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prisoha [69]
2 years ago
5

There are 7 blue , 3 pink , 4 yellow , and 2 red markers in the tray . What is the probability that you will pick a yellow marke

r ?
Mathematics
2 answers:
Sonja [21]2 years ago
4 0

Answer:

1/4

Step-by-step explanation:

Svetllana [295]2 years ago
3 0

Answer:

1/4 or 25%

Step-by-step explanation:

The probability of picking a yellow marker is the same as how "big of a part" the yellow markers are out of the total number of markers.

Let's find the total number of markers:

7 + 3 + 4 + 2 = 16

There are 16 markers in total. Out of these, 4 are yellow.

Thus, the probability of picking a yellow will be:

\frac{yellow}{total}=\frac{4}{16}  = \frac{1}{4}

Answer: 1/4

We can also write it as a percentage:

\frac{1}{4} * 100\% = 25\%

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Answer:a

Step-by-step explanation:

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3 years ago
Use Euler's method with step size 0.2 to estimate y(1), where y(x) is the solution of the initial-value problem y' = x2y − 1 2 y
irina [24]

Answer:

Therefore the value of y(1)= 0.9152.

Step-by-step explanation:

According to the Euler's method

y(x+h)≈ y(x) + hy'(x) ....(1)

Given that y(0) =3 and step size (h) = 0.2.

y'(x)= x^2y(x)-\frac12y^2(x)

Putting the value of y'(x) in equation (1)

y(x+h)\approx y(x) +h(x^2y(x)-\frac12y^2(x))

Substituting x =0 and h= 0.2

y(0+0.2)\approx y(0)+0.2[0\times y(0)-\frac12 (y(0))^2]

\Rightarrow y(0.2)\approx 3+0.2[-\frac12 \times3]    [∵ y(0) =3 ]

\Rightarrow y(0.2)\approx 2.7

Substituting x =0.2 and h= 0.2

y(0.2+0.2)\approx y(0.2)+0.2[(0.2)^2\times y(0.2)-\frac12 (y(0.2))^2]

\Rightarrow y(0.4)\approx  2.7+0.2[(0.2)^2\times 2.7- \frac12(2.7)^2]

\Rightarrow y(0.4)\approx 1.9926

Substituting x =0.4 and h= 0.2

y(0.4+0.2)\approx y(0.4)+0.2[(0.4)^2\times y(0.4)-\frac12 (y(0.4))^2]

\Rightarrow y(0.6)\approx  1.9926+0.2[(0.4)^2\times 1.9926- \frac12(1.9926)^2]

\Rightarrow y(0.6)\approx 1.6593

Substituting x =0.6 and h= 0.2

y(0.6+0.2)\approx y(0.6)+0.2[(0.6)^2\times y(0.6)-\frac12 (y(0.6))^2]

\Rightarrow y(0.8)\approx  1.6593+0.2[(0.6)^2\times 1.6593- \frac12(1.6593)^2]

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Substituting x =0.8 and h= 0.2

y(0.8+0.2)\approx y(0.8)+0.2[(0.8)^2\times y(0.8)-\frac12 (y(0.8))^2]

\Rightarrow y(1.0)\approx  0.8800+0.2[(0.8)^2\times 0.8800- \frac12(0.8800)^2]

\Rightarrow y(1.0)\approx 0.9152

Therefore the value of y(1)= 0.9152.

4 0
3 years ago
Find the volume<br> Pls don’t answer if you don’t know the correct answer.
natulia [17]

can i just get a thank you ? lol

3 0
2 years ago
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░░░▌░▄▄▄▐▌▀▀▀░░ This is Bob

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▀█▌░░░▄░▀█▀░▀ ░░ Copy And Paste Him onto all of ur brainly answers

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do it or he will hunt you down and kill u (lets destroy the moderators!!!!!!!!)

we are slowing them down already! good work soilders!

JOIN THE BOB GANG!!!!!!!!!

Step-by-step explanation:

7 0
3 years ago
Amelia is training for a triathlon. She swims 3/5 mile. Then she runs about 6 times farther than she swims. About how far does A
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Answer:

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Step-by-step explanation:


6 0
3 years ago
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