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valentina_108 [34]
2 years ago
11

(2x)x(5x^2)= I just needed to write more

Mathematics
1 answer:
prisoha [69]2 years ago
7 0

Answer: 10x^3 hope that is correct

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Use the drop-down menu to create true statements. If the graph of an inverse passes the , you know that the inverse is a functio
Bumek [7]

Answer:

1) vertical-Line test

2)y=x

3)x

4)domain

Step-by-step explanation:

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2 years ago
Is y=2 2 -5x linear or non linear​
Ganezh [65]

Answer:

linear y=22-5x...is linear

8 0
3 years ago
1. Mr.Customs is correcting the class’s math homework on customary units. Which of the following measurements is reasonable?
frosja888 [35]

Answer:

The reasonable measurement in question 1 is D - the distance from New York to California is 2,250 miles.  The best unit of measurement for the length of the distance of your textbook is A - inch.  

Step-by-step explanation:

The United States uses the Imperial System of measurement which uses things such as inches, feet, yards and miles.  In order to understand reasonable measurements, you need to first realize the order in which size would be determined.  For instance, 12 inches is equal to one foot, which can be found on your typical ruler.  Additionally, three feet is equal to one yard, which we can find on a yard stick.  Lastly, there are 1,760 yards in one mile, which is typically measured with some time of pedometer/odometer.  So, when you think about calculating measurement for common things such as a pencil or distance between cities, think about whether this distance could be measured using a ruler or perhaps the odometer on a car.  

3 0
3 years ago
Use the following information to answer the question. The mean age of lead actresses from the top ten grossing movies of 2010 wa
Alex787 [66]

Answer:

You should expect to find about 95% of the lead actresses ages between 16.9 years and 42.3 years.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 29.6 years, Standard deviation = 6.35 years.

Between what two values would you expect to find about 95% of the lead actresses ages

By the Empirical Rule, within 2 standard deviations of the mean. So

29.6 - 2*6.35 = 16.9 years

29.6 + 2*6.35 = 42.3 years

You should expect to find about 95% of the lead actresses ages between 16.9 years and 42.3 years.

4 0
2 years ago
<img src="https://tex.z-dn.net/?f=%20log_%7B2%7D%283x%20%2B%204%29%20%20-%207%20log_%7B4%7D%7Bx%7D%5E%7B2%7D%20%20%2B%20%20log_%
olga2289 [7]

First of all, we need all logarithms to have the same base. So, we use the formula

\log_a(b)=\dfrac{\log_c(b)}{\log_c(a)}

To change the second term as follows:

\log_4(x^2)=\dfrac{\log_2(x^2)}{\log_2(4)}=\dfrac{\log_2(x^2)}{2}

Finally, using the property

\log(a^b)=b\log(a)

we have

\dfrac{\log_2(x^2)}{2}=\log_2(x)

So, the equation becomes

\log_2(3x+4)-7\log_2(x)+\log_2(x)=2 \iff \log_2(3x+4)-6\log_2(x)=2

We can now use the formula

\log(a)-\log(b)=\log\left(\dfrac{a}{b}\right)

to write the equation as

\log_2(3x+4)-6\log_2(x)=2 \iff \log_2(3x+4)-\log_2(x^6)=2 \iff \log_2\left(\dfrac{3x+4}{x^6}\right)=2

Now consider both sides as exponents of 2:

\dfrac{3x+4}{x^6}=4 \iff 4x^6-3x-4=0

This equation has no "nice" solution, so I guess the problem is as simplifies as it can be

5 0
3 years ago
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