3 years ago

Unlike fractions 5/6-1/2=

Mathematics

1 answer:

PolarNik [594]3 years ago

5 0

The answer is one third or 1/3 multiply diagonal both ways and then multiply denominators

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Suppose P(A)=0.9, P(B)=0.4 and P(B|A)=0.2. What is P(A|B)?

Leokris [45]

The answer is 0.45

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Work Shown:

P(B|A) = P(B and A)/P(A)
0.2 = P(B and A)/0.9
0.2*0.9 = P(B and A)
0.18 = P(B and A)
P(B and A) = 0.18
P(A and B) = 0.18

P(A|B) = P(A and B)/P(B)
P(A|B) = 0.18/0.4
P(A|B) = 0.45

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3 years ago

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Simplify the expression:<br> 8+10w2+4w

konstantin123 [22]

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3 years ago

The leg of the isosceles triangle is two less than three times the length of its base. If the perimeter of the triangle is 45 m,

choli [55]

Answer:

19 m

Step-by-step explanation:

base=x

leg=3x-2

3x-2+3x-2+x=45

7x-4=45

7x=49

x=7

leg=3x+2=3(7)-2=19

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3 years ago

A ski has an angle of elevation of 24.4 degrees and a vertical drop of a 1100 ft to the nearest ft, how long is the ski run?

zubka84 [21]

Answer:

2663 ft

Step-by-step explanation:

Using SOHCAHTOA:

$\sin(24.4) = \frac{1100}{x}$

Solve for x:

$x = \frac{1100}{ \sin(24.4)}$

$x = 2662.765 \approx \: 2663ft$

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3 years ago

20 points ! Help please

tankabanditka [31]

Answer:

The answer is true.

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3 years ago