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3 years ago

Which rate is a unit rate?

2 answers:

7 0

The 3rd option (500m/1gal) is the correct answer.

A unit rate is the cost or amount of something per ONE object. So with this we already eliminate the 1st and 4th option. Next, I guess technically both could be considered a unit rate but the 3rd one is for sure an example of a unit rate.

Hope this helped!

Lena [83]3 years ago

3 0

Your answer would be B, $12/ 1 hour

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Lisa’s dog has 4 squeaky toys. Two thirds of the dogs toys are squeaky. How many dog toys does Lisa’s dog have in all?

lys-0071 [83]

Answer:

6 dog toys.

Step-by-step explanation:

If 2/3 of the total dog toys are squeaky, 4 is two thirds of 6, meaning Lisa has 6 dog toys.

8 0

3 years ago

A bag contains tickets numbered 1 through 5. Use the probability distribution to determine the probability of drawing an odd num

Makovka662 [10]

Answer:

The probability of drawing an odd numbered ticket is 60%.

Step-by-step explanation:

Odd numbered tickets:

Probability of one is 1/5 plus half of 1/5.

$P(X = 1) = \frac{1}{5} + \frac{1}{10} = \frac{3}{10}$

Probability of 3 is half of 1/5.

$P(X = 3) = \frac{1}{10}$

Probability of 5 is 1/5. So

$P(X = 5) = \frac{1}{5}$

Probability of drawing an odd numbered ticket:

$p = P(X = 1) + P(X = 3) + P(X = 5) = \frac{3}{10} + \frac{1}{10} + \frac{1}{5} = \frac{4}{10} + \frac{2}{10} = \frac{6}{10} = 0.6$

0.6*100% = 60%

The probability of drawing an odd numbered ticket is 60%.

3 0

2 years ago

Como calcular el 15% de 300

ArbitrLikvidat [17]

300 x .15 y te dará la respuesta

4 0

2 years ago

Rewrite the following expression x^9/7

Alexxx [7]

Answer:

$\sqrt[7]{x^9}$

Step-by-step explanation:

its kinda difficult for me to explain so i guess just use this equation next time:

$x^{m/n} = \sqrt[n]{x^m}$

4 0

3 years ago

The path of a roller coaster after it has reached the top of the first hill follows a polynomial function as shown in the graph

Paraphin [41]

The interval that f(x) is increasing is the distance from 200 to 300.
The minimum value of f(x) in the interval 0<x<300 is 200.
At a value of 500, the value of f(x) is 0.
The function can't be a quadratic function since there are two points in the graph where f(x) changes its rate from increasing to decreasing or the opposite. A quadratic function has only one of that point.

5 0

3 years ago

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