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3 years ago

Can u tell me the answer to live my life good.and also what is 5+2.

Mathematics

2 answers:

denpristay [2]3 years ago

5 0

Answer:

7 :)

Step-by-step explanation:

lord [1]3 years ago

3 0

Answer:

Step-by-step explanation:

7 and I'm lonely do you have pad let

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PLEASE HELP! 100 POINTS!

BartSMP [9]

Answer:

Mrs. Etercsid

Step-by-step explanation:

One thing we can do is just multiply the averages by the percents in each class and compare from there.

To get from percentages to decimals, we can divide by 100.

For Mr. Tats:

Homework: 25 % -> 0.25

Participation: 10% -> 0.1

Test: 40% -> 0.4

Final: 0.25 -> 0.25

For Mrs. Etercsid:

Homework: 15% -> 0.15

Participation: 10% -> 0.1

Test: 60% -> 0.6

Final: 15% -> 0.15

We can then multiply the averages by the decimals for each teacher and add them up.

Mr. Tats:

0.25 * 81 + 0.1 * 57 + 0.4 * 93 + 0.25 * 87 = 84.9

Mrs. Etercsid:

0.15 * 81 + 0.1 * 57 + 0.6 * 93 + 0.15 * 87 = 86.7

You would get the higher grade with Mrs. Etercsid

7 0

3 years ago

AREA OF A CIRCLE PLS HELP

sweet [91]

Answer:

153.86 ft²

Step-by-step explanation:

Area = $\pi r^2$

= 3.14 * 7 * 7

= 153.86 ft²

8 0

3 years ago

Read 2 more answers

8-4×9+8+7×5+y=8483028 what is y

Sati [7]

Answer:

y = 8,463,013

Step-by-step explanation:

8 - 4 × 9 + 8 + 7 × 5 + y = 8,483,028

Applying BODMAS (order of operations)

We multiply first;

8 - 36 + 8 + 35 + y = 8,483,028

We then add;

we then subtract to get:

y + 8 + 8 + 35 - 36 = 8,483,028

y + 15 = 8,483,028

y = 8,483,028 - 15 = 8,483,013

8 0

3 years ago

A high school janitor has 140 keys on his key chain. Of these 140 keys, 100 open classroom doors, 80 open the

Afina-wow [57]

Answer:

1. P(C) = 5/7

2. P(T) = 4/7

3. P(C and T) = 3/7

4. P(C or T) = 6/7

Correct statement and question:

A high school janitor has 140 keys on his key chain. Of these 140 keys, 100 open classroom doors, 80 open the door to the teachers' lounge, and 60 open classroom doors and the teachers' lounge. Using this information, answer each of the following questions.

Let C be the event that a randomly selected key opens a classroom and T be the event that a randomly selected key opens the teachers' lounge.

1. What is P(C), the probability that a key opens a classroom?

2. What is P(T), the probability that a key opens the teachers' lounge?

3. What is P(C and T), the probability that a key opens a classroom and the teachers' lounge?

4. What is P(C or T), the probability that a key opens a classroom or the teachers' lounge?

Source:

Question that can be found at chegg dot com

Step-by-step explanation:

1. Let's review the information given to us to answer the problem correctly:

Number of keys the high-school janitor has = 140

Number of keys that open classroom doors = 100

Number of keys that open teachers' lounge = 80

Number of keys that open both = 60

2. What is P(C), the probability that a key opens a classroom?

Let's recall the formula of probability:

Probability = Number of favorable outcomes/Total of possible outcomes

Substituting with the real given values:

P(C) = 100/140 = 5/7 (Dividing by 20 numerator and denominator)

P(C) = 5/7

3. What is P(T), the probability that a key opens the teachers' lounge?

Substituting with the real given values:

P(T) = 80/140 = 4/7 (Dividing by 20 numerator and denominator)

P(T) = 4/7

4. What is P(C and T), the probability that a key opens a classroom and the teachers' lounge?

Substituting with the real given values:

P(C and T) = 60/140 = 3/7 (Dividing by 20 numerator and denominator)

P(C and T) = 3/7

5. What is P(C or T), the probability that a key opens a classroom or the teachers' lounge?

P(C or T) = P(C) + P(T) - P(C and T)

Substituting with the real given values:

P(C or T) = 5/7 + 4/7 - 3/7

P(C or T) = 6/7

7 0

4 years ago

Determine whether the statement describes a descriptive or inferential statistic. A recent poll of 3436 luxury car owners in Mic

Reil [10]

Answer:

The statement describes an inferential statistic.

Step-by-step explanation:

The results are being generalized in this vase for the average price of a luxury car in the U.S. by surveying around 3436 luxury car owners.

In inferential statistic, we take the data from the given sample and then we make generalizations about the population.

6 0

4 years ago

Read 2 more answers