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777dan777 [17]
3 years ago
10

What assumption must be made about the sun rays if you use this method of determining the circumference of a large sphere?

Mathematics
1 answer:
Alexxandr [17]3 years ago
6 0
Based on the given details, the assumption that must be made about the sun rays if using the method of determining the circumference of a large sphere is that, the rays it emits are of a certain angle from one another and these rays would travel in parallel. These rays are not touching, therefore, its angles are the same. Hope this answer helps.
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There are 12 marbles in a box. 8 are purple, and 4 are green. What is the probability of picking a purple marble and then a gree
Bad White [126]

Answer: 8/33

Step-by-step explanation:

So the probability of picking a purple marble is 8/12, after that there are 11 marbles left in the box

Now the probability of picking a green marble without placing the first marble back is 4/11

So the probability of doing both is 8/12 x 4/11 = 8/33

8 0
2 years ago
A bag contains 50 blue marbles and 66 red marbles. If 88 more red marbles are added to the bag, how many more blue marbles must
vaieri [72.5K]

Answer:

60

Step-by-step explanation:

After adding 88 red marbles, there are 50 blue marbles out of the 204 marbles total.

Let the number of blue marbles to be added be x.

\frac{50+x}{204+x}=\frac{5}{12} \\ \\ 600+12x=1020+5x \\ \\ 420=7x \\ \\ x=60

7 0
1 year ago
Kylie is looking for a job cutting hair. One option is self-employment at the Greenpoint Salon, where she would pay $600 per mon
Tanzania [10]

Answer: how much does a haircut cost

Step-by-step explanation:

7 0
3 years ago
A pack of cinnamon-scented pencils sells for $7.00. What is the sales tax rate if the total cost of the pencils is $7.28?
Lerok [7]
First divide the new amount (7.28) by the original amount (7) and then times by 100

7.28 / 7 x 100 = 104

This tells us that 7.28 is 104% of 7 
Minus this by 100 to get the sales tax rate:
104 - 100 = 4%


You could also subtract 7.28 by 7 first, then divide that by 7 and then multiply by 100:

7.28 - 7 = 0.28
0.28 / 7 x 100 = 4%
8 0
4 years ago
I need help with this also. (homework due tomorrow)
Alla [95]

Answer:

Using Pyhagoras theoram,

(H)^2 = (B)^2 + (P)^2

B = 13 in

P = 5 in

(h)^{2}  = (13)^{2}  +  {(5)}^{2}  \\ =  >  (h)^{2}  =  169 + 25 \\  =  > (h)^{2}  = 194 \\  =  > h =  \sqrt{194}  \\  =  > h = 13.92

Hence, the missing side is 13.92 inhes.

3 0
3 years ago
Read 2 more answers
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