Answer:
Step-by-step explanation:
Simplify each equation using PEMDAS:
Parentheses (x)
Exponents x²
Multiplication and Division, left to right × ÷
Addition and Subtraction, left to right - +
It is also important to follow PEMDAS when working within grouping symbols like parentheses.
Also, remember that two negatives make a positive, and when a negative and positive are multiplied, the result is always negative.
Find which answer is not equal to -22.
a.) 
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b.) 
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c.) 
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d.) 
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Option b is not equal to -22.
:Done
Answer:
3.75 hours
Step-by-step explanation:
Bob completes his homework in 2.5 hours.
In 1 hour, he completes 1/2.5 of his homework.
Joe completes his homework in x hours.
In 1 hour, he completes 1/x of his homework.
Together, they complete the homework in 1.5 hours.
In 1 hour, they do 1/1.5 of the homework.
1/2.5 + 1/x = 1/1.5
Convert the decimal numbers in the numerators into fractions.
1/(5/2) + 1/x = 1/(3/2)
2/5 + 1/x = 2/3
Multiply both sides by the LCD, 15x.
6x + 15 = 10x
-4x = -15
x = 3.75
Answer: 3.75 hours
Well if 1 is 20 square inches then times 20 X 30 which equals 600. So the area is 600 square inches.
55% of what is 3.3
0.55x = 3.3
x = 3.3 / 0.55
x = 6 total miles
6 - 3.3 = 2.7......so they have another 2.7 miles to go
The general equation of the sine function is 
. The sine and cosine of an acute angle are utilized to find the angle of the triangle.
<h3>What is sin function?</h3>
The sine and cosine of an angle are trigonometric functions. In the context of a right triangle, the sine and cosine of an acute angle are used to find the angle of the triangle.
The standard general equation of a sine function is given as;
Where A denotes the amplitude, B is the frequency, D is the vertical shift and C is the phase shift.
The given data in the problem is;
A is the amplitude= 2
B is the frequency=2
D is the vertical shift =0
C is the phase shift.=
The general equation is found as;
Hence the general equation of the sine function is .
To learn more about the sin function refer to the link;
brainly.com/question/6826226
