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kiruha [24]
3 years ago
14

I NEED HELP FAST PLEASE

Mathematics
1 answer:
ololo11 [35]3 years ago
4 0

Please Give me Brainliest, Thank You

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Is fast please help me is a exam
qaws [65]

Answer:

100 minutes

Step-by-step explanation:

1 hour = 60 minutes.

(2 / 3) * (1 hour) =

40 minutes

So the movie was 1 hour 40 minutes

REMEMBER:

1hr = 60 mins

60 mins + 40 mins = 100 mins

Hence, the answer is 100 mins

5 0
1 year ago
Find the value of sin(a/2) if cosa= 12/13<br>​
daser333 [38]

Answer: sin\frac{a}{2} = ± \frac{1}{\sqrt{26} }

Step-by-step explanation:

We very well know that,

cos2A=1−2sin²A

⟹ sinA = ±\sqrt{(1-} \frac{cos2A}{2} )

As required,  set A = \frac{a}{2}   &   cos a=  \frac{12}{13}    ,thus we get

sin \frac{a}{2} =± \sqrt{\frac{1-cos a}{2} }  

∴ sin\frac{a}{2} =±\sqrt{\frac{1-\frac{12}{13} }{2} } = ± \frac{1}{\sqrt{26} }

   since ,360° < \frac{a}{2} <450°

             ,180° < \frac{a}{2} <225°

Now, we are to select the value with the correct sign. It's is obvious from the above constraints that the angle a/2 lies in the III-quadrant where 'sine' has negative value, thus the required value is negative.

hope it helped!

   

5 0
2 years ago
Can someone help me with this? Right answer gets brainliest!! :)
Sedbober [7]

I have 2 answers in mind

Answer #1:

\frac{y}{z}

Step-by-step explanation:

quotient means the answer to 2 things being divided so the quotient of y and z would be \frac{y}{z} because there is no numerical value.

Answer #2:

1

Step-by-step explanation:

Usually, when a letter is left by itself in an equation it usually has an invisible one in front of it. so when dividing y by z it would equal 1/1 which is equal to one.

Hope this helps :)

6 0
3 years ago
How many $1 dollar bills do i need to circle the earth? Thanks
ozzi
1 billion dollars × 6 inches per dollar = 6 billion inches / 63,360 inches per mile = 94,636.97 miles coverted by1 billion bills. answer = 94,636.97 miles 
8 0
3 years ago
150 adults complete a survey 80 are female what's the ratio from men to female
Dafna11 [192]
80:70 WOULD BE THE RATION
3 0
2 years ago
Read 2 more answers
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