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ikadub [295]
3 years ago
10

Can someone help me with this problem???

Mathematics
1 answer:
Greeley [361]3 years ago
8 0
Area = (39x18)/2 =351
answer = 351 m^2
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PLEASE HELP
miss Akunina [59]

In the smallest of the three triangles (with sides a,b,3) we have

a^2+3^2=b^2

In the second-largest triangle (with sides a,108), the length of the missing side is \sqrt{a^2+108^2}. Then in the largest triangle (with sides b,111,\sqrt{a^2+108^2}), we have

b^2+\left(\sqrt{a^2+108^2}\right)^2=(108+3)^2=111^2

\implies b^2+a^2+108^2=111^2

\implies b^2+a^2=657

Equivalently, we have

(a^2+9)+a^2=657\implies 2a^2=648\implies a^2=324\implies a=18

In turn, we find

b^2=18^2+3^2=298\implies b=\sqrt{333}=3\sqrt{37}

6 0
3 years ago
Find the least common multiple of 4 and 10
Irina18 [472]

Answer:

20

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Square root of 36 rounded to the nearest hundredth
Digiron [165]
The square root of 36 is 6.00.  I know this because six squared (6*6) is 36.
4 0
3 years ago
What is 15% of 100? Write an expression for the sequence of operations described below.
PIT_PIT [208]

Answer: 15 ; (g^5) - h

Step-by-step explanation:

  1. To find 15% of 100, multiply 100 and 15/100. The 100's get crossed out and the answer is 15.
  2. The expression is (g^5) - h.
7 0
3 years ago
What is the least prime number greater than 50?
uysha [10]
A prime number is a number that has only two factors: 1 and itself
For example, the number 7 has two factors: 1,7 This makes 7 a prime number
Since the number has to be greater than 50, we can go to the next whole number; 51
51 has four factors, 1,3,17,51 This is not our prime number
52 is even so obviously it's not prime because you can divide by two
53 has only two factors; 1,53 This means that its prime and the answer is 53 :)
If you have any questions feel free to ask
3 0
3 years ago
Read 2 more answers
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