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attashe74 [19]
3 years ago
8

Going as a ratio in simplest form: 500g to 2kg​

Mathematics
1 answer:
attashe74 [19]3 years ago
6 0
The answer would be 250g to 1g
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A plane left 30 minutes late than its schedule time and in order to reach the destination 1500 km away in time it had to increas
schepotkina [342]
Let x= the usual speed
1500/x would equal how long it usually took the plane to read the destination
1500/(x+100) would equal how long it would take the plane now
So\frac{1500}{x} - \frac{1500}{x+100} =  \frac{1}{2} because it would lose 30 minutes already
Simplify:
\frac{1500(x+100)-1500x}{x(x+100)} =  \frac{1}{2}
\frac{1500x+150000-1500x}{x^2+100x} = \frac{1}{2}
\frac{150000}{x^2+100x} = \frac{1}{2}
\frac{300000}{x^2+100x} =1
300000= x^{2} +100x

x^2+100x-300000=0

x^2+600x-500x-300000=0

x(x+600)-500(x+600)

(x-500)(x+600)

x=500, x \neq -600


The usual speed was 500 hm/hr

7 0
3 years ago
A=1/2h(x+y) solve for h
Sloan [31]
Umm it think it would 1/2hx and 1/2hy 
idk if im right tho 
7 0
3 years ago
A) When 3 is subtracted from a<br>number, the result is 8.​
mestny [16]

Answer:

11

Step-by-step explanation:

check:

3+8=11

11-3=8

5 0
4 years ago
Read 2 more answers
HELLLP ASAP
Kisachek [45]

Answer:

<u>1.</u> 20 boxes cost $36. The unit rate is 1:1.8 and when you multiply 1.8 by 5 you get 9. If you also multiply 1.8 by 20 you get 36.

<u>2.</u>He completes 12.5 pages in 200 minutes.

200 divided by 32

multiply that answer by 2

which is 12.5.

hope it helps!

3 0
3 years ago
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On a road trip you drove 280 miles in 4 hours. a) What is your speed in miles per hour? b) Use your equation to determine how fa
frozen [14]

Answer:

a. 70 miles per hour

b. 840 miles

Step-by-step explanation:

280/4 = 70 miles per hour

70*12 = 840 miles

5 0
3 years ago
Read 2 more answers
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