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sergij07 [2.7K]
3 years ago
5

PLEASE HELP ME IM LITERALLY SUFFERING I DONTGET ANYTHING;(((((

Mathematics
1 answer:
Inga [223]3 years ago
4 0
So, for question 11 A.

What we know:

Each toothpick is 6.3cm.

1ft scale is equal to 1.26 cm

Building is 30ft tall

How to solve:

First divide 6.3 by 1.26=5
So, 5 toothpicks is equal to one ft

Next do 5 times 30=150

So 150 toothpicksar needed
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Step-by-step explanation:

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V+8w=4v,for v<br><br> -m+5n=-2, for n
jok3333 [9.3K]

Answer:

  • v = 8w/3,
  • n = (m - 2)/5.

---------------------------

<h3>Given equations</h3>
  • v + 8w = 4v and - m + 5n = - 2

<h3>Solve the first equation for v</h3>
  • v + 8w = 4v
  • 4v - v = 8w
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<h3>Solve the second equation for n</h3>
  • - m + 5n = - 2
  • 5n = m - 2
  • n = (m - 2)/5
6 0
1 year ago
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