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Svetlanka [38]
3 years ago
14

1. Suppose that cos B = 0.68. What is the value of sin(a)? Explain.

Mathematics
1 answer:
Papessa [141]3 years ago
5 0

The value of Sin(a) suppose that Cos B = 0.68 in which case, a + B = 90° is; 0.68.

<h3>Trigonometry</h3>

First, when we have two angles, whose sum equals, 90°.

In essence, Since the algebraic sum of angles A and B is 90°;

  • A + B = 90.

  • B = 90 -A.

By trigonometric identity;

  • Sin A = Cos (90 - A)

Where; (90 - A) = B.

Therefore; Sin A = Cos B = 0.68.

Read more on trigonometry;

brainly.com/question/20519838

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A total of 516 tickets were sold for the school day. There were either adult tickets or student tickets. The number of student t
prisoha [69]

Answer:

Step-by-step explanation:

s=3a

t=s+a

t=516

now lets use 3a instead of s.

516=3a+a

516=4a

a=129 (adult)

s=3(129)

s=387 (student)

6 0
3 years ago
Read 2 more answers
When you send out a resume, the probability of being called for an interview is 0. 40. what is the probability that the first in
Kipish [7]

The probability that the first interview occurs on the fifth resume that you sent is 0.2592.

According to the given question.

The probability of being called for an interview, p = 0.40.

So, the probability of not being called for an interview, q = 1 - 0.40 = 0.60

As we know that binomial distribution summarizes the number of trials, or observations when each trial has the same probability of attaining one particular value. The binomial distribution determines the probability of observing a specified number of successful outcomes in a specified number of trials.

Therefore, the probability that the first interview occurs on the fifth resume that you send out

= ^{5} C_{1} (0.40)^{1} (0.60)^{4}

= 5(0.40)(0.1296)

= 0.2592

Hence, the probability that the first interview occurs on the fifth resume that you sent is 0.2592.

Find out more information about probability here:

brainly.com/question/14210034

#SPJ4

3 0
2 years ago
What is equivalent to 48x-6+3y/3
DIA [1.3K]

Answer:

Step-by-step explanation:

We can divide 3 out of all three given terms:

3(16x - 2 + y/3)

is one possibility.  Where are the answer choices that you were given?

Note:  48x-6+3y/3 is an expression in x and y, but is not an equation.  Is that what  you intended?

6 0
3 years ago
Solve the equation 36x^2 25=0
Anna71 [15]
Would assume it to be 36x² - 25 = 0

<span>36x² - 25 = 0
</span>
<span>(6x)² - 5</span>²<span> = 0</span>

(6x + 5)(6x - 5) = 0         By difference of two squares.

6x + 5 = 0           or         6x - 5 = 0

6x = -5                             6x = 5

x = -5/6                              x = 5/6

x = +5/6   or - 5/6

7 0
4 years ago
Can somebody help me?
nikklg [1K]

Answer:

8a + 16c

(8 ×-5 ) +(16 × -1)

-40 +(-16)

-56

7 0
3 years ago
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