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Ksju [112]
3 years ago
14

Who discovered that the earth took 365 days to move around the sun

Mathematics
1 answer:
Softa [21]3 years ago
5 0
The fact that it takes Earth 365 days to move year in and year out has been known for many centuries. Even before heliocentric and geocentric models were introduced, people were already familiar with the 365 day period. Perhaps Galileo would be the answer, but hasn't been truly defined as to who first observed this.
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What is the product of this binomial (2x + 4y)(x + 2y)
Anon25 [30]
2x^2+8xy+8y^2
2(x^2+4xy+4y^2)
4 0
2 years ago
I need the steps for 38
jasenka [17]
Ok so first, you put the sides into a ratio. The question says that triangle GKNM is congruent to triangle VRPT. From this, we know that side GK is congruent to VR. So, we write that as a ratio. Also, we know that KN is congruent to RP. We also write that as a ratio. Then, using equations, we solve for x. But, we aren't done yet; the expression for side KN is 3x-2 and, we already know that x is equal to 4.4
So, we do 3*4.4-2 which is 11.2. Therefore, side KN is equal to 11./2Then, the expression for side RP is x+4. We already know that x is equal to 4.4. So, we do 4.4+4 which is 8.4. Therefore, side RP is equal to 8.4.
Oh, and the scale factor is 4:3 or 1.33 because you do 8.4/6.3 ( you can also do 11.2/8.4)
hope this helps ;)

8 0
3 years ago
Round 4/7 to the nearest tenth.
Novosadov [1.4K]

Answer:

0.6

Step-by-step explanation:

4/7 can be considered a suspended division problem.  To find the answer, 4 must be divided by 7.  This yields the result 0.57142, which can be rounded to 0.6.

3 0
3 years ago
Simplify: 4.1c-(3.2c)-0.1c
OverLord2011 [107]

Answer:

0.8c

Step-by-step explanation:

4 0
3 years ago
WILL GIVE BRAINLIEST!!!!
olga2289 [7]
Answer: A
Explanation: It’s A because 28,500 - 23,700 = 4,800. 4,800 / 3 = 1,600. 23,700 - 4,800 = 18,900 - 1,600 = $17,300. Hope this helps :)
4 0
2 years ago
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