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Aleonysh [2.5K]
3 years ago
11

Two concentric circles have radii 6 and 14. Find the length of a chord of the larger circle that is tangent to the smaller circl

e.
Mathematics
1 answer:
Vitek1552 [10]3 years ago
6 0

Answer:

Step-by-step explanation:

let 2x be the length of chord tangent to first circle.

so x=√(14²-6²)=√(14+6)(14-6)=√(20×8)=√160=4√10

length of chord=2x=2×4√10=8√10

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Can someone please help me with # 2 #13 thanks show work how it's done, please
zavuch27 [327]

Problem 13

10p+10q factors to 10(p+q). If we apply the distributive property, we can distribute the 10 to each term inside (p and q) to get

10(p+q) = (10 times p)+(10 times q) = 10*p + 10*q = 10p+10q

so we get the original expression again. Here 10 is the GCF of the two terms.

--------------------------------------------------------------

Plug p = 1 and q = 2 into the factored form

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As a check, let's plug those p,q values into the original expression

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6 0
3 years ago
12) Erica has three more dimes than nickels in her pocket, for a total of $1.50. If x represents the number of
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Answer:

3

Step-by-step explanation:

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Rylee is baking cupcakes for a bake sale. She spends $35 on supplies and she plans to sell the cupcakes for $2.50 each. How many
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Answer:

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Step-by-step explanation:

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