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nignag [31]
2 years ago
14

Factor –7x3 21x2 3x – 9 by grouping. what is the resulting expression? (3 – 7x)(x2 – 3) (7x – 3)(3 x2) (3 – 7x2)(x – 3) (7x2 – 3

)(3 x)
Mathematics
1 answer:
juin [17]2 years ago
8 0

The factors of the expression are \rm(3 - 7x^2)(x - 3)

<h3>How to find factors in the expression?</h3>

First group the first two terms and the last two terms together respectively.

The factors of the expression are given by;

\rm= -7x^3 + 21x^2 + 3x - 9\\\\=-7x^2(x - 3) + 3(x - 3)\\\\=(3 - 7x^2)(x - 3)

Hence, the factors of the expression are \rm \rm(3 - 7x^2)(x - 3).

To know more about factors click the link given below.

brainly.com/question/9645056

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tom rides the bus part of the way to school and then he walks the rest pf the way. he walks five minutes longer than he rides. t
ruslelena [56]

Answer:

16 minutes

Step-by-step explanation:

Tom walks for 5 minutes longer than he rides. To figure out the answer, start by subtracting 5:

27 - 5 = 22

Now that you have done this, divide 22 by 2:

22/2 = 11

Now you know that he rode the bus for 11 minutes, and you can add five to the other 11 minutes to know how long he walked:

11 + 5 = 16.

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3 years ago
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3 years ago
Find the specified nth term in the expansion of the binomial.<br> (8a + 3b)5, n = 5
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Answer:

b= 1/3n - 8a/3

Step-by-step explanation:

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3 years ago
Bryce is looking at a map of a theme park. The map is laid out in a coordinate system. Bryce is at (2, 3). The roller coaster is
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Answer:

Bryce is closer to the <u>roller coaster</u> as compared to the water ride.

Step-by-step explanation:

Given :

Bryce is at point (2,3)

Roller coaster is at point (7,8)

Water ride is at point (9,1)

To find whether Bryce is closer to roller coaster or the water ride.

Solution.

In order to determine the closeness of Bryce from either of the two rides, we will need to find the distance of Bryce from each of them. We can apply distance formula in order to do so.

By distance formula to find distance between two points (x_1,y_1) and (x_2,y_2).

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Distance between Bryce (2,3) and roller coaster (7,8) can be given as:

d_1=\sqrt{(7-2)^2+(8-3)^2}

d_1=\sqrt{(5)^2+(5)^2}

d_1=\sqrt{25+25}

d_1=\sqrt{50}

d_1=7.07 units

Distance between Bryce (2,3) and water ride (9,1) can be given as:

d_2=\sqrt{(9-2)^2+(1-3)^2}

d_2=\sqrt{(7)^2+(-2)^2}

d_2=\sqrt{49+4}

d_2=\sqrt{53}

d_2=7.28 units

Thus, we can see that Bryce is closer to the roller coaster as compared to the water ride.

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3 years ago
Find the measure of an exterior angle of a regular polygon with 9 sides
Contact [7]

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3 years ago
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