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yan [13]
3 years ago
8

Nadia selects three marbles from the jar to the right without replacing them. What is the probability that all three marbles are

blue
Mathematics
1 answer:
Savatey [412]3 years ago
4 0
Not very likely. Does a picture come with this question.
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Which expressions are completely factored? Select each correct answer. 30a6−24a2=3a2(10a4−8) 16a5−20a3=4a3(4a2−5) 12a3+8a=4(3a3+
irinina [24]

When factoring an expression, we need to identify the Greatest Common Factor of the expression (GCF). By definition, GCF is the product of prime factors involved with its Lowest Exponent.

We need to divide each term by the GCF to get the expression inside the parenthesis.

30a^6-24a^2\\ GCF\; is \; 6a^2\\ \\ 30a^6-24a^2=6a^2(\frac{3a^6}{6a^2} -\frac{24a^2}{6a^2} )=6a^2(5a^4-4)\\ ---------------------\\ \\ 16a^5-20a^3\\ GCF \; is \; 4a^3\\ \\ 16a^5-20a^3=4a^3(\frac{16a^5}{4a^3} -\frac{20a^3}{4a^3})=4a^3(4a^2-5) \\ ---------------------\\ \\ 12a^3+8a\\ GCF \; is \; 4a\\ \\ 12a^3+8a=4a(\frac{12a^3}{4a}+\frac{8a}{4a})=4a(3a^2+2)\\   ---------------------\\ 24a^4+18\\GCF \; is \; 6\\\\24a^4+18=6(\frac{24a^4}{6} +\frac{18}{6})=6(4a^4+3) \\    ---------------------

Conclusion:

From above we can conclude that the below expressions are factored completely

16a^5-20a^3=4a^3(4a^2-5)\\ \\ 24a^4+18=6(4a^4+3)

6 0
3 years ago
Read 2 more answers
What is the area of triangle ABC?
Ann [662]

Answer:

A = 3 units^2

Step-by-step explanation:

The area of a triangle is

A  = 1/2 bh where b is the length of the base and h is the height

b = the distance from B to C = 4 units = 2  ( watch the scale)

h = the distance from A to C along the x axis =6 units = 3  (watch the scale)

A = 1/2 (2)(3)

A = 3 units^2

7 0
4 years ago
Read 2 more answers
What is the volume of the cube?
tangare [24]

Answer:

27in

Step-by-step explanation:

Length x Width x Height is formula

3 x 3 = 9 x 3 = 27

7 0
3 years ago
Which salad bar is less expensive explain how you knoe
Montano1993 [528]
By comparing the prices 
7 0
4 years ago
What is an equation of the line that passes through the points (8,-5) and (8, -2)?
Rashid [163]

Answer:

There is none

Step-by-step explanation:

You've been bamboozled. It isn't a function if the same x-value has 2 different y-values.

There is no equation to your line

7 0
3 years ago
Read 2 more answers
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