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3 years ago

Students are auditioning for a school play. Only 18 of the 45 students

Mathematics

2 answers:

Svetllana [295]3 years ago

8 0

40%. 18/40=0.4 and then that converted to a percentage is 40%

o-na [289]3 years ago

6 0

It should be 40%, you convert 18/45 to a decimal then multiply by 100

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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.

7 0

3 years ago

Use the digits 5,4 and 8 once each to write an odd number greater than seven hundred

natali 33 [55]

845 because 800 is greater than 700 and 845 is an odd number because it ends in 5 (which is an odd number).

4 0

3 years ago

Show answer in lowest terms. 25/75+ 25/125=

Anit [1.1K]

Hi Jujub! To find the answer in lowest terms, first you have to find the lowest common denominator. To find this, find the lowest common multiple of 75 and 125, which is 375. Now, to make the common denominator, you have to make equivalent fractions. 375 ÷ 75 = 5, and 5 × 25 = 125. So the new fraction is 125/375. Now the same thing for 25/125. 375 ÷ 125 = 3, and 3 × 25 is 75. So the new fraction is 75/375. Now add the new fractions:
125/375 + 75/375 = 200/375

This answer can be simplified to 8/15.

5 0

3 years ago

PLEASE HELP

Readme [11.4K]

Answer:

x=5

Step-by-step explanation:

5 0

3 years ago

If b = 3, then 3x + y = 1 and bx - y = 3 are parallel.<br> True or <br> False ...?

Ulleksa [173]

I am absolutely sure that the task <span> b = 3, then 3x + y = 1 and bx - y = 3 is NOT parallel, which means that the statement represented above is FALSE.
To make sure you can check it using : </span> $y=-3x+1

y=3x-3$ Hope now it's obvious. Regards!

4 0

3 years ago