3 years ago

Pls the timer is almost finish-

Mathematics

1 answer:

snow_tiger [21]3 years ago

4 0

It’s c because if u simpilify it it’s 10 1/5

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Nia answered 80% of the 40 questions on a test correctly. How many correct answers did she have?

Step2247 [10]

Nia answered correct answers = 80% of the 40 questions

When we remove % sign from a number, we divide that number by 100

= $\frac{80}{100}$ of 40

= $\frac{80}{100} \times 40$

Cancelling the two zeroes from numerator and denominator,

= $8 \times 4$

= 32.

Total correct answers answered by Nia = 32

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A volleyball reaches its maximum of 13 feet, 3 seconds after it is served. What quadratic formula could model the height of the

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Answer:

$H=-(t-3)^2+13$

Step-by-step explanation:

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$y=-a(x-h)^2+k$

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Now, let 'h' be the vertical height and 't' be the time taken.

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Now, as per question:

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$H=-a(t-3)^2+13$

Now, taking a = 1. So, the formula that can be used is:

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