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andriy [413]
3 years ago
7

Find the value of x if sin(3x−4)=cos(9x−50) A.x=3 B.x=5 C.x=12 D.x=8

Mathematics
1 answer:
lidiya [134]3 years ago
8 0
I think the answer is B x=5
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A fair coin and a biased coin where the probability of obtaining a head is twice the probability of obtaining a tail. if both ar
Art [367]

Answer:

See below in bold.

Step-by-step explanation:

For the fair coin Prob(head) = 1/2 and Prob(Tail) = 1/2.

For the biased coin it is   Prob(head) = 2/3 and Prob(Tail) = 1/3.

a) Prob(2 heads) = 1/2 * 2/3 = 1/3.

b) Prob(2 tails) = 1/2 * 1/3 = 1/6.

c) Prob(1 head ) = Prob(H T or T H) = 1/2 * 1/3  + 1/2 * 2/3) = 1/6+1/3 = 1/2.

d) Prob (at least one head) = prob (HH or TH or HT) =  1/3 + 1/2 =<em> </em>5/6.

4 0
3 years ago
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
guajiro [1.7K]

Answer:

5 - x

Step-by-step explanation:

Given:

f(x)=25-x^2

g(x)=x+5

\begin{aligned}\left(\dfrac{f}{g}\right)(x) & = \dfrac{f(x)}{g(x)}\\\\ & = \dfrac{25-x^2}{x+5}\\\\& = \dfrac{(5-x)(5+x)}{(x+5)}\\\\& = \dfrac{(5-x)(x+5)}{(x+5)}\\\\& = 5-x\end{aligned}

8 0
2 years ago
Read 2 more answers
If a movie starts at 10:40am and lasts for 1h and 59min, then what time should the movie end.
OverLord2011 [107]

Answer:

12:39

Step-by-step explanation:

First, to make it easier, round the amount of time the movie lasts to the nearest hour. In this case, the movie "lasts" for 2 hours.

Add 2 hours to 10:40am. Note that when it hits 12, the am becomes pm.

10:40 + 2:00 = 12:40

Now, subtract 1 minute from the amount (1 hr 60 min - 1 hr 59 min = 1 min)

12:40 - 0:01 = 12:39

12:39 pm should be the time the movie ends.

~

7 0
3 years ago
Read 2 more answers
Order from least to greatest: 0.4 5/8 38% 0.52
ipn [44]

Answer:

The correct ans is....

38%

0.4

0.52

5/8

Step-by-step explanation:

Order form least to greatest means " Ascending order "

38 % = 38/100

0.4 = 40/100

0.52 = 52/100

5/8 =  62.5/100

Hope this helps.....

<h2><u><em>Pls mark my ans as brainliest </em></u><u> </u></h2><h2><u><em>If u mark my ans as brainliest u will get 3 extra points </em></u><u></u></h2>
6 0
3 years ago
Read 2 more answers
The function LaTeX: f\left(x\right)=2\cdot4^xf ( x ) = 2 ⋅ 4 xcan be used to represent an exponential growth curve. What is the
nikklg [1K]

Option B: 4 is the multiplicative rate of change of the function

Explanation:

The exponential growth function is f(x)=2(4)^x

We need to determine the multiplicative rate of change of the function.

First, let us determine the values of function.

x        y

1        8

2       32

3       128

4       512

Since, the multiplicative rate of change of an exponential function is the number by which the next term is increasing or decreasing.

Thus, the multiplicative rate of change of the function is given by

Multiplicative rate of change of the function = \frac{32}{8} =4

Multiplicative rate of change of the function = \frac{128}{32} =4

Multiplicative rate of change of the function = \frac{512}{128} =4

Thus, the multiplicative rate of change of the function is 4

Therefore, Option B is the correct answer.

8 0
3 years ago
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