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Lyrx [107]
4 years ago
15

Find the unknown side, x. write your answer in simplest radical form

Mathematics
1 answer:
jok3333 [9.3K]4 years ago
3 0

Answer:

B. 11√2

Step-by-step explanation:

Those marks on the lines mean the side's length is 11. Now to solve x we use the Pythagorean thereom.

11^2+11^2=x^2

x^2=242

x=11√2

 

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The choir at wise middle school was preparing for their Hispanic concert. While rehearsing their opening song they noticed it to
Dominik [7]

Answer:

45.88 seconds

Step-by-step explanation:

t_1 = Time taken to sing the fist time = 48.7\ \text{s}

Time taken to sing the second time was 2.9\ \text{s} less than the first time so

t_2=t_1-2.9\\\Rightarrow t_2=48.7-2.9\\\Rightarrow t_2=45.8\ \text{s}

Time taken to sing the third time was 0.47\ \text{s} less than the the second time

t_3=t_2-0.47\\\Rightarrow t_3=45.8-0.47\\\Rightarrow t_3=45.88\ \text{s}

So the time it took the choir to sing the third time was 45.88 seconds.

8 0
3 years ago
Help please it’s for a test I’m so clueless!!!!!!
kumpel [21]

Answer:

h=12  A=144 sq. cm.

Step-by-step explanation:

pythagoream therom:

9^2+h^2=15^2

81+h^2=225

h^2=225-81

h^2=144

Sq. rt h^2=sq. rt 144

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