I don't know how to do this ? can someone help me please

Mathematics

1 answer:

PtichkaEL [24]3 years ago

4 0

please mark this answer as brainlist

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Which function is a quadratic function?

DerKrebs [107]

The correct answer is: [C]: " c(x) = –8x²<span> + 3x – 5 " .
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The quadratic function takes the form of:
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" f(x) = ax</span>² + bx + c " .
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Answer choice: [C]: " c(x) = –8x² + 3x – 5 " ;

is the only answer choice provided that takes that form of the quadratic function:

" f(x) = ax² + bx + c " :

in which: " a = -8 " ; " b = 3 " ; " c = -5 " .
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3 years ago

Hcf and LCM of 391 and 236

mash [69]

Answer:

LCM = 92276

HCF = 1

Step-by-step explanation:

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2 years ago

If you run a marathon of 26 1/5 miles in a time of 5 4/5 how far do you run in 1 hour<br><br>pls

alisha [4.7K]

First let's make both the miles and the hours ran improper fractions:

$26+\frac{1}{5}=\frac{131}{5}\\ 5+\frac{4}{5}=\frac{29}{5}$

So, to find our miles per hour, we have to divide the miles by the hours to get: $\frac{\frac{131}{5}\text{miles}}{\frac{29}{5}\text{hours}}=\frac{131\text{miles}}{29\text{hours}} \\ \text{ Now we have to divide the top and the bottom by 29 to get our miles per hour so: }\\ \frac{\frac{131}{29}}{\text{hour}} \approx \frac{4.52 \text{miles}}{\text{hour}}$