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kenny6666 [7]
3 years ago
13

Arpad's roof is shaped like a square pyramid. The square base has side lengths of 55 feet. The height of each triangular face is

10 feet. What is the surface area of Arpad's roof (including the base)?
Mathematics
2 answers:
mojhsa [17]3 years ago
8 0

Answer:

the answer is 4

Step-by-step explanation:

i just did it

shusha [124]3 years ago
5 0
It’s 550. 55x10=55. length times height
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The ratio of girls to boys in a school is 3:2. The school has 270 girls. How many boys are there?
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GIRLS:BOYS
3         :2
270:x
270/3=90
90*2=180
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6 0
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Cards from an ordinary deck of 52 playing cards are turned face up one at a time. If the 1st card is an ace, or the 2nd a two, o
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Answer:

Expected number of matches that occur = 4 matches

Step-by-step explanation:

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Thus, for example X_1 is the event that turning over one card results in an ace while X_2 is the event that turning over second card reveals a deuce.

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3 years ago
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RideAnS [48]

Answer:

Y= 2 · 4x

Step-by-step explanation:

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3 years ago
If Jenny can read 7 books in 8 days, exactly how many days would it take her to read 20 books?
muminat

Answer:

<h2><em><u>23</u></em><em><u> </u></em><em><u>days</u></em></h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u>,</u></em>

No. of days taken by Jenny to read 7 books

= 8

<em><u>So</u></em><em><u>,</u></em>

No. of days taken by her to read 1 book

=  \frac{8}{7}

<em><u>Therefore</u></em><em><u>,</u></em>

No. of days taken by her to read 20 books

=  \frac{8}{7} × 20

  • <em>[</em><em>On</em><em> </em><em>Simplification</em><em>]</em>

=  \frac{160}{7}

  • <em>[</em><em>On</em><em> </em><em>dividing</em><em>]</em>

= 22.85.....

  • <em>[</em><em>On</em><em> </em><em>approximating</em><em>]</em>

= 23 days (approx. )

<em><u>Hence</u></em><em><u>,</u></em>

<em><u>Jenny</u></em><em><u> </u></em><em><u>will</u></em><em><u> </u></em><em><u>take</u></em><em><u> </u></em><em><u>23</u></em><em><u> </u></em><em><u>days</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>read</u></em><em><u> </u></em><em><u>20</u></em><em><u> </u></em><em><u>books</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>

3 0
3 years ago
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Amelia enjoys running and often runs at a steady pace. At this pace, Amelia can run 50 yards in 12 seconds. What is Amelia's uni
valentinak56 [21]

Answer:

4.16

Step-by-step explanation:

50/12

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3 years ago
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