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baherus [9]
2 years ago
7

Students are planting a flower bed for science class. The flower bed can be 4.5 ft wide and will be divided into 2 sections for

roses and irises. The iris section will be 3 ft long and it has not yet been determined how long the rose section will be. a) A student in the class claims that the area of the flower bed could be written as 4.5( + 3). Write an equivalent form of this expression. b) How do you know the two expressions are equivalent?
Mathematics
1 answer:
aksik [14]2 years ago
7 0

Answer:

3(4.5)  Because they equal the same thing

Step-by-step explanation:

4.5(+3)=13.5

3(4.5)=13.5

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If 30 buses can carry 1,500 people, how many people can 5 buses carry? A 200 © 500 B 250 D 750​
maksim [4K]

Answer:

\boxed {\boxed {\sf 250 \ people}}

Step-by-step explanation:

Let's set up a proportion using the following setup.

\frac {buses}{people}=\frac {buses}{people}

We know 30 buses can carry 1,500 people.

\frac {30 \ buses}{1500 \ people}=\frac {buses}{people}

We don't know how many people 5 buses can carry, so we say 5 buses carry x people.

\frac {30 \ buses}{1500 \ people}=\frac {5 \ buses}{x \ people}

\frac {30 }{1500 }=\frac {5 }{x }

Cross multiply. Multiply the numerator of the first fraction by the second fraction's denominator. Then, multiply the first denominator by the second numerator.

30*x=1500*5\\30x=7500

Solve for x. It is being multiplied by 30. The inverse of multiplication is division. Divide both sides by 30.

30x/30=7500\\x=250

5 buses can carry 250 people.

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The probability that a comic book reader in a particular city prefers comics published by Company A is 25%. The probability that
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