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Rufina [12.5K]
4 years ago
14

please please help me find the surface area ! ive been struggling doing these kinds /: (BRAINLIEST WILL BE GIVEN OUT! ) <3

Mathematics
1 answer:
never [62]4 years ago
7 0

Answer:

For the first one is 340.

Step-by-step explanation:

The SA formula is SA = s^2 + 2 × s × l

so 10^2+2*10*12=340.

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How is 2/5 + 3/5 = 1
postnew [5]

Answer:

Hey mate......

Step-by-step explanation:

This is ur answer.....

<h2 /><h2><em>= 2/5 + 3/5 </em></h2><h2><em>= 5/5 </em></h2><h2><em>= 1</em></h2>

<em>(When you simplify both numbers, you get 1)</em>

Hope it helps!

Brainliest pls!

Follow me! :)

7 0
3 years ago
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Solve the following system of equations 7x - 3y = 11 and 2x + 6y = 10​
professor190 [17]

Answer:

x=2 & y=1

Step-by-step explanation:

(see attachment below)

5 0
3 years ago
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(GEOEMTRY. REAL HELP ONLY NO GUESSES) For the triangles to be similar by the SSS similarity theorem, what must be the value of y
pochemuha
The answer to your question is 20.                   
5 0
3 years ago
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lin read 3/8 of a magazine article on monday and 1/8 of article tuesday. what fraction of the article did she read on monday and
umka21 [38]
Lin read 1/2 of the magazine article on those 2 days.

This can be found by adding 3/8 and 1/8. This gives you 4/8 or 1/2 if you simplify it (divide by 4).

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7 0
3 years ago
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A farmer from Whidbey Island: A man claims his whalebone can detect water. You design an experiment using a set of 4 cans, 3 emp
tatyana61 [14]

Answer:

The value is E(x) =  1.25

Step-by-step explanation:

From the question we are told that

The number of cans is n = 4

The number of can that are empty is N = 3

The number of can filled with water is k = 1

The number number of sets of cans is w = 5

Generally probability of detecting the correct can is mathematically represented as

p  =  \frac{k}{n}

=> p  =  \frac{1}{4}

=> p  = 0.25

Generally probability of not detecting the correct can is mathematically represented as

q =  1- p

q =  1- 0.25

q = 0.75

Generally the number of cans expected of the farmer to correctly identify by chance is mathematically represented as

E(x) =  w  *  p

=> E(x) =  5  * 0.75

=> E(x) =  1.25

5 0
3 years ago
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