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3 years ago

Sizes and prices of milk

1 answer:

6 0

The best option is to buy 2 gallons for $5.98 because if you do your work and check how much everything else costs for 2 gallons (example: 1/4 gallons multiplied by 8 equals $14.40 which is 2 gallons) you'll see that everything else is too expensive, and the 2 gallons for $5.98 is the best answer.

I hope this helps :)

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Sergio has 79 paintings in his art collection. He and other local painting collectors agreed to donate some paintings to the loc

masya89 [10]

It was stated in the problem that there are t collectors. Therefore, there are (t + 1) collectors including Sergio. Since each collectors will donate the same number of paintings and their total number of donated paintings is 48, each should contribute 48/(t + 1) paintings. So, after the donation Sergio will be left with 79 – 48/(t + 1) paintings.

4 0

3 years ago

The probability of event A is x, and the probability of event B is y. If the two events are independent, which of these conditio

Inga [223]

Answer:

P(B|A)=y

Step-by-step explanation:

The complete question is shown in the attachment.

If the events, A and B are independent, then

P(A and B) = P(A)×P(B)

But from the question:

P(A)=x and P(B)=y

This implies that:

P(A and B) = xy

Also, the conditional probabilities are:

P(A\B)=P(A)=x

P(B\A)=P(B)=y

Therefore the correct answer is A

5 0

3 years ago

For what values of theta (0 less than or equal to theta less than or equal to 2pi) do maximum r values occur on the graph the po

9966 [12]

Answer:

Step-by-step explanation:

To find the values of the angle which makes maximum r you use the derivative of r

$\frac{dr}{d\theta}=\frac{1}{3}sin(3\theta)$

If you equals this derivative to zero you obtain the value of the angle:

$\frac{dr}{d\theta}=0\\\\cos3\theta=0\\\\3\theta=\frac{\pi}{2}\\\\\theta=\frac{\pi}{6}$

However, the values of 5π/6 and 9π/6 are also available, because makes the sinusoidal function equal to 1.

hence, the answer is:

$\theta_1=\frac{\pi}{6} \\\\\theta_2=\frac{5\pi}{6}\\\\\theta_3=\frac{9\pi}{6}=\frac{3\pi}{2}$

answer b

7 0

3 years ago

What is the discount of a baseball hat that is $34 with a 28% discount?

algol13

Answer:

12 bucks

Step-by-step explanation:

6 0

3 years ago

Ron bought a keychain for $7 and 3 t-shirts. He spent a total of $37. How much does each t-shirt cost?

White raven [17]

Answer:

$10

Step-by-step explanation:

Subtract the price of the keychain, $7, from the total to find the price of the 3 t-shirts:

$37 - $7 = $30

The 3 t-shirts cost a total of $30.

We assume all t-shirts have the same price.

price of 1 t-shirt = $30/3 = $10

Answer: $10

4 0

2 years ago