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WARRIOR [948]
3 years ago
12

Why do we multiply by sin -1 to cancel it out rather than divide by sin?

Mathematics
2 answers:
Leya [2.2K]3 years ago
8 0

Answer:

The sin-1 is cancelling out the angle it has ordered.

Sin 45 = 1/ √ 2

This is why we can also check Cos 1/ √ 2 and Tan 1

Step-by-step explanation:

pantera1 [17]3 years ago
3 0

Answer:

The sin-1 is cancelling out the angle it has ordered.

Sin 45 = 1/ √ 2

This is why we can also check Cos 1/ √ 2 and Tan 1

Step-by-step explanation:

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A rectangular picture frame has a width of 9 cm and a length of x cm.
VladimirAG [237]
We are asked to find for an expression that represents the perimeter of a picture frame which has a shape of a rectangle. The dimensions given are length of size x cm and a width of size 9 cm.

The formula for the Perimeter of a rectangle is given by
P=2L+2W

where L is the length and W is the width of the rectangle.

Hence,
P=2(x)+2(9)
Simplifying this values would give us a result of,
P=2x+18

Therefore, 2x+18 is the expression that represent the perimeter of the picture frame.
3 0
3 years ago
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In triangle QRS, QR = 8 and RS = 5. Which expresses all possible length of side QS?
VLD [36.1K]
Obviously it's answer D) Why?

a) any side of a triangle is SMALLER than the SUM of the 2 others

b) any side of a triangle is GREATER than the DIFFERENCE of the 2 others

Hence D) 8-5 < QS < 8+5==>3 < QS < 13
8 0
3 years ago
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A machine has four components, A, B, C, and D, set up in such a manner that all four parts must work for the machine to work pro
olchik [2.2K]

Answer:

0.756

Step-by-step explanation:

It is given that a machine has four components, A, B, C, and D.

P(A)=P(B)=0.93, P(C)=0.95,P(D)=0.92

If these components set up in such a manner that all four parts must work for the machine to work properly.

We need to find the probability that the machine works properly. It means we have to find the value of P(A\cap B\cap C\cap D).

If two events X and Y are independent, then

P(X\cap Y)=P(X)\times P(Y)

Assume the probability of one part working does not depend on the functionality of any of the other parts.

P(A\cap B\cap C\cap D)=P(A)\times P(B)\times P(C)\times P(D)

Substitute the given values.

P(A\cap B\cap C\cap D)=0.93\times 0.93\times 0.95\times 0.92

P(A\cap B\cap C\cap D)=0.7559226

P(A\cap B\cap C\cap D)\approx 0.756

Therefore, the probability that the machine works properly is 0.756.

7 0
3 years ago
The maximum capacity of the school auditorium is 420 people. Write an inequality for the situation. Tell what type of numbers th
posledela
The number of people in the auditorium can be less than or equal to 420 so let p represent the number of people
The inequality is p≤420
4 0
3 years ago
In the inequality, 3x&gt;9, can x=3?<br> Yes or no
seraphim [82]

Step-by-step explanation:

no

because it will become

3(3)>9

9>9

it must be more than 9 unless the symbol is

\geqslant

4 0
2 years ago
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