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Pavel [41]
3 years ago
13

Haleys comet visits the inner solar system and is visible from earth roughly once 76 years Chinese astronomers recorded the earl

iest surviving documents of its appearance in 240 BC . Western astronomers began consistently recording the comets appearance when Haley appeared in 1378 how many times is Haley comet expected to be visible from earth between 1317 and 2317 inclusive ?
Mathematics
1 answer:
Naddika [18.5K]3 years ago
7 0
Idk ask mark Twain he knows he pridicted his death
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9/11 = ?/22<br> a. 12<br> b. 9<br> c. 4<br> d. 18
svlad2 [7]
18/22 = 2*9/2*11 = 9/11

Therefore, your answer is 18
7 0
3 years ago
workers on the simile line produce 4 x + 6 bolts each day which expression shows how many books they produced in 12 days
kakasveta [241]
4x+6 is produced each day.
So in 12 days the expression is 12(4x+6)
Solve and you get 48x+72.
7 0
3 years ago
Factorise this : 2p²-p-10
gizmo_the_mogwai [7]

Answer:

Step-by-step explanation:

p(2p-1)-10

8 0
3 years ago
Nicole and adam are each saving money for a car. the total amount of money nicole will save is represented by the function f (x)
Yakvenalex [24]
For this case we have the following functions:
 f (x) = 36 + 4x
 g (x) = x2 + 15
 By matching both functions we have:
 f (x) = g (x)
 36 + 4x = x2 + 15
 Rewriting we have:
 x2 + 15 - 4x - 36 = 0
 x2 - 4x - 21 = 0
 Solving the polynomial we have:
 (x-7) (x + 3) = 0
 x = -3
 x = 7
 Taking the positive root we have:
 x = 7
 Answer:
 
They will have the same amount of money saved after:
 
x = 7 weeks
8 0
3 years ago
Read 2 more answers
Sam is an apprentice carpenter whose boss asked him to construct a perfectly rectangular frame with a diagonal brace. When Sam h
zalisa [80]
If it's a perfectly rectangle frame with W = 50 cm & L= 90 cm

So the right diagonal should be √(50² +90²) = √10600 =102.96 cm

as per the calculation the diagonal should have a length of 102.96 cm, but the boss found 100 cm, that means their should be a frame which diagonal equal to 100 cm, short by 2.96 cm, that means short by 2.96/2 = 1.48 cm from the bottom & 1.48 cm from the top (same as well as for the 2nd diagonal)
In this case the boss should be happy

3 0
3 years ago
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