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Nezavi [6.7K]
3 years ago
14

What is the product of (2p + 7)(3p2 + 4p – 3)?

Mathematics
1 answer:
Margaret [11]3 years ago
3 0
6p^3+29p^2+22p-21 i believe!
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What is the solution to the inequality below?
Svetlanka [38]

Answer:

B. x < -8 or x > 8

Step-by-step explanation:

You can use process of elimination to solve this problem by going through every solution and testing them out, but let's jump right to B.

Process:

You know that since the inequality states that x^2 has to be greater than 64, x  has to be more than 8, or less than -8.

This is because 8^2 = 64, and -8^2 = 64, and the inequality requires the answer to be more than 64.

Looking at B., you can see that if x is < -8, the square of, for example, -9, would be 81. This is greater than 64, so this works!

Now, B. also has an alternative. The 'or' is a major clue to which is the correct answer, since the square root of any number can be positive or negative. (-8^2 = 8^2)

The 'or' states that x must be greater than 8. So, for example, if we take the square of 10, we get 100, and that is also greater than 64.

We've proven that this solution is accurate for both parts, so it is definitely the one we want!

Hope this helps!

4 0
3 years ago
Shawn sells 36 vehicles in 4 weeks. Brett sells 56 vehicles in 7 weeks .who seeks more vehicles per week
myrzilka [38]

Answer:

Shawn

Step-by-step explanation:

We can find the amount of vehicles sold in one week by dividing the total vehicles sold by the number of weeks

Shawn:

36 vehicles / 4 weeks

9 vehicles/week

Brett:

56 vehicles / 7 weeks

8 vehicles/week

9 is greater than 8 so Shawn sells more vehicles per week

4 0
3 years ago
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Gala2k [10]
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3 years ago
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Alejandro surveyed his classmates to determine who has ever gone surfing and who has ever gone snowboarding. Let A be the event
victus00 [196]

Answer:

{A and B are independent events}, P(A|B)=P(A)=0.16

Step-by-step explanation:

First of all we need to know when does two events become independent:

For the two events to be independent,  P(A|B)=P(A) that is if condition on one does not effect the probability of other event.

Here, in our case the only option that satisfies the condition for the events to be independent is  P(A|B)=P(A)=0.16.. Rest are not in accordance with the definition of independent events.

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3 years ago
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Write 295 in expanded form
ki77a [65]
200+90+5 is the answer
6 0
3 years ago
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