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joja [24]
3 years ago
12

Question

Mathematics
1 answer:
meriva3 years ago
4 0

Question:

In a neighbourhood pet show, each of the animals entered is equally likely to win. if there are 7 dogs, 6 cats, 3 birds, and 2 gerbils entered, what is the probability that a bird will win the top prize?

Answer:

Probability that a bird will win the top prize is 0.167

Step-by-step explanation:

Given:

The number of  dogs  = 7

The number of  cats = 6

The number of  birds  = 3

The number of gerbils = 2

To Find:

Probability that a bird will win the top prize = ?

Solution:

Let us first find the total number of  pets .

The Total number of pets = 7 + 6 + 3  + 2 =  18

Now the probability of  a bird will win the top prize is

=> \frac{\text {Number of birds}}{\text{ Total number of pets}}

=>\frac{3}{18}

=> \frac{1}{6}

=>0.167

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geniusboy [140]
The answer is: b. 5%

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You then get the radius by doing A = π*r^2 = πd^2/4 which is 314.159 (rounded).

Divide 314.159 and 6000 to get 0.05235 or 5%.
5 0
3 years ago
In ΔRST, s = 58 inches, ∠R=115° and ∠S=19°. Find the length of r, to the nearest 10th of an inch.
Lorico [155]

Answer:

365.9 Inches

Step-by-step explanation:

To find the value of Sin A can be found using the sine rule. the rule states that the ratio of the length facing an angle in a triangle to the sine of the angle is constant. As such,

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Where is a is the side facing angle A, b is the side facing angle B and c is the side facing angle C.

Hence,

58/Sin 19 = r/Sin 115

r = 58 Sin 115/ Sin 19

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8 0
3 years ago
Simplify the expression <br><br> 12y plus 5x plus 8y
zlopas [31]

Answer:

20y + 5x

Step-by-step explanation:

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12y + 5x + 8y

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5 0
2 years ago
Scott wants to buy fencing to place around a circular rock garden. The diameter of the circle is 16 feet. Using 3.14 for π, Calc
denpristay [2]

Answer:

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Step-by-step explanation:

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Where

r = radius

Given diameter of 16 feet

r = diameter/2

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Pi = 3.14

Therefore,

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