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klasskru [66]
3 years ago
8

The number of students in a school increased by 25%between last year and this year. Last year there were 250 students in the sch

ool what is the population this year?
Mathematics
1 answer:
UkoKoshka [18]3 years ago
5 0
Population this year = 250 × 125/100= 313(approximately)
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Alexa and Rose read books that have the same number of pages. Alexa's book is divided into 8 equal chapters. Rose's book is divi
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Alexa has read 3/8 chapters, while Rose has read 3/6, or 1/2, meaning that Rose has read more pages than Alexa.
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3 years ago
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The price of a sofa was reduced from $250 to $180. By what percentage was the price
Inessa [10]

Answer:

the price was reduced by 28%

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3 years ago
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What is the value of this expression (29+18)+(17-8) / 8
Vsevolod [243]
<h3>Answer:</h3>

48 1/8

<h3>Step-by-step explanation:</h3>

As written, it is evaluated as ...

... 47 + 9/8 . . . . . . . . parentheses are evaluated first

... = 47 + 1 1/8 . . . . . . then division

... = 48 1/8 . . . . . . . . then addition

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A decent calculator will evaluate this for you according to the order of operations. A Google or Bing search box will do that, too.

7 0
3 years ago
Consider this claim: Changes in environmental conditions always result in new ecosystems and loss of biodiversity characterized
Dafna11 [192]

Answer:

If a desert became flooded, some species would immeadiately go extinct, distrupting the ecosystem, biodiversity, and the food web. This flood might cause new species to enter the ecosystem as well, through means such as rafting. Other species would be forced to adapt to the new environment, leading to adaptation and possibly speciation. For a time the ecosystem would not be very stable, but after a relatively short time, 10 or 20 years, the ecosystem could stabilize itself. So my conclusion is that ecosystems are relatively fluid, they can adapt to almost anything if they have enough time and the change in environment isn’t too drastic.

Step-by-step explanation:

4 0
3 years ago
HELP!!!!!!!!!!!!!!!!!!!!!!! :)
Anestetic [448]

Hey there!

The answers are as follows:

7.)

m∠1 = 85

m∠2 = 95

m∠3 = 85

m∠4 = 85

8.)

m∠1 = 60

m∠2 = 120

m∠3 = 60

m∠4 = 120

9.)

they all equal 90

10.) No. Parallel lines do not cross each other, but these, if extended, would cross. You could use a protractor by measuring corresponding angles, and if they aren't equal, they aren't parallel.

Have a terrifcly amazing day!

3 0
2 years ago
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