkmark}{=}1$

Q.E.D.

8 0

3 years ago

if a duck is quacking upside down and I drive my car into the refrigerator then why is there an octopus on my ceiling?

Amanda [17]

Since the ducks quack in the reverse position of upright is louder than normal, it obstructs your driving causing you to drive into a refrigerator. the octopus had always been there

7 0

3 years ago

PLZZZZ HELP ILY

Bingel [31]

Answer:

Seats increase by 4 each time a table is added.

Seats = 4 x #ofTables

Step-by-step explanation:

You have 6 seats with one table

You have 10 seats with two

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If you try out five, there will be 18 seats

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7 0

3 years ago

If f(x)=3-2x and g(x)=1/x+5, what is the value of (f/g)(8)

Leto [7]

Answer:

(f/g)(8)= f(8)/g(8)= = 65/41

Step-by-step explanation:

f(x)=3 - 2x

g(x)=1/x +5

The easiest approach is to eval first the point in every function before performing the division, thus we have that:

f(8)= 3-2*8=-13

g(8)=1/8 +5= 41/5

Now, (f/g)(8)= f(8)/g(8)= 13 / (41/5) = 65/41

5 0

4 years ago