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NikAS [45]
2 years ago
12

Find the sum of the following polynomials (3x^3+ 8x^2– 3) + (7x^3- 4x + 4)

Mathematics
2 answers:
Ede4ka [16]2 years ago
4 0

Answer:

10x^3+8x^2-4x+1 is answer

r-ruslan [8.4K]2 years ago
4 0
I also agree with them^^ mark them the brainliest
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Answer choice <br> D) A worker with 15 years of service gets 5 weeks of vacation and each year.
otez555 [7]

Answer: it seems to be D, but the equation makes practically no sense!

The value of the factor changes for the different amounts of service years and vacation weeks.

Step-by-step explanation: The equation means that the employee is trying to figure out the value of the "v-factor" for how vacation time is earned.

If you substitute the number of service years into the left side of the "formula" and vacation weeks on the right side, then solve for "v", v(15)=5 you get v= 1/3 or 0.33

If you substitute other numbers, like v(2)=2, so v= 1 then v(30) = 8, v = 4/15 or 0.2667. You see the factor's value decreases. The company is much more generous to to employees with one or two years of service than with the older ones.

7 0
2 years ago
Can someone help me
lyudmila [28]

Answer:

29.3

Step-by-step explanation:

4x+12+5x+3x-4=360

Add the X's up & move the numbers w/out factors (X's) to the 360 side. This will look like 12x=352

Then, you divide each by 12, leaving you with x=29.3

Might be wrong, let me know and I will rework it.

8 0
2 years ago
A total of 504tickets were sold for the school play. They were either adult tickets or student tickets. There were 54more studen
LuckyWell [14K]

Answer:

225 adult tickets

Step-by-step explanation:

S: no. of students

A: no. of adults

S = A + 54

S + A = 504

A + A + 54 = 504

2A = 450

A = 225

S = 225 + 54

S = 279

3 0
3 years ago
What is the volume of the sphere shown below with a radius of 3?
kaheart [24]

Answer:

volume of the sphere

=4/3π × r³

=4/3π × 3 × 3 × 3

=4/3π × 27

=36π ( <em>c</em><em> </em><em>)</em>

5 0
3 years ago
Sarah paid a food bill of 13.74 with a $20 bill how many change was she owed
slamgirl [31]
6.26 because 20 subtract 13.74= 6.26
6 0
3 years ago
Read 2 more answers
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