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hoa [83]
3 years ago
13

I need to know what goes each box 28 POINTS :)

Mathematics
2 answers:
nordsb [41]3 years ago
7 0

Answer:

4 in the first box. 5/12 in the other two

pickupchik [31]3 years ago
7 0

Answer:

first box(z ):- 4

2nd box(x) :- 5

3rd box(y) :- 12

Step-by-step explanation:

we can equate the equation on both side of equality and can solve it separately.

\frac{1}{3}  +  \frac{1}{12}  =  \frac{x}{y}

\frac{4 + 1}{12}  =  \frac{x}{y}  \\  \frac{5}{12}  =  \frac{x}{y}

now ,

\frac{z}{12}  +  \frac{1}{12}  =  \frac{x}{y}

\frac{z + 1}{12}  =  \frac{5}{12}

z + 1 = 5 \\  \\ z = 4

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The diagonals of rhombus fghj intersect at point k. if side gh is equal to 3x - 10 and side jh is equal to 6x - 19, find x
exis [7]
A rhombus is a square but turned so it looks like a diamond. This means all the sides are equal. With this information we can build an equation to solve for x.

3x - 10 = 6x - 19

1) Subtract 3x from both sides.

-10 = 3x - 19

2) Add 19 to both sides.

9 = 3x

3) Divide both sides by 3.

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8 0
3 years ago
A certain virus infects one in every 300 people. A test used to detect the virus in a person is positive 90​% of the time when t
garik1379 [7]

Answer:

a)  P[A/B] = 0,019     or     P[A/B] = 1,9 %

b)  P[A- /B-] = 0,9996       or    P[A- /B-] = 99,96 %

Step-by-step explanation:

Bayes Theorem :

P[A/B]  =  P(A) * P[B/A] / P(B)

The branches of events are as follows

Condition 1        real infection     1/300        and     not infection  299/300

Then

1.-    1/300      299/300

When the test is done   (virus present)  0,9 (+)    0,15 (-)

2.-   299/300

When the test is done  ( no virus )   0,15  (+)     0,85 (-)

Then:

P(A) = event person infected          P(B)  =  person test positive

a) P[A/B]  = P(A) * P[B/A] / P(B)

where   P(A)  = 1/300  =   0,0033   P[B/A] = 0,9    

Then P(A) * P[B/A] =  0,0033*0,9  =  0,00297

P(B)   is    ( 1/300 )*0,9  +  (299/300)*0,15

P(B) = 0,0033*0,9 + 0,9966*0,15    ⇒  P(B) = 0,1524

Finally

P[A/B] =  0,00297 /0,1524

P[A/B] = 0,019     or     P[A/B] = 1,9 %

b) Following sames steps:

P[A- /B-] = (299/300) * 0,85  / (299/300) * 0,85 + (1/300 * 0,1)

P[A- /B-] = 0,8471 /0,8474

P[A- /B-] = 0,9996       or    P[A- /B-] = 99,96 %

6 0
3 years ago
100 points! Which statements are correct interpretations of this graph?
prohojiy [21]

Answer: 3 boxes every 4 minutes, and 0.75 boxed every minute. And  0.75 boxes are filled per minute.

Step-by-step explanation: Hope This Helps!

5 0
1 year ago
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