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MariettaO [177]

2 years ago

10

Sydney reads 50 pages in 40 minutes how many pages does she read per minute

2 answers:

Harman [31]2 years ago

5 0

"Per" in this context essentially means "divided by." To find pages divided by minutes, use the given numbers:

... (50 pages)/(40 minutes) = (50/40) pages/minute = 1.25 pages/minute

kirill115 [55]2 years ago

3 0

1.25 pages per minute.

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You spin each spinner once. You get $50 if you spin a 2 and a vowel. You get $25 if you spin a 2 and a consonant. You get $5 if

Tom [10]

The expected value of the game is $8.75.

----------------------

The expected value is the <u>sum of each outcome multiplied by it's probability</u>.
A probability is the <u>number of desired outcomes divided by the number of total outcomes</u>.

The probability of spinning a 2 and a vowel is: $\frac{1}{4} \times \frac{2}{8} = \frac{2}{32}$ .
Thus, $\frac{2}{32}$ probability of getting $50.

The probability of spinning 2 and a consonant is: $\frac{1}{4} \times \frac{6}{8} = \frac{6}{32}$

Thus, $\frac{6}{32}$ probability of getting $25.

The probability of spinning 1 and a vowel is: $\frac{3}{4} \times \frac{2}{8} = \frac{6}{32}$ .
Thus, $\frac{6}{32}$ probability of getting $5.

32 - (6 + 6 + 2) = 18, thus, $\frac{18}{32}$ probability of earning $0.

The expected value is:

$E = \frac{2}{32}(50) + \frac{6}{32}(25) + \frac{6}{32}(5) + \frac{18}{32}(0)$

$E = \frac{100 + 150 + 30}{32}$

$E = \frac{280}{32}$

$E = 8.75$

The expected value of this game is of $8.75.

A similar problem is given at brainly.com/question/24961584

8 0

2 years ago

Find the common ratio of the following geometric sequence 5/12, 1/4 , 3/20,9/100,27/500

mixas84 [53]

All you have to is divide two consecutive terms to calculate the common ratio

1/4 divided by 5/12 = 1/4 * 12/5 = 12/20 = 3/5

7 0

3 years ago

A store recorded the number of sweatshirts sold on several days throughout the year. The

Sholpan [36]

Answer:

C. 50

Step-by-step explanation:

I would say it looks more like 60 and 50 is the closest

6 0

2 years ago

Read 2 more answers

Please help me answer this. Ty

blsea [12.9K]

I think 63, but I'm not sure, how do I delete an answer-

4 0

2 years ago

Read 2 more answers

Simplify the following expression by combining like terms.

Aleks04 [339]

Answer:

8x^2+3x

Step-by-step explanation:

What I read is 2x+8x^2-4x+5x

combining like terms means putting the terms that have the same variable part together

8x^2 is the only one that doesn't have any terms like it as far as the variable part

so 8x^2+2x-4x+5x

We just need to figure out 2-4+5 which is -2+5=3

So the answer is 8x^2+3x

7 0

2 years ago