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NeTakaya
3 years ago
12

Please answer this correctly

Mathematics
2 answers:
Bond [772]3 years ago
5 0

Answer: The second option (purple model)

Step-by-step explanation: It is that option because there were 80 toys collected which is 100% and then we do not what the 30% is.

Minchanka [31]3 years ago
5 0

Answer:

24

Step-by-step explanation:

30% = \frac{30}{100} = 0.3

We require to calculate 30% of 80, that is

30% × 80

= 0.3 × 80 = 24

The lower model is divided into 10 sections each of 8 units, thus

24 is represented by 3 sections.

The lower model represents the problem

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Vika [28.1K]

Answer:

The answer is : x = 9.505 and x = -1.005

Step-by-step explanation:

To solve the quadratic equation use the formula :

x=\frac{-b+\sqrt{b^{2}-4ac } }{2a}

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Step-by-step explanation:

Recall the formula for the perfect square of a binomial :

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Now, let's try to identify the values of a and b in the given trinomial.

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