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FinnZ [79.3K]
3 years ago
14

Please help me I need help number three 17 points for all work shown.

Mathematics
2 answers:
Damm [24]3 years ago
7 0

Answer:

  • 15%

Step-by-step explanation:

  • Actual number = 172
  • Estimated number = 198

<u>Error: </u>

  • 198 - 172 = 26

<u>Percent error:</u>

  • 26/172*100% = 15% rounded to the whole number
LenKa [72]3 years ago
5 0

Step-by-step explanation:

\% \: error =  \frac{198 - 172}{172}  \times 100 \\  =  \frac{26}{172}  \times 100 \\  = 15\%

<h2>15%(approx) is the right answer.</h2>
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Set up a proportion.

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6 0
4 years ago
NEED HELP FAST PLZ
san4es73 [151]

Answer:

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3 years ago
A cactus casts a shadow 33 feet long. At the same time of day, Liam who is 6 feet tall, casts a shadow 9 feet long, as shown.
castortr0y [4]

Answer:

here's the solution :-

1.) =》the base of the larger triangle is the length of shadow formed by cactus .

so, length of cactus is : 33 feet.

2.) now, jn the smaller triangle formed by liam and it's shadow : -

=》

since both triangle form 90° the bases of both the larger and smaller triangles are parallel , so the base angles of larger triangle = corresponding base angles of the smaller triangle

hence, the both triangles are similar

( by A.A postulate )

now since the both triangles are similar, the the sides will be proportional ,

=》

\frac{9}{33}  =  \frac{6}{x}

=》

x =  \frac{6}{9}  \times 33

=》

x = 2 \times 11

=》

x = 22

so, length of the cactus = x = 22 feet

6 0
3 years ago
Tim has to read some books for school Tim read 1 books on Tuesday,
miv72 [106K]

Answer:

2 books

Step-by-step explanation:

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Two gardens are being fenced in. Both gardens will require the same amount of fencing (both gardens have the same perimeter in m
Naily [24]

Answer: We know:

the triangle gardern(garden A) and the square garden(garden B) have the same perimeter.

This may sound obv, but it's important: garden A has 1 less side then garden B, which is why it can have longer sides but the same perimeter.

So side A1 + side A2 + side A3 = side B1 + side B2 +  side B3 + side B4.

A1 + A2 + A3 = B1 + B2 + B3 + 15(the extra length on the triangle sides)

Since B is a square, B = 15 m by 15 m.

I don't know enough about triangle to put the dementions, but it's an equilateral triangle so the sides are 20 m each.  Hope that helps! :)

3 0
2 years ago
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