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IceJOKER [234]
2 years ago
15

John is playing a gamr of darts. The probability that he throws a dart into the center of the dart board (bulls eyes) is 1/10. T

he probability tgat he throws rhe dart the dart into the dart into the 10 point ring is 3/10. What is the probability that he either hits a bullseye or scores 10 points?
Mathematics
2 answers:
dangina [55]2 years ago
5 0

Answer:

2/5

Step-by-step explanation:

Natali [406]2 years ago
5 0

Answer:

\bf\textbf{The probability that he either hits a bulls eye or scores 10 points = }\frac{2}{5}

Step-by-step explanation:

\text{The probability that he throws a dart into the center of the dart board = }\frac{1}{10}

\text{The probability that he throws the dart into the 10 point ring = }\frac{3}{10}

Now we need to find the probability that he either hits a bulls eye or scores 10 points.

The probability that he either hits a bulls eye or scores 10 points = Probability that he hits the bulls eye + Probability that he throws the dart into the 10 point ring

\text{The probability that he either hits a bulls eye or scores 10 points = }\frac{1}{10}+\frac{3}{10}

\text{The probability that he either hits a bulls eye or scores 10 points = }\frac{4}{10}

\bf\textbf{The probability that he either hits a bulls eye or scores 10 points = }\frac{2}{5}

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Find all solutions of the equation in the interval [0,2pi)
irinina [24]

Answer:

{π/4, 5π/4}

Step-by-step explanation:

Tan theta -1=0 could be rewritten as tan Ф = 1.  The tangent function is 1 at Ф = π/4.  As the period of the tangent function is π,

tan Ф = 1 will be true for Ф = π/4 + π, or (5/4)π.

The solution set is {π/4, 5π/4}.

4 0
2 years ago
Answer with explanation plz
Nostrana [21]
The answer is 78.5 because the formula to find area is πr2 so the radius is 5ft π is 3.14 so 3.14 times 5 and the 2 on top of r means the u have to do 5 times 5 which is 25 now it's real simple do 3.14 times 25 which is 78.5 I HOPE THIS HELPS=)
7 0
2 years ago
Ms. Steven creates a drawing in her kitchen. Her drawing is 7cm in length and 4cm in width. The scale on the drawing is 1cm = 3f
marysya [2.9K]

Answer:

7cm=7×3ft=21ft

4cm=4×3ft=12ft

here

length=21ft

breadth=12ft

now

area= l×b

=21ft×12ft

=252ft^2

6 0
3 years ago
Read 2 more answers
PLEASE HELP I JUST NEED THE ANSWER NOT AN EXPLANATION TO HOW YOU GOT THE ANSWER
Yuki888 [10]

The answer is b, > because 30.17 is bigger than 30.018

6 0
2 years ago
How do you solve these? Please explain steps as well. Thanks.
posledela
7x-3=2x-33 \\
7x-2x=-33+3\\
5x=-30\\
x=-6\\\\
3(x-2)=2(2x-1)\\
3x-6=4x-2\\
4x-3x=-6+2\\
x=-4

3 0
3 years ago
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