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Crank
3 years ago
9

The hyperloop would be able to travel 1,050 miles in 1 1/2 hours. how long would it take the acela train to travel that far?

Mathematics
1 answer:
meriva3 years ago
3 0
D uv a g r I dr name dud d dnwkdjwlqgd
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If you multiply the four-digit number abcd by 4, the order of digits will be reversed. That is, abcd x 4=dcba. The digits a, b,
Arisa [49]
The given is that A B C D <span>x 4 = D C B A
</span><span>
Possible values of A are 1 or 2. It can't be 1 since the </span><span> </span><span>final result A is in unit place and 1 is not possible when we multiply any number by 4
</span><span>
2 B C D x </span><span>4 = </span><span>D C B 2</span>
It is clear above, that D = 8
2 B C 8 x <span>4 = </span><span>8 C B 2</span>
Possible values of B should be 1 or 2
We try B=1

2 1 C 8 x <span>4 = </span><span>8 C 1 2

</span>To find for C, you can use the equation:

(2000+100+10C+8) x 4 = 8000+100C+10+240C = 432-12 = 420
Therefore,

C = 7
So, the number is 2178.
5 0
3 years ago
Read 2 more answers
Two stores are having a sale on T-shirts.Rose spends $63 for three T-shirts from store A and one from store B. Manny spends $140
Digiron [165]
Let a and b be store A and store B, respectively. Then:
3a+b=63
5a+4b=140
So
12a+4b=252
5a+4b=140
7a=112
a=16
b=15
☺☺☺☺
7 0
3 years ago
Answers for these? Having trouble getting the concept so a step by step would be awesome.
jolli1 [7]

Answer: 2222

Step-by-step explanation: 2000+200+20+2 = 2222

6 0
3 years ago
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Is this table proportional or non-proportional?
tatyana61 [14]

Answer:

in my opinon, this table is proportional

5 0
3 years ago
Solve w2 =64 where w is a real number
Deffense [45]

Answer:

w=32

Step-by-step explanation:

32*2=64

5 0
3 years ago
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