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Cerrena [4.2K]
3 years ago
14

Y = -3x +10 3x +y = 5 substitution method

Mathematics
1 answer:
spayn [35]3 years ago
3 0

Answer:

no solutions

Step-by-step explanation:

y = -3x +10

3x +y = 5

Substitute the first equation into the second equation

Let every instance of y in the second equation be replaced with -3x+10

3x+ (-3x+10) = 5

Combine like terms

10 =5

This is never true so there are no solutions

(These are parallel lines with the same slope but different y intercepts)

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Answer:x<1/7 (5 - sqrt(130))

Step-by-step explanation:

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3 years ago
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5x + 2y = 24<br> 5y = x + 6<br> What is the solution to the system?
kondaur [170]
..........solve it like an equation
4 0
3 years ago
What is the greatest common factor c^2d^2​
Brums [2.3K]

Answer:

1

Step-by-step explanation:

Since there are no common prime factors, the only common factor for c²d² is 1, therfore it stays as is, c²d².

I am joyous to assist you anytime.

8 0
3 years ago
Please help answer and explanation im very confused.
Veseljchak [2.6K]

Answer:

1) 18m²

2) 25cm²

Step-by-step explanation:

1)

  • a = ½ × b × h
  • a = ½ × 9 × 4
  • a = ½ × 36
  • a = 18m²

2)

  • a = ½ × b × h
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  • a = 25 cm²
6 0
2 years ago
In a supermarket, small wedges of cheese each weighing 0.25kg are cut from tins of cheese that weighs 2.5kg. How many wedges can
juin [17]

Answer:

10 wedges

Step-by-step explanation:

To find the number of wedges, the total weight should divided by weight of  one wedge.

\text{Number of Wedges = $2.5 \div  0.25$}\\

                              = \dfrac{2.5*100}{0.25*100}\\\\\\=\dfrac{250}{25}\\\\\\= 10 \ \sf wedges

4 0
2 years ago
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