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Aleonysh [2.5K]
3 years ago
5

HELP ASAP FIRST RIGHT GET BRAINLEST

Mathematics
2 answers:
My name is Ann [436]3 years ago
7 0

Answer:

A

Step-by-step explanation: hope it helps

Naddik [55]3 years ago
7 0

Answer:

-5/6

Step-by-step explanation:

-\frac{5}{7} is then multiplied by the reciprocal

-\frac{5}{7}*\frac{7}{6} cross cancel the sevens

-\frac{5}{6\\} is your answer

You might be interested in
It is a well-known fact that 50% of the general population are rascals (P(R) = 0.5) and 50% of the general population are not ra
aleksley [76]

Answer:

The answer is D. 0.75

Step-by-step explanation:

Let call R the event that a person is rascal, RC a person is not rascal, TH a person use top hat and NTH a person don’t use top hat.  

From the information on the question we have 4 options with their respective probability:

1. A person could be rascal and use top Hat: this probability is calculate as the multiplication of the probability of be a rascal (0.5) and use a top hat (0.9), then:

P(R y TH)=0.5*0.9=0.45

2. A person could be rascal and don’t use top Hat: this probability is calculate as the multiplication of the probability of be a rascal (0.5) and not use a top hat (0.9), then:

P(R y NTH)=0.5*0.1=0.05

3. A person could be not rascal and use top Hat: this probability is calculate as the multiplication of the probability of not be a rascal (0.5) and use a top hat (0.3), then:

P(RC y TH)=0.5*0.3=0.15

4. A person could be not rascal and not use top Hat: this probability is calculate as the multiplication of the probability of not be a rascal (0.5) and not use a top hat (0.7), then:

P(RC y NTH)=0.5*0.7=0.35

Then the probability that a person is a rascal given that he is wearing a top hat could be written and calculate as:

P(R/TH)=\frac{P(R y TH)}{P(TH)}

For calculate P(TH) we need to sum all the option in which TH is involve so:

P(TH) = P(R y TH)+ P(RC y TH)

P(TH)=0.45+0.15=0.6

Replacing values on the first equation we get:

P(R/TH)=\frac{0.45}{0.6} =0.75

So, the probability that a person is a rascal given that he is wearing a top hat is 0.75

5 0
3 years ago
What's the sum of 1015 and 119
son4ous [18]
Sum means addition:
So...

1015 + 119 = 1134

Hope this helped!

7 0
3 years ago
The value of y varies directly with x and inversely with
Pani-rosa [81]

Answer:

x = 45 when y = 20 and z = 6

Step-by-step explanation:

The general formula here is y = kx/z²

If x = 24 and y = 6, z = 8, so:

y = kx/z² becomes 6 = k(24)/8², and:

             6                   1

k = ---------------- = -------------- = 16

         24/64            4/64

Then y = 16x/z², and so, if y = 20 and z = 6 (check this!), then:

20 = 16x/36, or 16x = 720, or x = 45

x = 45 when y = 20 and z = 6

3 0
2 years ago
lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
aksik [14]

Answer:

x = 28°

Explanation:

  • m || n

|| means parallel lines.

  • x = 28°

<u>reason</u>:

Alternate interior angles, so has same angle measure.

5 0
2 years ago
Read 2 more answers
Y = |x| translated half a unit to the right.
Diano4ka-milaya [45]

Answer:

y=|x-0.5|

Step-by-step explanation:

right/left is always within the absolute value itself.

to the right is always negative.

4 0
3 years ago
Read 2 more answers
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