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Paraphin [41]
3 years ago
14

Simplify polynomials -3x²+2x-x³+4-7x²​

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
7 0
Answer = -x3 -10x2 +2x +4
grigory [225]3 years ago
5 0

Answer:

-(x^2 + 10x^2 - 2x - 4)

Step-by-step explanation:

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Write an equation of a line that passes through (1,1)and (6,6)
Ghella [55]

Answer:

y=x

Step-by-step explanation:

When y=x, then the line goes up 1 and right 1.

7 0
2 years ago
In a room, there are 450 students of which 20% are girls. A group of students have mobile phones with them, of which 40% are gir
andrew-mc [135]

Answer:

216 boys

Step-by-step explanation:

450 students: 20% girls, 80% boys

450*20%=90 girls

450*80%=360 boys

Students having mobile phones: 40% (OF THE 90) girls, 60% (OF THE 360) boys

90*40%=36 girls

360*60%=216 boys

[We honestly don't need to care about the girls without mobile phones as they are only asking how many boys have mobile phones]


4 0
3 years ago
Read 2 more answers
The number of adults going on a field trip was the largest prime number less than 50. How many adults were going on the field tr
Vilka [71]

Answer:

47

Step-by-step explanation:

Well 47 is the highest prime number that is smaller than 50

4 0
3 years ago
If you subtract 12 from my number and multiply the difference by - 5, the result is -90." What is Sara's number?​
Natali [406]

Answer:

30

Step-by-step explanation:

Do the steps in reverse

-90 divided by -5 = 18

18 + 12 = 30

Your answer is 30

Hope I helped :)

Please consider Brainliest :)

5 0
3 years ago
A small business has 15 full-time employees. How many people does the small business employ if the full-time workers make up 30%
Alexxx [7]

Answer:

50 employees

Step-by-step explanation:

The total number of employees the business has will have to be made up the full-time employees and part-time employees.

The number of full-time employees = 15

Let the total number of  employees = x

15 = 30 percent of x

15 = 30/100 \times x\\x=1500/30 = 50

The company has a total of 50 employees

6 0
3 years ago
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