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VLD [36.1K]
2 years ago
7

15.

Mathematics
2 answers:
elena55 [62]2 years ago
8 0

Step-by-step explanation:

5x + 2y = 6

m = -a/b

m = -5/2

Option → A

pochemuha2 years ago
4 0

Answer:

A.-5/2

Step-by-step explanation:

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Five standard six-sided dice are rolled. We are told there is no three-of-a-kind, but there is a pair of dice that show the same
Neko [114]

The probability that after re-rolling these three dice, at least three of the five dice show the same value is  \frac{4}{9}

Of the three dice rolled, one may match the original pair and two are different, and this can occur three ways:

(\frac16 \times \frac56 \times \frac56 ) + ( \frac56 \times \frac16 \times \frac56 ) + ( \frac56 \times \frac 56 \times \frac 16 )  =  \frac {75}{216}

[ where \frac{1}{6} is the probability of matching the first two and \frac{5}{6} is the probability of not matching the first two ]

Or, two may match the original pair and one is different

( \frac16 \times \frac16 \times \frac 56 ) + ( \frac16 \times \frac56 \times \frac 16 ) + ( \frac56 \times \frac16 \times \frac16 )  = \frac {15}{216}

Or, all three may match the original pair

( \frac 16 \times \frac 16 \times \frac 16 )  = \frac {1}{216}

Or, all three may  be the same, but not match the original pair:

( \frac 56 \times \frac 16 \times\frac 16 )  =  \frac {5}{216}

[ where \frac{5}{6} is the probability of getting a new number and \frac{1}{6} is the probability of matching that new number ]

Adding these together: \frac {75}{216} + \frac {15}{216} + \frac 1{216} + \frac 5{216}  =  \frac {96}{216}  = \frac 49

To learn more about probability with the given link

brainly.com/question/11234923

#SPJ4

3 0
2 years ago
The equation of a circle is . x2 + y2 + Cx + Dy + E = 0. If the radius of the circle is decreased without changing the coordinat
Neporo4naja [7]
To determine the effect of the radius changes to the coefficients, we need to rewrite the form of the equation into:

(x−α)²+(y−β)²=r² 
From the equation, we will see that:

C=−α∗2
D=−β∗2
and α²+β²−r²=E
where r represents the radius of the circle and α,βare the coordinate of the center of the circle.

Therefore, when the r decreases the coefficients C and D do not change but E increases.
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6 0
3 years ago
Read 2 more answers
How do you find 0.11111-K=0.01121
Doss [256]
I believe that the answer to this is k=0.0999
4 0
4 years ago
Write an expression that represents 6 less than a number time 5
den301095 [7]
5x-6 because 6 less than means after and a number times 5 would be 5x so it would be 5x-6
7 0
3 years ago
Select the true sratement about th information in the table
DaniilM [7]

Answer:

B: For every 3 rabbits there are 8 total animals.

Step-by-step explanation:

There are 16 total animals, 6 of which are rabbits. Meaning that half of the rabbits 3, would correspond to a TOTAL animal count of 8 including those three rabbits.

5 0
3 years ago
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