each student in ms sikes's kindergarten class has a box of crayons. each box has 36 crayons.if there are 18 students in ms sikes
2 answers:
Answer: 648 crayons
Step-by-step explanation:
Given : Each student in ms sikes's kindergarten class has a box of crayons. Each box has 36 crayons.
If there are 18 students in Ms sikes class, then by using Multiplication operation the total number of crayons there are =
i.e. the total number of crayons there are =648
Hence, there are 648 crayons in all.
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Answer:
A
Step-by-step explanation:
Recall that for a quadratic equation of the form:
The number of solutions it has can be determined using its discriminant:
Where:
- If the discriminant is positive, we have two real solutions.
- If the discriminant is negative, we have no real solutions.
- And if the discriminant is zero, we have exactly one solution.
We have the equation:
Thus, <em>a</em> = 2, <em>b</em> = 5, and <em>c</em> = -<em>k</em>.
In order for the equation to have exactly one distinct solution, the discriminant must equal zero. Hence:
Substitute:
Solve for <em>k</em>. Simplify:
Solve:
Thus, our answer is indeed A.