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Dovator [93]
3 years ago
6

Please Help!

Mathematics
2 answers:
cupoosta [38]3 years ago
5 0

Answer:  The correct option is (A) 3(x^2-7).

Step-by-step explanation:  We are given to factorize the following quadratic expression completely :

P(x)=3x^2-21.

To factorize the given expression, first we should take common terms out and then we will continue the process.

The factorization is as follows :

P(x)\\\\=3x^2-21\\\\=3(x^2-7).

Thus, the required factorized form is 3(x^2-7).

Option (A) is correct.

kolbaska11 [484]3 years ago
3 0

Answer:

The fully factored form is 3(x^2 - 7))

Step-by-step explanation:

The only thing you can do with this equation is take out a factor of 3. You cannot simplify the resulting parenthesis without using irrational numbers.

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Ashley ate Mexican food 4 out of 7 days on her vacation. If her vacation was 35 days, how many days did she eat Mexican food?
lina2011 [118]

The number of days Ashley ate Mexican food while on vacation is 20 days.

<h3>How many days did Ashley eat mexican food?</h3>

The first step is to determine the fraction of the number of days Ashley atae Mexican food. In order to do this, divide 4 by 7

4/7.

The second step is to multiply 4/7 by 35

4/7 x 35= 20 days

To learn more about multiplication, please check: brainly.com/question/3385014

8 0
2 years ago
Yesterday's afternoon temperature was 21 degrees Fahrenheit. It plunged overnight to -3 degrees Fahrenheit. How many degrees did
aalyn [17]

D. 24 Degrees

21-24=-3

7 0
2 years ago
Read 2 more answers
The volume of a prism is 230 mm3.
Lorico [155]
The answer would be E because as you may know, 10 mm is equal to 1 cm. So, 230 mm³ is equal to 23 cm³.
7 0
3 years ago
Paula used these steps to solve an equation:
Nookie1986 [14]

Answer:

steps 4 and 5

Step-by-step explanation:

When we look at example, we can see that we have :

-6r=57

So we divide by -6 and we got

r=-\frac{57}{6}

So, our final answer is steps 4 and 5

5 0
3 years ago
What is the equation of the line that passes through (4, -1)
Mekhanik [1.2K]

Answer:

Step-by-step explanation:

answer: y = -5 + 19

We can use the point-slope formula to find an equation to solve this problem. The point-slope formula states: (y−y1)=m(x−x1)

Where m is the slope and (x1y1) is a point the line passes through.

Susbtituting the slope and values from the point from the problem gives:

(y−−1)=−5(x−4)

(y+1)=−5(x−4)

We can also solve this for the slope-intercept form. The slope-intercept form of a linear equation is: y=mx+b

Where m is the slope and b is the y-intercept value.

Substitute the slope from the problem for m and the values of the point from the problem for x and y and solve for b:

−1=(−5⋅4)+b

−1=−20+b

20−1=20−20+b

19=0+b

19=b

We can substitute for m and b in the formula to find the equation:

y=−5x+19

6 0
2 years ago
Read 2 more answers
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