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vodka [1.7K]
3 years ago
12

V = e^3 when e = 7 please help me​

Mathematics
1 answer:
Nuetrik [128]3 years ago
7 0

Answer:

343

Step-by-step explanation:

7^3=7×7×7=343

If e is equal to 7 just multiply 7 by 7 and then multiply that answer by 7 to find 7 to the power of 3.

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Solve for x in the given interval.
Nat2105 [25]

Answer:

7pi/2

Step-by-step explanation:

Given the expression cosec x = -1

I'm trigonometry csecx = 1/sinx

The equation becomes

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x = arcsin(-1)

x = -90°

x is negative in the third and 4th interval

Third interval;

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Since the angle should be within 3pi < x < 4pi

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x = 7pi/2

Hence the required angle is 7pi/2

8 0
3 years ago
if j is 21 inches, k is 12 inches, and angle M measures 62 degrees, then find m using the Law is Cosines. round your answer to t
AURORKA [14]

Answer:

18.7

Step-by-step explanation:

The Law of Cosines is c^2=a^2+b^2-2ab cos(C), where c is the unknown side length of a triangle, a and b are the remaining two side lengths, and C is the angle opposite to side c. To answer this question just plug in the known values:

m^2=21^2+12^2-2(21)(12) cos(62)

Simplify:

m^2=441+144-504 cos(62)

m^2=585-504 cos(62)

m=\sqrt{585-504cos(62)}

m≈18.665...

When rounded to the nearest tenth, m=18.7

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Answer:

What is the number that needs to be rounded?

Step-by-step explanation:

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