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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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How to solve 4m+10 -3m+80
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The answer is 2(2m+5) for 4m+10 & I can't solve the other one, sorry.
4 0
3 years ago
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The equation is now solved for y = 1/2x-5
Illusion [34]

Answer:

slope: 1/2

y- intercept:(0,-5)

standard form: x - 2y = 10

Step-by-step explanation:

4 0
3 years ago
Which are vertical angles?<br><br> AFE and BFD<br> BFC and DFE<br> AFE and CFD<br> BFC and EFA
Ber [7]
Your answer is A, because a verticle angle is made with two intersecting lines
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How many significant figures does each value contain? 5.6803 kg has significant figures. 0.00047 seconds has significant figures
Kamila [148]

Answer:

see below

Step-by-step explanation:

Significant figures are numbers that are necessary to express a true value.

Place the values in scientific notation.

5.6803 * 10^{1} = 5.6803\\\\4.7 * 10^{-4} = 0.00047\\\\2.4 * 10^{-1}=0.240

Explaining <u>why</u>

1. The zero that is within 5.6803 is "trapped," meaning it is in between two nonzero digits. Therefore, all five digits are significant figures.

2. The zeroes that precede the 4 and the 7 are not significant because they are dropped in scientific notation and are not trapped by other nonzero digits. Therefore, only two digits of this value are significant.

3. Because the zero at the end of 0.240 is a trailing zero, it is significant along with the 2 and the 4. The zero that precedes these digits and the decimal point is not significant. Therefore, only three digits of this value are significant.

Hope this helps! :)

6 0
3 years ago
Let the following sets be given. The universal set for this problem is the set of all students at some university. F = the set o
stepan [7]

Answer:

|M'∩F| > |S∩C|

Step-by-step explanation:

<h3 /><h3>The situation is depicted in the picture attached </h3>

The green set is  

M'∩F = freshmen who aren't math majors and it has |M'∩F| elements

The blue set is

S∩C = senior CS majors and it has |S∩C| elements.

So <em>“There are more freshmen who aren't math majors than there are senior CS majors”</em> can be written as

|M'∩F| > |S∩C|

5 0
3 years ago
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