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Karo-lina-s [1.5K]
3 years ago
7

Help, please and thank you

Mathematics
2 answers:
Digiron [165]3 years ago
4 0

Answer:

14

Step-by-step explanation:

Substitute 2 into the given equation:

8 + 3(2)

always multiply first, so multiply 3 and 2:

8 + 6

now add to get your final answer:

14

Sergio [31]3 years ago
3 0

Answer:

14

Step-by-step explanation:

If you substitute the numbers it is 8 + 3 x 2 otherwise known as 8 + 6

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X+x+y+y+z+z=24
JulijaS [17]

Answer:

b = 7/2

x = 11/2

y = 21/2

z = -4

Step-by-step explanation:

2x + 2y + 2z = 24

x + y + z = 12

b + 2x + y + z = 21

2b + 2y = 28

b + y = 14

3x + y + z = 23

we can start anywhere by transforming these equations in a way that always one variable is excised by others.

so, e.g.

b = 14 - y

14 - y + 2x + y + z = 21

2x + z = 7

z = 7 - 2x

3x + y + 7 - 2x = 23

x + y = 16

16 + z = 12

z = -4

-4 = 7 - 2x

-11 = -2x

11 = 2x

x = 11/2

11/2 + y = 16

y = 16 - 11/2 = 32/2 - 11/2 = 21/2

b = 14 - 21/2 = 28/2 - 21/2 = 7/2

3 0
2 years ago
Srinivasa Ramanujan, the great East Indian mathematician, was invited to Cambridge University in England in 1914 by the English
kotegsom [21]
(12,1):12³+1³=1728+1=1729
(10,9): 10³+9³=1000+729=1729
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3 0
3 years ago
Read 2 more answers
Lena currently has a balance of -$10.48 in his checking account. Her bank requires her to maintain a minimum balance of $20. How
Goshia [24]

Answer

$30.48

Step-by-step explanation:

Find out how to get fro, -10.48 to 20. When you add .48 it makes it just $10. Add 30 more and get $20.

3 0
3 years ago
The sum of three numbers is 110. The third number is 3 times the first. The second number is 5 more than the first. What are the
g100num [7]

Answer:

The numbers are 63, 26, & 21

Step-by-step explanation:

110 = 3x + (5 + x) + x

105 = 3x + 2x

105 = 5x

21 = x

Plug it back into the first equation to find your values

6 0
3 years ago
Please help urgent fasttt
sergeinik [125]

Answer:

  • Perimeter= l1+l2+w3+w4
  • Where l1 and l2 are equal in magnitude
  • Alike w3 and l
  • w4 are equal in magnitude
  • l= (2×w)+8
  • Plug it in to the equation

3 0
2 years ago
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