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3 years ago

Can you please help me out on this one

Mathematics

2 answers:

LenaWriter [7]3 years ago

6 0

Answer:

Answer is B

Step-by-step explanation:

Put it in a calculator

vampirchik [111]3 years ago

4 0

Answer:

Step-by-step explanation:

You need to divide 54 by 6

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Which equation could be used to solve this problem? The number of items on two grocery lists differs by 9. The total number of i

serg [7]

X + y = 33
x - y = 9 Add the 2 equations together
---------------
2x = 42 Divide both sides by 2
x = 21

Use the original equation and plug 21 in for x, then solve.
x + y = 33
21 + y = 33
Subtract 21 from both sides
y = 12

One list had 21 items on it and the other list had 12 items on it.

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3 years ago

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Jennifer is taking a 5 question true or false test. If she guesses each time, what is the probability that she will get them all

mash [69]

Answer: 0.001

Step-by-step explanation:

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3 years ago

Brody makes $38,000 per year no matter how many hours he works. Shonda makes $18 per hour and works 40 hours per week. Which one

Ann [662]

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Step-by-step explanation:

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3 years ago

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Given that y = sin(x+y),find the derivative when (x,y)=(π,0)

lisov135 [29]

<h2>Answer:</h2>

Shown in the explanation

<h2>Step-by-step explanation:</h2>

Recall that an implicit function is a relation given by the form:

$R(x_{1},\ldots, x_{n})=0$

Where $R$ is a function of two or more variables. In this case, that function is:

$y = sin(x+y)$

and is implicit because we can define it as:

$y-sin(x+y)=0$ having two variables.

So, let's take the derivative:

$\frac{d}{dx}\left(y\right)=\frac{d}{dx}\left(\sin \left(x+y\right)\right) \\ \\$

Applying chain rule:

$\frac{d}{dx}\left(\sin \left(x+y\right)\right)=\cos \left(x+y\right)\left(1+\frac{d}{dx}\left(y\right)\right)$

But:

$\frac{d}{dx}\left(y\right)=y'$

Therefore:

$y'=\cos \left(x+y\right)\left(1+y'\right)$

Isolating $y'$ :

$\frac{d}{dx}\left(y\right)=y'=\frac{\cos \left(x+y\right)}{1-\cos \left(x+y\right)}$

When $(x,y)=(\pi,0)$ :

$\frac{d}{dx}\left(y\right)|_{(\pi,0)}=\frac{\cos \left(\pi+0\right)}{1-\cos \left(\pi+0\right)} \\ \\ \frac{d}{dx}\left(y\right)|_{(\pi,0)}=\frac{\cos \left(\pi\right)}{1-\cos \left(\pi\right)} \\ \\ \frac{d}{dx}\left(y\right)|_{(\pi,0)}=\frac{-1}{1-(-1)} \\ \\ \boxed{\frac{d}{dx}\left(y\right)|_{(\pi,0)}=-\frac{1}{2}}$

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3 years ago

Find NF I am having trouble

Alexeev081 [22]

Answer:

can you show the picture

Step-by-step explanation:

4 0

3 years ago

Can you please help me out on this one ​

Can you please help me out on this one