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saw5 [17]
3 years ago
5

When using substitution to solve this system of equations

Mathematics
1 answer:
dlinn [17]3 years ago
3 0
Hello, find the work out in the attached image
X = 4.5
Y = -1

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Leah knit a scarf that is 130 centimetres ( cm ) long. Theo knit a scarf that is 4/3 as long Leah's scarf. How long is Theo's sc
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Answer:

173.33333333333...

Step-by-step explanation:

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6 0
3 years ago
What is the answer to this?
alexdok [17]

Answer:

  1. x < 2.5
  2. x > 2.5

Step-by-step explanation:

One way to do this is to try a number for x and see if it makes the inequality true. A suitable number here is x=0. This value of x is less than 2.5.

<h3>1.</h3>

For x=0, you have ...

  5 > -5 . . . . . true; the solution space is x < 2.5

__

<h3>2.</h3>

For x=0, you have ...

  -25 > -5(2.5)

  -25 > -12.5 . . . . . false; the solution space is x > 2.5

_____

<em>Alternate solution</em>

<h3>1.</h3>

Subtract 5:

  -4x > -10

Divide by -4

  x < 2.5

__

<h3>2.</h3>

Divide by -5:

  5 < x +2.5

Subtract 2.5

  2.5 < x

  x > 2.5

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2 years ago
Tino and Kate are Taylor's so wing buttons on shirts each shirt need eight buttons together at the Taylor's attached 80 buttons
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Tina would have completed 5 shirts as 80÷8 is 10 and if you split ten shirts between the 2 of them, they each complete 5 shirts
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Complete the paragraph proof. Given: ∠ABR and ∠ACR are right angles AB ≅ BC BC ≅ AC Prove: bisects ∠BAC
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