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Neporo4naja [7]
3 years ago
14

Han's house is 450 meters from school. Lin’s house is 135 meters closer to school. How far is Lin’s house from school?

Mathematics
1 answer:
Marina86 [1]3 years ago
6 0

Solution:

<u>Note that:</u>

  • Han's house = 450 m from school
  • Lin's house = (450 - 135) from school

<u>Looking at the options, we can tell that the letter "z" represents Lin. </u>

  • => z = (450 - 135)
  • => z = 450 - 135

This option matches with Option D.

Option D is correct.

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I am a 3-digit number. If you switch my first and last digits, I decrease by 297. Also, my
malfutka [58]

Answer:

  • 865

Step-by-step explanation:

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3 years ago
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state thi
vladimir2022 [97]
The answer is x = 10, y = 10.

Step 1: rearrange the second equation for y.
Step 2: substitute y from the second equation into the first equation.
Step 3. Calculate y.

Step 1.
<span>The second equation is: 6x + 3y = 90
Divide both sides of the equation by 3:
(6x + 3y)/3 = 90/3
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Rearrange the equation:
y = 30 - 2x

Step 2.
</span>Substitute y from the second equation (y = 30 - 2x) into the first equation:
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Step 3.
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y = 10
6 0
3 years ago
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