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Nostrana [21]
3 years ago
15

Help pleaseI don’t understand

Mathematics
2 answers:
Butoxors [25]3 years ago
8 0
Angle 3 is 65
Angle 8 is 315 I think
Natalka [10]3 years ago
5 0

Answer:

Angle 3 is 65

Angle 8 is 115

Step-by-step explanation:

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 help please with these 2 !!!! i’ll give brainliest !
Westkost [7]

Answer:

2 nd question _opposite

1st question_hypotnuse

5 0
2 years ago
Read 2 more answers
Evaluate 23x-1 for x = 1.
Fed [463]
Using the order of operations (PEMDAS)...

23 · 1 - 1 = ?
23 - 1 = ?
22

The answer is 22

Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP! :)
7 0
3 years ago
You need 23 yards of fabric to make five dresses. How many yards of fabric would be needed to make 8 dresses?
olasank [31]

Answer:

36.8 or 37 yards of fabric

Step-by-step explanation:

23 yards of fabric = five dresses

23 divided by five equals four point six

four point six multiplied by eight dress equals 36.8

23 yds of fabric = 5 dresses

23÷5=4.6

If you need to know how many yards of fabric, then you'd do:

4.6×8

4.6 is the amount of each yards 5 dresses are in and so if you times that by how many dresses you need now, you'll get:

36.8 yards of fabric

To round, it'd be 37 yards of fabric

5 0
3 years ago
Lisa lit a candle with a height of 8 inches. When lit, this candle loses 10% of its original
Ivanshal [37]

Answer:

  • 1.25 hours or 1 hour and 15 minutes

Step-by-step explanation:

<em>Question</em>

  • <em>Lisa lit a candle with a height of 8 inches. When lit, this candle loses 10% of its original  height every hour. </em>
  • <em>Please complete the following sentence by writing the number in the blank.   Until the candle has been burning for at least _______ hours, the height of Jennifer's candle will be more than 7 inches.</em>

<u>Candle looses 10% of 8 inches, it equals:</u>

  • 8*0.1 = 0.8 inches an hour

<u>Let x be required time, then:</u>

  • 8 - 0.8x > 7
  • 0.8x <  8 - 7
  • 0.8x  < 1
  • x  < 1/0.8
  • x  <  1.25
  • or 1 hour 15 minutes
7 0
3 years ago
Cari drew a line that was 9 inches long. She divided the line into 10 equal-length segments.
vivado [14]
Hello!

You divide how long the line is by the amount of segments

9 / 10 = 0.9

The answer is 0.9 inches long

Hope this helps!
8 0
3 years ago
Read 2 more answers
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