Answer:
1.38
Step-by-step explanation:
tan Ø = 2/3
Ø = tan⁻¹(2/3)
Ø = 33.69
sin 33.69 ≈ 0.55
cos 33.69 ≈ 0.83
sin Ø + cos Ø ≈ 1.38
P(a or b)= p(a)+p(b)-p(a and b)
0.7=0.6+p(b)-0.3
p(b)=0.4
p(a or b)= p(a)+p(b)-p(a and b)
=0.6+0.4-0.3
=0.7
Answer: Country A - 10machines
Country A - 1,000machines
Country A - 10,000machine
step-by-step explanation:
Since 10℅ of all machines becomes worthless every year, let's look at each country.
If 100 machines are all the machines in country A, then 10% of all the machines in country A (i.e 100 machines) will be 10% of 100 = 10 machines.
Similarly for country B, it will be equivalent to 10% of 10000, which is equal to 1,000machines.
Same goes for country C i.e 10% of 1000000 = 10,000machines are worthless.
Answer:
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The domain of a function is the set of input values the function can take
The domain is all set of real numbers
<h3>How to determine the domain</h3>
The expression is given as:

Factorize the numerator of the expression

Simplify: Cancel out the common terms

The above expression can take any value of x.
Hence, the domain is all set of real numbers
Read more about domain at:
brainly.com/question/2264373