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3 years ago

2 step word problems. 2. Joe and 3 of his friends went to Pizza Haven. They bought a pizza and he ordered a drink

Mathematics

1 answer:

ololo11 [35]3 years ago

3 0

Answer: $6

Step-by-step explanation: I'm assuming that Joe bought the pizza and drink with his own money since it doesn't say that they divided the price. Since his drink was $3, that means that the pizza must have been $6.

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Find the critical numbers of the function. (Enter your answers as a comma-separated list. Use n to denote any arbitrary integer

lyudmila [28]

$f(\theta)=10\cos\theta+5\sin^2\theta$

then the derivative is

$f'(\theta)=-10\sin\theta+10\sin\theta\cos\theta$

Critical points occur where $f'(\theta)=0$ . This happens for

$-10\sin\theta+10\sin\theta\cos\theta=0$

$-10\sin\theta(1-\cos\theta)=0$

$\implies-10\sin\theta=0\text{ or }1-\cos\theta=0$

In the first case, we find

$-10\sin\theta=0\implies\sin\theta=0\implies\theta=n\pi$

In the second,

$1-\cos\theta=0\implies\cos\theta=1\implies\theta=2n\pi$

So all the critical points occur at multiples of $\pi$ , or $n\pi$ . (This includes all the even multiples of $\pi$ .)

3 0

4 years ago

Ricardo has agreed to tutor for the school. He owes his older brother $59 and would like to end the summer with at least $400 in

Dvinal [7]

Answer:

44 or 45

Step-by-step explanation:

400 divided by nine

5 0

3 years ago

Read 2 more answers

Are the two triangles shown below similar? yes or no. explain

IgorLugansk [536]

Answer:

Yes

Step-by-step explanation:

Since the triangles have two congruent angles, the third angle is also congruent.

The sides of one triangle are proportional to the corresponding sides of the other triangle.

8 0

3 years ago

Read 2 more answers

Evaluate the function at the given value and simplify.

Licemer1 [7]

Answer:

The correct option is b.

Step-by-step explanation:

The given function is

$f(x)=-5x+1$

We need to find the value of f(-2). It means we have to find the value of given function at x=-2.

Substitute x=-2 in the given function to find the value of f(-2).

$f(-2)=-5(-2)+1$

On simplification we get

$f(-2)=10+1$

$f(-2)=11$

The value of f(-2) is 11. Therefore the correct option is b.

8 0

3 years ago

Find the value of x if the arithmetic mean of 3 and 3x+5 is 8?

mina [271]

Answer:

Step-by-step explanation:

3x+5=8

Group like terms

3x=8-5

3x=3

Divide both side by the co-efficient of x which is 3

3x/3=3/3

x=1

8 0

3 years ago