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Contact [7]
3 years ago
7

There are 5 blue, 4 red, 6 magenta, and 3 yellow chips in a bag. One chip is selected at random and then a second is chosen with

out replacement. Find the probability that the second event will occur.
a) The second was red given that the first was blue.

b) The second was yellow given the first was magenta.

c) The second was green given that the first was red.

d) The second was red given the first was not red.

Mathematics
1 answer:
Andrei [34K]3 years ago
4 0

Answer:

Step-by-step explanation:

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Rearrange the formula to make x the subject.<br><br> y = 4x + 3
allochka39001 [22]

Answer:

x=\frac{y-3}{4}

Step-by-step explanation:

y=4x+3

y-3=4x

\frac{y-3}{4}=x

x=\frac{y-3}{4}

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Which expression is equivalent to -36 – 8?
balandron [24]

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-36+-8=-44

Step-by-step explanation:

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The circle below has a radius of 3 units . Find the area of the circle. Use 3.14 for π.
const2013 [10]

Answer:

28.26 units

Step-by-step explanation:

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A = π(3^2) or A = π * 3 * 3

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Hope this helped! :)

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3 years ago
Please help????!!!!!
rjkz [21]

Answer:

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Step-by-step explanation:

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4 0
4 years ago
Please help answer these questions. My teacher said they were really easy but I just don't understand. Will mark brainliest !!!
kodGreya [7K]

Answer:

1.  A = 59

2.  A = 43

Step-by-step explanation:

If we have a right triangle  we can use sin, cos and tan.

sin = opp/ hypotenuse

cos= adjacent/ hypotenuse

tan = opposite/ adjacent


For the first problem, we know the opposite and adjacent sides to angle A

tan A = opposite/ adjacent

tan A = 8.8 / 5.2

Take the inverse of each side

tan ^-1 tan A = tan ^-1 (8.8/5.2)

A = 59.42077313

To the nearest degree

A = 59 degrees


For the second problem, we know the  adjacent side and the hypotenuse to angle A

cos A = adjacent/hypotenuse

cos A = 15.3/21

Take the inverse of each side

cos ^-1 cos A = cos ^-1 (15.3/21)

A = 43.23323481

To the nearest degree

A = 43 degrees


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3 years ago
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