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ratelena [41]
3 years ago
15

$642.48 rounded to the nearest dollar is _____.

Mathematics
2 answers:
babymother [125]3 years ago
7 0

Answer:

$642.48

Step-by-step explanation:

wolverine [178]3 years ago
4 0

Answer:

$642

Step-by-step explanation:

5 and up rounds up. 4 and under does not.

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If the simple interest on ​$7000 for 3 years is ​$1890​, then what is the interest​ rate?
hoa [83]

Answer:

0.09 or 9%

Step-by-step explanation:

I = Prt

Given:

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r = I/(Pt)

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4 0
2 years ago
Now see if you can solve these word problems about time and distance.
ladessa [460]

Answer:

3.5 hours

Step-by-step explanation:

Ediburgh -------------------------------350 miles-------------------------London

Let the distance traveled by train from Edin to London be "x"

hence the distance traveled by train from London to Edin would be "350-x"

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Let the time they meet be"t"

Now, we know distance formula to be D = RT

Where

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R is rate

and

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<u>Train from London to Edin:</u>

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Solving for x:

350 - 40t = x

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350 = 100t

t = 350/100

t = 3.5

They meet after 3.5 hours

4 0
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Answer:

Step-by-step explanation:

The diameter of a circle is twice the radius, so the statement is false.

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