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SpyIntel [72]
2 years ago
8

Help please!!!!!!!!!!

Mathematics
1 answer:
liberstina [14]2 years ago
4 0

Answer:

the answer should be 48cm or 36cm if you need the working it will be my pleasure

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Can you help me please.
Kamila [148]

9514 1404 393

Answer:

  a.  (-1/2, 5)

Step-by-step explanation:

The coefficients of x have opposite signs, so the x-terms can be eliminated by adding the two equations.

  (2y -12x) +(3y +12x) = (16) +(9)

  5y = 25 . . . . . . simplify

  y = 5 . . . . . . . . .divide by 5

This matches only answer choice A.

__

<em>Check</em>

The other part of answer choice A is x = -1/2. We can test this to make sure it works:

  2(5) -12(-1/2) = 16

  10 + 6 = 16 . . . . . . true, the selected answer works OK

5 0
2 years ago
Match eith the appropiate property:​
kotykmax [81]

Answer:

Commutative property of multiplication.

Step-by-step explanation:

This property says that changing the order of factors doesn't change the product.

Here 5×3 will be 15..... If we interchange the places of 3 & 5 , still then the product will remain same i.e. 3×5 = 15

3 0
3 years ago
During which one week period did Sebastian save the Most money?
olchik [2.2K]
Week 1-2 so it would be week one
8 0
3 years ago
Determine if the following system of equations has no solutions, infinitely many
FrozenT [24]

Answer:

infinitely many solutions

Step-by-step explanation:

x + 6y = -5

3x + 18y = -15

Multiply the first equation by 3

3(x + 6y) = -5*3

3x + 18y = -15

The two equations are identical.  This means they have infinite solutions along the line x+6y = -5

8 0
3 years ago
Where do we see integers in the world today?
neonofarm [45]
We see integers on calculators, money, and on math problems :)
8 0
3 years ago
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