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Sholpan [36]
3 years ago
9

Earth has 24 time zones spread over its 360º circumference. Each time zone is 15º wide. Boston is close to longitude 71º W; Hono

lulu is close to longitude 158º W.
How many time zones apart are Boston and Honolulu?
A. They are 6 time zones apart because ≈ 6.
B. They are 5 time zones apart because ≈ 5.
C. They are 4 time zones apart because ≈ 4.
D. They are 2 time zones apart because ≈ 2.
Mathematics
1 answer:
sasho [114]3 years ago
5 0
C is the answer.. hope this helps
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An earth satellite remains in orbit at a distance of 11550 km from the center of the earth. what speed would it have to maintain
marishachu [46]
<span>11,550 km has to be changed to 11,550,000 meters

G · m · t² = 4 · π² · r³  we can change that to
</span>t² = (4 · π² · r³) / <span>(G · m )
t^2 = 4*PI^2*r^3 / (G*m)
</span>t^2 = 4*PI^2*<span>(11,550,000)^3 / 6.67*10^-11*5.98*10^24kg
t^2 = </span> <span> <span> <span> 6.083*10^22 </span> </span> </span> <span><span> </span> </span> / <span> <span> <span> 3.9</span></span></span>9 * 10^14
t^2 =  <span> <span> <span> 152,500,000</span></span></span>
t = <span>12,350 seconds
</span>and its orbital distance it travels is 11,550 * 2*PI = 70,050 kilometers

Therefore, it is traveling at 70,050 km / 12,350 second which equals
5.67 km per second which  <em>is 5,670 meters per second.</em>


Source:
http://www.1728.org/kepler3a.htm



4 0
4 years ago
Sam opened a money-market account that pays 2% simple interest. He started the account with $7,000 and made no further deposits.
Pavlova-9 [17]
3 years
ar(n)=total a is the first number which is 7000 r is the common ratio which is 100%+2%=102 102 divided by 100 giving u 1.02(interest) so ar(n)=sum n is written as power.....and is the number of years so 7000*1.02(n)=(7000+420) 1.02(n)=7420/7000 1.02(n)=1.06 log10 1.02(n)=log10(1.06) ( multiply log10 with both) n=log10(1.06)/log10 (1.02) u get 2.94 which is round off to 3 so 3 years.. hope This helps :)
8 0
3 years ago
Paige paid $38.99 for 7 ounces of Hawaiian coffee. What did she pay per ounce? Round to the nearest cent. A. $2.44 per ounce B.
Debora [2.8K]
Its 5.57 hope this helped you :)
7 0
4 years ago
Read 2 more answers
What is 5x+ (2 + x).<br><br> A .8x<br> B. 6x + 2<br> C. 7x<br> D. 5x + 2
vovikov84 [41]
The answer would be B) 6x + 2.

5x + 2 + x (simplify)

(5x + x) + 2 (gather like terms)

6x + 2 (simplify).
3 0
3 years ago
1.5r-3r+8r+2.5r=<br> please show me what the equation is in simplest form thanks
sladkih [1.3K]

Answer:

12.5r

Step-by-step explanation:

You just add all the numbers together and then add the r at the end it’s pretty easy when you know that

7 0
4 years ago
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