Bianca filled 2 same-sized jars with flavored popcorn as a gift. She wants to glue a piece of ribbon around the edge of each lid
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If the radius of each jar lid is 3 centimeters, approximately what is the total length of ribbon she will need for the two jar lids? Use = 3.14.
If the radius of each jar lid is 3 centimeters, approximately what is the total length of ribbon she will need for the two jar lids? Use = 3.14.
2 answers:
Answer:
<h2>37.68</h2>Step-by-step explanation:
<em>The length of a piece of ribbon glued around the edge of the lid is equal to the circumference of the lid. First, use the formula to find the approximate circumference of one jar lid.</em>
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<em>Next, since Bianca wants to glue ribbon around the edge of both jar lids, multiply this length by two.</em>
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ANSWER
B. The two middle coefficients add to the correct number but do not multiply to the correct number.
EXPLANATION
The given quadratic trinomial that Tina tries to factor is
Comparing to
we have a=10, b=-13 and c=-3
ac=-3×10=-30
We split the middle term so that their sum is -13.
Tina use
-10,-3
to get
-10x-3x
The sum is -13x alright but the product is not -30.
B is correct.