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eduard
2 years ago
12

Hey i need help with question 3 i put 81.5% but i’ve been told it’s been wrong ?

Mathematics
1 answer:
frutty [35]2 years ago
5 0
68% because it’s between them
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Find the value of Z.<br> A)7<br> B)9<br> C)11<br> D)12
Gala2k [10]
As per the isosceles triangle theorem, if the two base angles are congruent then the legs are also congruent, so we must set the two legs equal to each other:

2z - 15 = 9

Add 15 to both sides:

15 - 15 = 0
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Divide 2 from each side:

2z = 24

2z/2 = z

24/2 = 12

z = 12

Hence, the answer would be D: z = 12

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2 years ago
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12.) You purchased a scooter for $6,800 when it was on sale for 30% off. What was the original price of thescooter?
Rina8888 [55]

SOLUTION:

Case: Percentages

Method:

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Final answer: (Nearest cents)

The original price was $9714.29

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