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Rus_ich [418]
3 years ago
14

I need to know how to dos these problems? Can you explain how to do them?

Mathematics
2 answers:
ollegr [7]3 years ago
7 0
For #7-12 all you need to do is divide whatever number is next to x by the other number.
drek231 [11]3 years ago
6 0
The answer for 4 is 8(3+5) 

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Which expression is equivalent to 4(3n-5)
pickupchik [31]

Answer:

12n-20

Step-by-step explanation:

5 0
3 years ago
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8 people are boarding a plane 2 have tickets for first class and board before everyone. In how many ways can these people board
mixer [17]
2!6!=2\times1\times6\times5\times4\times3\times2\times1=1440
3 0
2 years ago
David found and factored out the GCF of the polynomial 80b4 – 32b2c3 + 48b4c. His work is below. GFC of 80, 32, and 48: 16 GCF o
BlackZzzverrR [31]

Answer: The correct statements are

The GCF of the coefficients is correct.

The variable c is not common to all terms, so a power of c should not have been factored out.

David applied the distributive property.

Step-by-step explanation:

GCF = Greatest common factor

1) GCF of coefficients : (80,32,48)

80 = 2 × 2 × 2 × 2 × 5

32 = 2 × 2 × 2 × 2 × 2

48 = 2 × 2 × 2 × 2 × 3

GCF of coefficients : (80,32,48) is 16.

2) GCF of variables :(b^4,b^2,b^4)

b^4= b × b × b × b

b^2 = b × b

b^4 =b × b × b × b

GCF of variables :(b^4,b^2,b^4) is b^2

3) GCF of c^3 and c: c is not the GCF of the polynomial. The variable c is not common to all terms, so a power of c should not have been factored out.

4) 80b^4-32b^2c^3+48b^4c

=16b^2(5b^2-2c^3+3b^2c)

David applied the distributive property.

7 0
2 years ago
Read 3 more answers
Set of whole numbers less than 24
Dmitry_Shevchenko [17]

Answer:

2,4,6,8,10,12,14,16,18,20,,22

Step-by-step explanation:

4 0
3 years ago
What percent of 20 is 16?!!!<br><br>What's the answer and how do I work the problem out?!!
-Dominant- [34]

<span>16/20 is 80%.</span>

You find out by multiplying the denominator: 20 * 5 = 100

Then, you do the same to the numerator which is: 16 * 5 = x

So, x = 80%

Hope this helps! :D

7 0
3 years ago
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