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n200080 [17]
4 years ago
13

Help please is appreciate it . solve for x : 2 (x + 3) = 2x + 8

Mathematics
1 answer:
Nutka1998 [239]4 years ago
6 0

Answer:

x ∈ ∅

Step-by-step explanation:

2(x + 3) = 2x + 8

2x + 6 = 2x + 8

2x - 2x = 8 - 6

0 = 2

x ∈ ∅

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Which expression is equivalent to 2^5?
N76 [4]

Answer: 2 x 2 x 2 x 2 x 2

Step-by-step explanation:

This is an exponent so you have the base number which is two and the 5 is how much times to multiply the base number.

Hope that helps!

3 0
3 years ago
Can someone help me with this please
Allushta [10]
2x+8y=9
4x+16y=18
this is because the second equation is the first equation, but multiplied by 2. if one side is multiplied by 2, so is the other
the answer is 18
7 0
3 years ago
Chien always works 20 hours/week at $15/hour and gets paid every 2 weeks.
Leto [7]

Answer:

  • $600
  • net pay
  • taxes, insurance, retirement plan contributions
  • net pay

Step-by-step explanation:

The gross pay that shows up on your paycheck is the sum of wages, commissions, and any other earnings your employer may share with you (tips, insurance offsets, bonuses). From this gross pay, government regulations may require the deduction of taxes of various kinds. Your employer may deduct the cost of insurance, and you may voluntarily have amounts deducted for additional taxes, insurance, union dues, or retirement plan contributions. The pay that you take home is the net pay after these deductions.

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Chien gets paid at the rate of $15 per hour for 20 hours per week and 2 weeks per pay-period. We are not told of any other earnings or contributions to his gross pay. So, it will be ...

  ($15/h)(20 h/wk)(2 wk/period) = $600/period

Chien's gross pay will be $600 each pay period.

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As discussed above, "net pay" and "take-home pay" are synonymous.

__

As discussed above, there may be a variety of deductions from his gross pay that will reduce his net pay. Often the largest of these is income tax together with Social Security tax. There may be additional deductions for insurance, union dues, health plan contributions, and retirement plan contributions.

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Chien's budget should be based on money he <em>actually has available to spend</em>. That would generally be his net pay.

If Chien is considering changing jobs or his family situation, changes to payroll deductions may figure into his budget. Ordinarily, those costs would be considered "fixed" and not subject to a budgeting process.

6 0
2 years ago
how many 3 element subsets of {1, 2, 3, 4, 5, 6, 7, 8, ,9, 10, 11} are there for which the sum of the elements in the subset is
AURORKA [14]

Answer:

There are 155 ways in which these elements casn occur.

Step-by-step explanation:

We want 3 element subsets whose sum are multiples of 3

1+2+3= 6

1+2+6= 9

1+2+9= 12

1+9+11=21

1+3+5=9

1+4+8=12

1+5+6=12

1+6+8=15

1+7+10=18

1+8+9=18

1+9+11=21

2+3+7=12

2+4+6=12

2+4+9=15

2+5+11=18

2+6+7=15

2+7+9=18

2+8+5=15

2+8+11=21

2+9+10=21

3+6+9= 18

3+9+11=21

3+10+11=24

6+9+10=27

6+8+11=27

6+7+11=24

7+8+9= 24

8+9+10=27

7+9+11=27 .........

We have 11 elements

We need a combination of 3

The combinations can be in the form

even+ even+ odd

odd+odd+odd

even + odd+odd

So there are 3 ways in which these elements can occur

Total number of combinations with  3 elements =11C3= 165

There are 6 odd numbers and 5 even numbers.

Number of subsets with 3 odd numbers = 6C3= 20

Number of two even numbers and 1 odd number = 5C2*6C1=10*6= 60

Number of 2 odd and 1 even number = 6C2* 5C1= 5*15= 75

So 20+60+75=155

There are 155 ways in which this combination can occur

6 0
3 years ago
Someone please help me for a brainliest.
Annette [7]

Answer:

a) 15 minutes

b) Input is temp, output is time.

Step-by-step explanation:

3a) After how many minutes is the temperature 35.

Find 35 on the second row, and see that it takes 15 minutes.

3b) For the inverse function, the input is the temperature, and the output the number of minutes.

4 0
3 years ago
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