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BlackZzzverrR [31]
3 years ago
8

Factor the polynomial completely 3x^2-4x+21

Mathematics
2 answers:
Natasha2012 [34]3 years ago
5 0

Answer:

The given equation 3x^2-4x+21 has no factors.

Step-by-step explanation:

3x^2-4x+21 We need to factorize this equation.

For factorization we split the middle term such that their sum is equal to middle term and product is equal to product of first and last term of the given expression.

in Our case : 63x^2

We need to find two factors of 63x^2 whose sum is equal to -4x

Factors of 63= 1,3,7,9,21,63

1* 63

3*21

7*9

None of the above factors sum is equal to -4.

So, the given equation 3x^2-4x+21 has no factors.

lutik1710 [3]3 years ago
3 0

Answer:

No factors.

Step-by-step explanation:

The polynomial is not factorable with rational numbers. If you are on some advanced math, you would be able to be able to factor this.

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The general form of the equation of a circle is x^2 + y^2 + 2x - 6y + 1 = 0. What are the coordinates of the center of the circl
m_a_m_a [10]

The coordinates are (-1 , 3).

this can be shown by simplifying the equation into perfect squares.

8 0
3 years ago
A cafeteria used 5 gallons of milk in preparing lunch. ow many 1-quart containers of milk did the cafeteria use?
Citrus2011 [14]
There are 4 quarts in a gallon. So in order to find total quarts, you multiply 5 by 4 and get 20. The answer is 20 quarts.
I hope this helps!
4 0
3 years ago
Read 2 more answers
Jerry plays tennis once every 6 days. Sam plays tennis every 10 days and Leo comes once every 12 days. This Monday all of them p
Stells [14]

Answer:

They'll meet at the court again in 60 days after this monday.

Step-by-step explanation:

In order to calculate the number of days from monday that it will take for them to meet again, we need to calculate the LMC of the frequency at which they go to the court. To do that we must take the numbers and divide the 3 of them until they're all equal to 1, then we multiply all the numbers that were used to divide them.

12 | 10 | 6    / 2

6 | 5 | 3      /2

3 | 5 | 3      /3

1 | 5 | 1       /5

1 | 1 | 1

The LMC is equalt o 2*2*3*5 which is 60.

They'll meet at the court again in 60 days after this monday.

       

5 0
3 years ago
Fiona's school is in the shape of a triangle, with three hallways connecting the corners. Fiona enters the building and walks 90
noname [10]

Answer:

between 30 yards and 150 yards

Step-by-step explanation:

we know that

The <u><em>Triangle Inequality Theorem</em></u> states that the sum of any 2 sides of a triangle must be greater than the measure of the third side

Let

x ----> the possible lengths of the third hallway in yards

<em>Applying the Triangle Inequality Theorem</em>

1) 90+60 > x

150 > x

Rewrite

x < 150 yd

2) 60+x> 90

x > 90-60

x > 30 yd

The possible lengths of the third hallway in yards is the interval

(30,150)

All real numbers greater than 30 yards and less than 150 yards

therefore

between 30 yards and 150 yards

4 0
3 years ago
Read 2 more answers
Step 1: Choose a point on the line, such as (2, 5).
AlekseyPX

The step of Talia that's incorrect is: C. step 3 because the slope ratio she calculated is incorrect.

<h3>What is the Slope?</h3>

The slope of a line (m) = rise/run = change in y / change in x.

Calculating the slope using two points on the line, (2, 5) and (1, 3), we should have:

Slope (m) = (5 - 3)/(2 - 1)

Slope (m) = (2)/(1)

Slope (m) = 2

This shows that the ratio of the slope calculated by Talia was wrong. The step that is incorrect is: C. Step 3

Learn more about slope on:

brainly.com/question/13861479

#SPJ1

6 0
2 years ago
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