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liubo4ka [24]
4 years ago
5

My expectation from my teacher.

Mathematics
1 answer:
vovangra [49]4 years ago
8 0
I would like to have a patient and good teacher,who is not angry or stressed,or give us lots of homeworks.

Hope I helped u :)
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If a hallway measuring 90 feet by 7 feet requires 1/2 a fluid ounce of cleaning solution per square foot, how much cleaning solu
kirill115 [55]
90ft by 7ft gives an area of:
90 x 7 = 630 sq ft

1/2 fl oz is needed for each square foot

630 x 1/2 = 315 fl oz required.
4 0
3 years ago
Whats an equation that represents 10 dollars for every hour
Bad White [126]

Answer:

m = 10t

Step-by-step explanation:

Let m represent the total money

Let t represent the number of hours

7 0
4 years ago
Solve sin(2x)cos(6x)-cos(2x)sin(6x)=-0.7
RSB [31]

Answer:

x = π/4 - 1/4 sin^(-1)(7/10) + (π n_1)/2 for n_1 element Z

or x = (π n_2)/2 + 1/4 sin^(-1)(7/10) for n_2 element Z

Step-by-step explanation:

Solve for x:

cos(6 x) sin(2 x) - cos(2 x) sin(6 x) = -0.7

-0.7 = -7/10:

cos(6 x) sin(2 x) - cos(2 x) sin(6 x) = -7/10

Reduce trigonometric functions:

-sin(4 x) = -7/10

Multiply both sides by -1:

sin(4 x) = 7/10

Take the inverse sine of both sides:

4 x = π - sin^(-1)(7/10) + 2 π n_1 for n_1 element Z

or 4 x = 2 π n_2 + sin^(-1)(7/10) for n_2 element Z

Divide both sides by 4:

x = π/4 - 1/4 sin^(-1)(7/10) + (π n_1)/2 for n_1 element Z

or 4 x = 2 π n_2 + sin^(-1)(7/10) for n_2 element Z

Divide both sides by 4:

Answer: x = π/4 - 1/4 sin^(-1)(7/10) + (π n_1)/2 for n_1 element Z

or x = (π n_2)/2 + 1/4 sin^(-1)(7/10) for n_2 element Z

8 0
3 years ago
If r is the radius of a circle and d is its diameter, which of the following is an equivalent formula for the circumference C =
Illusion [34]


<span>c=2*pi*r 
2r=d 
so 
c=pi*d
</span>I hope this clarifies everything. 
8 0
3 years ago
Read 2 more answers
calcola la misura della diagonale di un rettangolo sapendo che il perimetro è 388 cm e la base misura 168.
Hoochie [10]

Answer:

41.6 cm

Step-by-step explanation:

5 0
3 years ago
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