3 years ago

Which statement accurately describes the reactants of a reaction?

Mathematics

1 answer:

poizon [28]3 years ago

5 0

Answer:

substances that are used up in a reaction

Step-by-step explanation:

sorry this is so late

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german

Answer:

it would be B.

Step-by-step explanation:

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3 years ago

At noon joyce drove to the lake at 30 mph, but she made the long walk back home at 4 mph. how many hours did she walk if she was

lina2011 [118]

By definition we have the following equation:
t = d / v
Where,
t: time
d: distance
v: speed
For this case we have:
d / 30 + d / 4 = 17
Rewriting we have:
2d + 15d = 17 (60)
17d = 17 (60)
d = 60 mi
Then, the walking time is
t = d / v
t = 60/4
t = 15 hours
Answer:
She walked
t = 15 hours

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3 years ago

Jose left the White House and drove toward the recycling plant at an average speed of 40 km/h. Rob left some time later driving

Aleks04 [339]

Let $x$ represent Jose's drived distance and $y$ represent Rob's.
So what you need to do is to solve the equation:
$40x=48*5$
$40x=240$
$x=240/40=6$

So Jose drove for 6 hours before Rob caught him.

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3 years ago

Frank has x baseball cards in his collection. He gets 45 more for his birthday. Write an expression to show the number of baseba

jasenka [17]

Answer:

Frank has X+45 baseball cards

Step-by-step explanation:

You just add 45 new baseball cards to the ones he had before which is X

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3 years ago

Read 2 more answers

Find the sum of -75 and 105