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3 years ago

8

The quotient of two negative integers results in an integer how does the value of the quotient compared to the value of the orig

inal two integers

1 answer:

Annette [7]3 years ago

3 0

The value of the quotient will result in a positive integer compared to the original two integers that started off as a negative integer

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Evaluate the expression

AURORKA [14]

Answer: C) tan(pi/56)

=============================================

Explanation:

I recommend using a trig identity reference sheet. The specific identity we will be using is $\frac{\tan(A)-\tan(B)}{1+\tan(A)\tan(B)} = \tan(A-B)$

What we are given is in the form $\frac{\tan(A)-\tan(B)}{1+\tan(A)\tan(B)}$ with A = pi/7 and B = pi/8

A-B = (pi/7)-(pi/8)

A-B = pi(1/7-1/8)

A-B = pi(8/56 - 7/56)

A-B = pi*(1/56)

A-B = pi/56

Therefore,

$\frac{\tan\left(\pi/7\right)-\tan(\pi/8)}{1+\tan(\pi/7)\tan(\pi/8)} = \tan\left(\pi/56\right)$

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3 years ago

The names of 9 boys and 2 girls are in a hat. What is the probability of first drawing a girl’s name and then a boy’s name from

alex41 [277]

B.) 9/55
this is because first you have a 2/11 chance of getting a girl's name then you have a 9/10 chance of getting a boys name.
$\frac{9}{10} \times \frac{2}{11} = \frac{9}{55}$

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3 years ago

Help me with math 20 points

irakobra [83]

I would suggest that you look up a conversion chart.

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Joe and 3 friends ate lunch at a cafe. They decided to split the bill evenly. The total bill was $21.84. How much was each perso

pochemuha

$5.46

21.84 divided by 4 people gives you the answer

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Jeremiah has a previous balance of $594 on a credit card with a 12.7% APR compounded monthly. If he made a payment of $25 this m

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