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geniusboy [140]
3 years ago
10

The scale of a map is 1:1,000,000. What are the real distances between two points if the distance between them on this map is: b

0.6 cm
Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
3 0

Answer:

The real distance is 600,000\ cm  or 6\ km

Step-by-step explanation:

we know that

The scale of the map is 1:1,000,000

that means

1 cm in the map-------> represent 1,000,000 cm in the actual (real distance)

so

by proportion

\frac{1}{1,000,000}=\frac{0.6}{x}\\ \\x=0.6*1,000,000\\ \\x=600,000\ cm

Remember that

1\ km=100,000\ cm

so

600,000\ cm=6\ km

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Anna71 [15]

Answer:

36000pi

Step-by-step explanation:

V = 4/3*pi*r^3  so we need to know r

we know surface area, which is 4pi*r^2=3600pi.  so we can solve for r

r=30

so v = 4/3*pi*30^3 = 36000pi

5 0
3 years ago
Susan works as a tutor for $10 and hour, and as a waitress for $11 an hour. This month, she worked a combined total of 90 hours
uysha [10]

Answer:

\$(990-t)

Step-by-step explanation:

The correct question is

Susan works as a tutor for $10 and hour, and as a waitress for $11 an hour. This month, she worked a combined total of 90 hours at her two jobs. Let t be the number of hours Susan worked as a tutor this month. Write an expression for the combined total dollar amount she earned this month

Let

t -----> the number of hours that Susan work as a tutor

y ----> the number of hours that Susan work as a waitress

z ---> the combined total dollar amount she earned this month

we know that

t+y=90

y=90-t-----> equation A

we know that

The combined total dollar amount she earned this month is equal to the number of hours that Susan work as a tutor multiplied by $10 plus the number of hours that Susan work as a waitress multiplied by $11

z=10t+11y ----> equation B

substitute equation A in equation B

z=10t+11(90-t)

z=10t+990-11t

z=990-t

therefore

The expression for the combined total dollar amount is $(990-t)

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Answer:

Answer: x-2 and x+5 side lengths should be used to model a rectangle.

Step-by-step explanation:

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No

Step-by-step explanation:

They are not being added by the same number each time.

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