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2 years ago

Please look at the attachment. 25 points.

Mathematics

2 answers:

9966 [12]2 years ago

7 0

The answer is 16X^12y^19

aalyn [17]2 years ago

7 0

Answer:

16x^12 y^19

Step-by-step explanation:

I assume for this problem, you would like to simplify this problem

x^4 y^3 * x^4 y^4 * (2x y^3)^4

Note: The symbol * means multiply

= x^4 y^3 * x^4 y^4 * 16x^4 y^12

To simplify exponents that are outside of parentheses, you will have to multiply the exponent of each number inside the exponent to get the answer: (x^n)^m = x^nm

= 16x^(4+4+4) y^(3+4+12)

To simplify exponents with the same base, you will only need to add the exponents, nothing more: x^n * x^m = x^(n+m)

= 16x^12 y^19

The answer to this problem is 16x^12 y^19!

If you have any questions, please let me know! If you could mark this answer as the brainliest, I would greatly appreciate it! :D

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10.3.23

Helga [31]

Answer:

The probability that a high school member selected at random is on the swim team is $\frac{9}{40} = 0.225$

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: High school student.

Event B: Is on the swin team.

Probability of selecting a high school student:

Of the 1500 students, 200 are on high school. So

$P(A) = \frac{200}{1500}$

Probability of selecting a high school student who swims:

Of the 1500 students, 45 are high school students who swim. So

$P(A \cap B) = \frac{45}{1500}$

What is the probability that a high school member selected at random is on the swim team?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{\frac{45}{1500}}{\frac{200}{1500}} = \frac{45}{200} = \frac{9}{40} = 0.225$

The probability that a high school member selected at random is on the swim team is $\frac{9}{40} = 0.225$

4 0

2 years ago

Last week Jordan had 12 marbles . This week he has 21 marbles what is the percentage of increase in the number of marbles Jordan

Elodia [21]

Answer:

75%

Step-by-step explanation:

The <em>number </em>increase is 9. 9 is what percent of 12? 9 is 75% of 12

8 0

2 years ago

a barrel of water contains 60 gallons of water if 21 gallons leaked out what percent of water was left in the barrel

adelina 88 [10]

Answer:

65% remains in the barrel

3 0

3 years ago

Read 2 more answers

-10 F is colder than -4 degrees?

Aleks04 [339]

Answer: yes, it is a smaller temperature, which means that is "colder"

Step-by-step explanation:

I guess that the question is:

Is -10°F colder than - 4°C?

Ok, when we have a temperature T in Celcius, the equation to transform this quantity to the Fahrenheit scale is:

T' = (T*9/5) + 32°

Replacing T by the temperature in celcius, we get:

T' = (-4°*9/5) + 32° = 24.8°F

This means that -4°C is equivalent to 24.8°F

And -10°F is a smaller value than 24.8°F (which mean that is colder)

This implies that -10°F is colder than -4°C

Then the statement is true.

4 0

3 years ago

Please answer!(20pts) Each month your parents deposit $75 into your college fund. The account pays an annual rate of 3.5% compou

balandron [24]

I’m not quite sure but i need to help someone

8 0

2 years ago