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gavmur [86]
3 years ago
10

Thirty times the square of a non-zero number is equal to 8 times the number. What is the number?

Mathematics
1 answer:
astra-53 [7]3 years ago
4 0
Hello here is a solution :

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Please help with this question, thank you
Semmy [17]
Remark
The key step is just to subtract 5 from both sides. The pointed of the inequality still points away from the variable and towards the number. As long as that remains true, the correct answer can be found.

Solution
2.7 ≤ b + 5  Subtract 5 from both sides.
2.7 - 5 ≤ b
- 2.3 ≤ b      Write with the variable on the left.
b ≥ - 2.3  <<<< answer  
6 0
3 years ago
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Wittaler [7]

The short answer: yes.

Explanation: every rational number can be expressed as, well, a ratio. For instance, 5 can be expressed as 5/1 and 1.75 can be expressed as 7/4. Irrational numbers are not rational. For instance, pi... there is no ration for pi.

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Answer:

can you explain yourself more please

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The value of x-y is negative, and x and y are both positive. What can you conclude about the values of x
Stolb23 [73]
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Compare a loss of 36 yards to a loss of 48 yards
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The total loss is 84 loss (-84). 
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