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grandymaker [24]
3 years ago
7

Which system of equations can be used to find the roots of the equation 12x3-5x=2x2+x+6

Mathematics
2 answers:
Marizza181 [45]3 years ago
7 0
Same=same figure out what the x is both x are the same number on both side is the same answer hope that helps
seraphim [82]3 years ago
7 0

y=12x^{3}-5x -----> equation A

y=2x^{2} +x+6 ------> equation B

we have

12x^{3}-5x=2x^{2} +x+6

This equation can be rewritten in the following system of equations

y=12x^{3}-5x -----> equation A

y=2x^{2} +x+6 ------> equation B

we know that

The solution of the system of equations is the intersection point both graphs

using a graphing tool

see the attached figure

The solution is

x=1.07



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6 0
2 years ago
You and your friend are selling your old CDs. Your friend sells 14 the first day, and x the next day. You sell y the first day a
Deffense [45]

Answer: 30+x+y

Step-by-step explanation:

  • Commutative Property of Addition : a+b= b+a , where a and b are any arbitrary numbers.

Given : Number of CDs sold by friend on first day = 14

Number of CDs sold by friend on next day = x

Total CDs sold by friend  = 14 +x

Number of CDs sold by you on first day = 16

Number of CDs sold by you on next day = y

Total CDs sold by you  = 16+y

The expression that shows the total number of CDs sold both days =

Total CDs sold by friend  + Total CDs sold by you

=  14 +x+ 16+y

= 14 +(x+ 16)+y

= 14 +(16+x)+y   [By Commutative Property of Addition.]

= 14+16+x+y

= 30+x+y

Hence, the expression that shows the total number of CDs sold both days :

30+x+y

6 0
3 years ago
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mezya [45]

Answer:

A because 63/4 is 15.75

7 0
3 years ago
The number of bacteria is doubled every six hours. Estimate the number of bacteria present after 48 hours if initially there wer
EastWind [94]

Answer:

96million

Step-by-step explanation:

48/6=8

12 000 000 * 8 = 96 000 000

=96 million

7 0
3 years ago
Read 2 more answers
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