Identify the solutions to the quadratic equation. Check all that apply. x2 + 4x - 21 = 0
2 answers:
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Answer:
12 days
Step-by-step explanation:
Total gallons of the family's drinking water needs = gallons consumed by children + gallons consumed by adults
3 + 1
=
Converting to decimals
3.5 + 1.75 = 5.25 = 5
If there are 63 gallons, the water supply would last for :
63 / 5.25 =12 days
<h3>Answer: 5 cakes</h3>
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Explanation:
Let's start off converting the mixed number 12 & 1/4 to an improper fraction.
Do the same for the other mixed number 2 & 1/3.
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From here, we divide the two fractions. I converted them to improper fractions to make the division process easier.
The last step is to convert that result to a mixed number.
Note that 21/4 = 5.25 and 1/4 = 0.25 to help check the answer.
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Therefore, she can make 5 cakes. The fractional portion 1/4 is ignored since we're only considering whole cakes rather than partial ones.