3 years ago

What is the answer to question #62?

Mathematics

2 answers:

krek1111 [17]3 years ago

4 0

Its referred to as the Great War and the War to End All Wars. So, the answer would be E.

ozzi3 years ago

3 0

D.) all of the above

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Dana has 4 hours to spend training for an upcoming race. She completes her training by running full speed the distance of the ra

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Answer:

2hrs 40 minutes

Step-by-step explanation:

The formula for distance is expressed as:

$d=st, s=speed, t=time$

#The time taken to run:

$d=st\\\\t=d/s\\\\t_r=d/8$

#The time taken to walk:

$d=st\\\\t=d/s\\\\t_w=d/2$

#Since the distances are the same:

$d_r=8t_r,d_w=2t_w\\\\8t_r=2t_w\\\\t_r+t_w=4->t_w=4-t_r\\\\\therefore8t_r=2(4-t_r)\\\\8t_r=8-2t_r\\\\t_r=1\frac{1}{3} \hrs\\\\t_w=4-1\frac{1}{3}=2\frac{2}{3}\ hrs$

Hence, Dana spends 2hrs 40 minutes walking back

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3 years ago

Zn (s) + Cu2+ (aq) → Cu (s) + Zn2+ (aq)

White raven [17]

The answer is A zinc is oxidized and copper gets reduced

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3 years ago

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2 3/4 - 3/7<br><br> 10 points

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Answer:

It only gives five points.

Step-by-step explanation:

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3 years ago

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ozzi

Answer:

X=3,1/4

Step-by-step explanation:

4x²-(12+1)x+3=0

or,4x²-12x-x+3=0

or,4x(x-3)-1(x-3)=0

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Either,4x-1=0➡️ 4x=1

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OR,x-3=0➡️ X=3

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2 years ago

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