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Harlamova29_29 [7]
2 years ago
12

The product of a binomial and a trinomial is x 3 + 3 x 2 − x + 2 x 2 + 6 x − 2. Which expression is equivalent to this product a

fter it has been fully simplified?
Mathematics
1 answer:
Oksana_A [137]2 years ago
4 0

Answer:

x³ + 5x² + 5x - 2

Step-by-step explanation:

Combine like terms.

x³ + 3x² − x + 2x² + 6x − 2 =

= x³ + 5x² + 5x - 2

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Here’s question 2 once again I’ll give brainlest
andreev551 [17]

Answer:

51

Step-by-step explanation:

sum of squares of legs, equal to the square of the hypotenuse.

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576+2,025=√2,601

√2,601=51

6 0
2 years ago
Twenty shirts are in the closet. Two of them fell on the floor.
stepladder [879]

Answer:

irdk

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and irdc

4 0
2 years ago
What is 2(x -3) = 7 (x+24)
amm1812

Answer:

x = -34.8

Step-by-step explanation:

<h2><u>solve the equation</u></h2>

2(x-3)

= 2x - 6

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= 7x + 168

put the equation together

2x - 6 = 7x + 168

now make x subject of formula:

2x - 7x = 168 +6

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x = 174/ -5

<h3><u>x = -34.8 </u></h3>
3 0
3 years ago
Read 2 more answers
The manufacturer of a certain brand of aluminum foil claims that the amount of foil on each roll follows a Normal distribution w
natali 33 [55]

Answer: 0.4207

Step-by-step explanation:

Let \overline{x} be the sample mean area.

Given: Population mean : \mu=250 sq. feet

Standard deviation: \sigma=2 sq. feet

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The probability that the sample mean area is 249.6 \text{ ft}^2 or less if the manufacturer’s claim is true.

P(\overline{x}

Required probability = 0.4207

5 0
3 years ago
Find the volume of a cylinder that has the following dimensions. Do not round your answer. (Use 3.14 for π.)
denpristay [2]
Ok this is easy so since the formula for a cylinder is pie(r to the 2nd power) times h it’s like this——-

3.14(5 to the 2nd power) 0.25
3.14(25)0.25
78.5(0.25)
=19.625
4 0
3 years ago
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