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3 years ago

What is p(-2) given that p(x)= x^4-3x^2+5x+10

Mathematics

2 answers:

Sophie [7]3 years ago

8 0

Hope this will help u....

Nezavi [6.7K]3 years ago

4 0

Answer:

p(-2)=4

Step-by-step explanation:

When you see something like p(-2) just plug in the number in the parenthesis for every x in the equation.

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2 years ago

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yan [13]

Answer:

2870 miles and 210 miles per hour

Step-by-step explanation:

Multiply 2 hours by 7 to get to 14, so you multiply 410 by 7 to get to 2870 miles. 410/2 equals 210 miles per hour

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3 years ago

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Here are the prices of five new pairs of hockey skates, in dollars: 59, 60, 65, 99, 175. The standard deviation is about $49. If

Phoenix [80]

Answer:

The standard deviation of the new data will be increased as compared to the previous standard deviation of the data.

Step-by-step explanation:

The prices are given to be : 59, 60, 65, 99, 175

Standard deviation = $49

Now, if we add or subtract any constant value to each of the terms then the standard deviation remains unchanged.

But, we add a new price in the given data that is $450

$\text{New standard deviation = }\sqrt{\frac{\sum (\bar{x}-x_i)^2}{n}}\\\\\bar{x}\text{ is the mean of data after adding 450 and}\\x_i\text{ are the price values of the sample data}$

Hence, Standard deviation is calculated to be 139.5

Therefore, the standard deviation of the new data will be increased as compared to the previous standard deviation of the data.

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3 years ago

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When Kirk and Elisa formed their general partnership, Kirk contributed 90 percent of the capital, and Elisa contributed 10 perce

topjm [15]

Answer:

Her share is $3500

Step-by-step explanation:

As a general rule, if they did not make any specifications on how they would share the profit, then they should share it according on how percentage of capital they contributed. Since Elisa only contributed 10%, then she should get only 10% of profit, as a result, her share is 35000*0.1 = $3500.

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3 years ago

Solve for x if 2(1+3x)=14

Gekata [30.6K]

Answer:

x=2

Step-by-step explanation:

2(1+3x)=14

Divide each side by 2

2/2(1+3x)=14/2

1+3x = 7

Subtract 1 from each side

3x =7-1

3x = 6

Divide by 3

3x/3 = 6/3

x =2

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3 years ago