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Phantasy [73]
2 years ago
7

PLS HELP ME AM SO STUCK ON THIS

Mathematics
1 answer:
shepuryov [24]2 years ago
8 0

Answer:

it is 612 I think

Step-by-step explanation:

hope this helps

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Find exact values for sin θ and tan θ if cos θ = -4/9 and tan θ > 0.
julsineya [31]

Answer:

Part 1) sin(\theta)=-\frac{\sqrt{65}}{9}

Part 2) tan(\theta)=\frac{\sqrt{65}}{4}

Step-by-step explanation:

we have that

The cosine of angle theta is negative and the tangent of angle theta is positive

That means that the sine of angle theta is negative

step 1

Find sin(\theta)

we know that

sin^{2}(\theta) +cos^{2}(\theta)=1

we have

cos(\theta)=-\frac{4}{9}

substitute

sin^{2}(\theta) +(-\frac{4}{9})^{2}=1

sin^{2}(\theta) +\frac{16}{81}=1

sin^{2}(\theta)=1-\frac{16}{81}

sin^{2}(\theta)=\frac{65}{81}

square root both sides

sin(\theta)=\pm\frac{\sqrt{65}}{9}

Remember that

In this problem the sine of angle theta is negative

so

sin(\theta)=-\frac{\sqrt{65}}{9}

step 2

Find tan(\theta)

we know that

tan(\theta)=\frac{sin(\theta)}{cos(\theta)}

we have

sin(\theta)=-\frac{\sqrt{65}}{9}

cos(\theta)=-\frac{4}{9}

substitute the given values

tan(\theta)=-\frac{\sqrt{65}}{9}:-\frac{4}{9}=\frac{\sqrt{65}}{4}

3 0
3 years ago
The Cinemania theater showed 108108108 different movies last year. Of those, 151515 movies were action movies. Based on this dat
Ahat [919]

Answer:

Option B.

Step-by-step explanation:

It is given that,

Last year the total number of movies = 108

Number of action movies = 15

Based on this data, we need to find a reasonable estimate of the probability that the next movie is an action movie.

So, the required probability is:

\text{Probability}=\dfrac{\text{Number of action movies}}{\text{Total number of movies}}

\text{Probability}=\dfrac{15}{108}

Hence, the correct option is B.

7 0
2 years ago
Read 2 more answers
QUESTION 6
Oxana [17]

Answer:

Option D. 17%

Step-by-step explanation:

we have

f(x)=250,000(1.17)^{x}

This is a exponential function of the form

f(x)=a(b)^{x}

where

a is the initial value

b is the base

In this problem

a=250,000 people

b=1.17

Remember that

b=1+r

so

1+r=1.17

r=1.17-1=0.17

Convert to percentage

0.17*100=17%

8 0
3 years ago
Read 2 more answers
Here are some questions that need answering:<br> thnx!
ipn [44]

Answer:

it wil be 96

Step-by-step explanation:

85 88 and 97 are all numbers that contributet to the exponentialalty ogf this number 96

5 0
2 years ago
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-2×-7y=30 <br>7×+4y=18 <br>×= <br>y=​
Sati [7]

Answer:

Answer is -7      Hope this helps :D

Step-by-step explanation:

6 0
3 years ago
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