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kirill [66]
2 years ago
14

An isosceles triangle has angle measures 40, 40, and 100. The side across from the 100 angle is 10 inches long. How long are the

other sides?
A. 6.43 inches
B. 15.32 inches
C. 6.53 inches
D. 10 inches
Mathematics
1 answer:
Sophie [7]2 years ago
3 0

Answer:

the answer is C- 6.53 inches

Step-by-step explanation:

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Cold Boarders offers snowboard rentals for $5 per trip and an initial fee of
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Answer:

The prices will match up at 3 snowboard rental trips. The cost is $25.

Step-by-step explanation:

First, I wrote out the two equations:

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Next, I kept trying numbers for x until I found one that worked. The two companies prices match up at 3 snowboard rental trips. The cost will be $25. Hope this helped!

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2 years ago
Violet's mother ordered 60.5 yards of satin cloth for her boutique. If she has already used 25.42 yards of the cloth, how much c
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Answer:

C.) 35.08 is the answer

Step-by-step explanation:

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2 years ago
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This problem is only for smart kids, all people who dont do it r babies
Phantasy [73]

Answer:

46

Step-by-step explanation:

∠DAC ≅ ∠ACB because they are opposite interior angles where transversal AC crosses parallel lines BC and AD.

∠DAC ≅ ∠CAB because they are corresponding angles of the similar triangles ΔABC and ΔACD.

Hence ∠ACB ≅ ∠CAB and ΔABC is isosceles with side lengths both being 9. The corresponding side lengths of ΔACD are 12, meaning the base of ΔABC, segment AC, is 12. The scale factor of ΔACD to ΔABC is then 12:9 = 4:3, so the base AD of ΔACD is (4/3)×12 = 16.

So, the side lengths of the trapezoid are ...

  • AB = 9
  • BC = 9
  • CD = 12
  • DA = 16

and the perimeter is 9 +9 +12 +16 = 46 units.

3 0
3 years ago
Increase £140 by 5%. <br> Thank you so much
liubo4ka [24]

Answer:

£140 increased by 5% is £147.00

8 0
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Janene has 12 ⅔ yards of ribbon and 8⅓ yards of gold ribbon. How much ribbon does janene have in all
SIZIF [17.4K]

Answer:

21 yards

Step-by-step explanation:

12 + 8 = 20

2/3 + 1/3 = 1

20 + 1 =  21 yards of gold ribbon

6 0
3 years ago
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