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Verizon [17]
2 years ago
14

I'll give brainlist for you if you help me

Mathematics
1 answer:
MAXImum [283]2 years ago
6 0

Answer:

the period of this graph is 2\pi

Step-by-step explanation:

The period is the length of the section that repeats.  So for this graph, we need to calculate the distance between 2 peaks or 2 troughs of the curve.

Let's look at the peaks (maximums).

One is at x = 0 and the next is at x = 2\pi

2\pi - 0 = 2\pi

Therefore, the period of this graph is 2\pi

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Professor Lam is grading papers in the teachers' lounge. He has already finished grading 6 assignments, and is grading 4 more as
Delvig [45]

Answer:

Step-by-step explanation: If Professor Lam grades 4 papers per hour, in 11 hours he will graded 44 papers. (11 x 4= 44). He had previously graded 6 papers giving him a total of 50 papers graded. His assistant can grade 5 papers per hour, thus it would take him 10 hours to grade the same amount of papers as Professor Lam. (10 x 5= 50) Thus: 11 hours Professor Lam 50 papers graded; 10 hours his assistant 50 papers graded.

3 0
2 years ago
Evaluate the following expression at x = -4<br> -5x-1
ANTONII [103]
All u have to do is 20-1=19
3 0
3 years ago
Read 2 more answers
Work out the number of boys and girls in the class.
Ne4ueva [31]

Answer:

81

Step-by-step explanation:

27 total of pupils.

girls 1×27=27

boys 2×27=54

total 54+27=81

6 0
2 years ago
Log base 8 of 8 ^x+1
____ [38]

Answer:

x + 1

Step-by-step explanation:

log(x) is the inverse function of an exponent. "log base 8 of xyz" means "what number do I have to raise 8 to, to get xyz". In this case, it means, "what number do I have to raise 8 to, to get x + 1". That's simple, it's just x + 1!

6 0
3 years ago
I need to pass this test
g100num [7]

Answer:

C. f⁻¹(x) = 3 - 5x

Step-by-step explanation:

To find the inverse of a function, switch x and y and solve for y.

f(x) = (3 - x)/5

Change f(x) to y.

y = (3 - x)/5

Switch x and y.

x = (3 - y)/5

Multiply both sides by 5.

5x = 3 - y

Subtract 3 from both sides.

5x - 3 = -y

Multiply both sides by -1.

-5x + 3 = y

Switch the sides.

y = -5x + 3

Change the equation.

y = 3 - 5x

3 0
2 years ago
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