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aalyn [17]
3 years ago
15

Noah and his children went into a grocery store and where they sell apples for $1 each and mangos for $2 each. Noah has $20 to s

pend and must buy at least 9 apples and mangos altogether. If Noah decided to buy 4 apples, determine the maximum number of mangos that he could buy. If there are no possible solutions, submit an empty answer.
Mathematics
1 answer:
REY [17]3 years ago
7 0
An empty answer is an answer that would be empty while also being an answer at the same time.
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Elena L [17]

Answer:

B. y=x^2+3 \\\\D.$ $x^2+3y=8

Step-by-step explanation:

A quadratic function is a function in which the highest power of the unknown variable is 2.

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f(x)=ax^2+bx+c, a\neq 0

From the given options, only B and D has the highest power as 2. Therefore, the equations that represent quadratic functions are:

B. y=x^2+3 \\\\D.$ $x^2+3y=8

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A.450.80

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6 0
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Michael cycled 36km in 3 hours.<br>Work out his avarage speed.
san4es73 [151]
Hello mate,
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\\ speed =  \frac{distance}{time }  \\ average \: speed \:  =  \frac{36 \: km}{3 \: hr \: }  \\ speed \:  = 13 \frac{km}{hr}

average speed = 13 km/he
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I hope it helps :-)
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3 years ago
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