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2 years ago

WILL GIVE BRAINLIEST!!! Solve the equation cos(x)sin(7x)=cos(3x)sin(5x)

Mathematics

2 answers:

Wewaii [24]2 years ago

8 0

Must mark brainliest and click thanks.

Check the image for the answer with full steps

Sveta_85 [38]2 years ago

3 0

Answer:

CACULATOR: shift solve= ---> x= π

Step-by-step explanation:

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15 is 9 than j what is j in this question

marysya [2.9K]

Answer:

Step-by-step explanation:

15 is 9 more hence you subtract 9 from15

Hope this helps

3 0

2 years ago

What can be concluded from the statement ∠1 + ∠2 = 90°?

irinina [24]

<1+<2=90°

The sum of measures of angles A and B is 90°

Hence the angles are complementary

As complementary angles have sum 90°

8 0

1 year ago

The number of accidents that occur at a busy intersection is Poisson distributed with a mean of 4.5 per week. Find the probabili

Mariana [72]

Answer:

a) 0.01111

b) 0.4679

c) 0.33747

Step-by-step explanation:

We are given the following in the question:

The number of accidents per week can be treated as a Poisson distribution.

Mean number of accidents per week = 4.5

$\lambda= 4.5$

Formula:

$P(X =k) = \displaystyle\frac{\lambda^k e^{-\lambda}}{k!}\\\\ \lambda \text{ is the mean of the distribution}$

a) No accidents occur in one week.

$P(x =0)\\\\= \displaystyle\frac{4.5^0 e^{-4.5}}{0!}= 0.01111$

b) 5 or more accidents occur in a week.

$P( x \geq 5) = 1-\displaystyle \sum P(x$

c) One accident occurs today.

The mean number of accidents per day is given by

$\lambda = \dfrac{4.5}{7} = 0.64$

$P(x =1)\\\\= \displaystyle\frac{0.64^1 e^{-0.64}}{1!}= 0.33747$

5 0

2 years ago

What is;<br><br> 3+7+2-1+12-8÷19=

Novay_Z [31]

Answer:

22.5 repeated

Step-by-step explanation:

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2 years ago

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The least common multiple of 24, 28 and 45 is:

lisabon 2012 [21]

Answer: 2520

Step-by-step explanation:

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2 years ago

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