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sdas [7]
3 years ago
7

If the area of a square is 64 square centimeters, whats the length of one side?

Mathematics
2 answers:
Vilka [71]3 years ago
5 0
It's A. 8x8 is 64. Therefore, 8cm is correct.
nikitadnepr [17]3 years ago
4 0
It would be A because a square has four equal sides. To determine if this is right, you would find the square root of 64 which is 8. To check, find the answer to 8 to the power of two or 8 times 8 which is 64.
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What does ^ this stand for
Talja [164]
Carets normally are used for an exponent so for example
2^3=8 
Hope it helps feel free to ask question
3 0
3 years ago
Read 2 more answers
The sum of three consecutive even numbers is-138. What is the smallest of the 3 numbers?
Vlada [557]

Answer:

the smallest of the three consecutive even numbers is 44

Step-by-step explanation:

44+46+48=138

5 0
3 years ago
Find the last one please!!!Will mark brainlyist if right
JulsSmile [24]

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129.6º

Step-by-step explanation:

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3 0
3 years ago
A probability experiment is conducted in which the sample space of the experiment is upper s equals startset 4 comma 5 comma 6 c
olchik [2.2K]
The correct question statement is:

A probability experiment is conducted in which the sample space of the experiment is S = {4,5,6,7,8,9,10,11,12,13,14,15}. Let event E={7,8,9,10,11,12,13,14,15}. Assume each outcome is equally likely. List the outcomes in E^{c}. Find P(E^{c}).

Solution:

Part 1:

E^{c} means compliment of the set E. A compliment of a set can be obtained by finding the difference of the set from the universal set. The universal set is the set which contains all the possible outcomes of the events which is S in this case.

So, compliment of E will be equal to S - E. S - E will result in all those elements of S which are not present in E. So, we can write:

E^{c}=S-E \\  \\ 
E^{c}=(4,5,6,7,8,9,10,11,12,13,14,15)-(7,8,9,10,11,12,13,14,15) \\  \\ 
E^{c}=(4,5,6)

Thus the set compliment of E will contain the elements {4,5,6}.So

E^{c} = {4,5,6}

Part 2)

P(E^{c}) means probability that if we select any number from the Sample Space S, it will belong the set E compliment.

P(E^{c}) = (Number of Elements in E^{c})/Number of elements in S

Number of elements in set S = n(S) = 12
Number of elements in set E^{c} = n(E^{c})=3

So, 

P(E^{c})= \frac{n(E^{c}) }{n(S)} \\  \\ 
P(E^{c})= \frac{3}{12} \\  \\ 
P(E^{c})= \frac{1}{4}
7 0
3 years ago
Q4 Find the missing angle x
BaLLatris [955]

Answer:

Step-by-step explanation:

X = 1/2 arc QS

arc QS is  

360 =145+105+QS

110 = QS

so X is 1/2 QS

X= 55°

5 0
3 years ago
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