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Kazeer [188]
3 years ago
5

Solve and check please i need help

Mathematics
1 answer:
irina [24]3 years ago
7 0
First divide 40 by 8 to get the variable m by itself then you’ll get 5 so 5 is the answer for 4 and for 5 x= 1 since 6/6 is 1 and for 6 you just have to reverse it just like you did for question 5 so now it’s 9• 8= t so t equals 72 and this can be checked by doing 72/8= and that equals 9:)
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Create an equivalent expression for 4t-18-t+2t+20
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Answer:

5t + 2

General Formulas and Concepts:

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define Expression</u>

4t - 18 - t + 2t + 20

<u>Step 2: Simplify</u>

  1. Combine like terms (t):                    5t - 18 + 20
  2. Combine like terms (Z):                   5t + 2
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3 years ago
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Answer:

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Step-by-step explanation:

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7 0
3 years ago
Allison needs 18 liters of 5% saline solution . She has a 1% solution available. How many liters of the 1% solution and how many
professor190 [17]

Answer:

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Step-by-step explanation:

Let vol of 1% solution = x

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Equation formed is

<h3>x * (1/100) + (18 - x)*(10/100) = 0.9</h3>

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<h3>10 litres of 1% solution and 8 litres of 10%</h3>

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MaRussiya [10]
Here u gooo hope this helps

8 0
3 years ago
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