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Savatey [412]
3 years ago
13

Jack has written the name of each planet of the solar system on a separate piece of paper and has placed all these pieces of pap

er in a bag. The names he included are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
If he picks a piece of paper at random from the bag, what is the probability that the name of the planet written on it contains at least 6 letters?

Chocies to choose below (pick a answer)
3/4
3/5
1/2
5/8
Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0
I would say 5/8 because there 5 planets that at least have a 6 or more letters in the planets name and there are 8 planets
umka2103 [35]3 years ago
3 0

Answer: The answer is 5/8 :))

Step-by-step explanation: 5 planets have at least 6 letters or more in their names, which makes, 5/8 ,there are 8 planets in total, so it makes it reasonable.

Also, I just done this question on Study Island.

Hope this helps!

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When ∆A′B′C′ is reflected across the line x = -2 to form ∆A″B″C″, vertex (note: please enter your response using apostrophes ins
maria [59]
(A) because it is reflecting over the x-axis.
7 0
3 years ago
What is the answer for <br> 6-3(n-2)=8-n
elena55 [62]

Answer:

n=2

Step-by-step explanation:

Simplify.

6−3(n−2)=8−n

6+(−3)(n)+(−3)(−2)=8+−n(Distribute)

6+−3n+6=8+−n

(−3n)+(6+6)=−n+8(Combine Like Terms)

−3n+12=−n+8

−3n+12=−n+8

Add n to both sides.

−3n+12+n=−n+8+n

−2n+12=8

Subtract 12 from both sides.

−2n+12−12=8−12

−2n=−4

Divide both sides by -2.

-2n/-2 = -4/-2

n=2

6 0
3 years ago
Read 2 more answers
Order the numbers from least Greatest 1.6 2/3 0.5 3/2 5/2
Zepler [3.9K]

Answer:

Order from least to greatest

Step-by-step explanation:

1.6

2/3=0.66666 or 0.67

0.5

3/2=1.5

2.5

Order from least to greatest would be 0.5,0.67,1.5, 1.6, 2.5

HOPE IT HELPS!!!!

6 0
3 years ago
What is the product? (x 3)(2x – 1) 2x2 – 3 2x2 6x 2x2 5x – 3 2x2 6x – 3
Rina8888 [55]
(x + 3)(2x - 1) = x(2x - 1) + 3(2x - 1) = 2x^2 - x + 6x - 3 = 2x^2 + 5x - 3
7 0
4 years ago
Read 2 more answers
The shear strength of each of ten test spot welds is determined, yielding the following data (psi).
Mumz [18]

Answer:

a) Mean = 382.3 psi

Standard deviation = 20.8 psi

b) 392.7 psi

c) P(X<400)=0.8026

Step-by-step explanation:

a) The population mean can be estimated as equal to the mean of the sample, and the population standard deviation can be estimated from the sample standard deviation:

M=\frac{1}{n}\sum x_i=\frac{1}{10}(389+405+409+367+358+415+376+375+367+362)\\\\M=\frac{1}{10}(3823)=382.3\\\\\mu\approx M=382.3

s=\sqrt{\frac{1}{n-1}\sum (x_i-M)^2}=\sqrt{\frac{1}{10-1}(389-382.3)^2+...+(362-383.2)^2}\\\\\\s=\sqrt{\frac{1}{9}(3906.1)}=\sqrt{434}=20.8\\\\\\\sigma\approx s=20.8

b) We start by searching for the z-value for the 95th percentile. This value is

z=1.645:

P(z

Then, the strength value below which 95% of all welds will have their strengths is:

X=\mu+z\cdot \sigma/\sqrt{n}=382.3+1.645*20.8/\sqrt{10}\\\\X=382.3+32.9/3.2=382.3+10.4\\\\X=392.7

c) We calculate the probability of X being equal or less than 400 as:

z=(X-\mu)/\sigma=(400-382.3)/20.8=17.7/20.8=0.851\\\\\\P(X\leq400)=P(z

6 0
3 years ago
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