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goldfiish [28.3K]

2 years ago

12

A number is increased by 25% and the resulting number is then decreased by 20%. The final number is what percent of the original

number?

1 answer:

otez555 [7]2 years ago

6 0

5%. because if u subtract 25 by 5 u get 20. the final number is 5. thus 5%.
hope this helps

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A train makes a trip at 65 mi/h. A plane traveling 130 mi/h makes the same trip in 3 fewer hours. Write and solve an equation to

bulgar [2K]

time= distance/speed

take distance as d. take time as t.

the time taken: d/ 65 for the train however it is the same distance for d/130 so we can say (d/65)-3 = d/130

now solve the equation, multiply both sides by 130
2d-390=d
2d-d=390
so d=390 mi

7 0

3 years ago

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A zoo has 151515 Emperor penguins. The Emperor penguins make up 30%, percent of all the penguins at the zoo.

Orlov [11]

30% of 151515 would be 45454.5 Emperor Penguins<span />

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2 years ago

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as internet usage grows in a particular country, more and more of its regional governments are placing services online. thirty f

Svetradugi [14.3K]

16 regions do not have this type of website . And , $\frac{8}{25}$ fraction of regions do not have this type of website .

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

Here we have , as internet usage grows in a particular country, more and more of its regional governments are placing services online. thirty four out of the fifty regions have web sites that allows residents to file their residents to file their regional income tax online. We need to find how many regions do not have this type of website. what fraction of regions do not have this type of website .Let's find out:

It's given that , thirty four out of the fifty regions have web sites , region which don't have :

⇒ $50-34$

⇒ $16$

So, 16 region don't have this type of website!

Fraction of region that don't have this type of website is :

⇒ $\frac{16}{50}$

⇒ $\frac{8(2)}{25(2)}$

⇒ $\frac{8}{25}$

Therefore , 16 regions do not have this type of website . And , $\frac{8}{25}$ fraction of regions do not have this type of website .

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3 years ago

What are the dimensions for this triangle?

REY [17]

Answer:

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Step-by-step explanation:

Parallel sides of rectangles are congruent, and because the other side of both rectangles is 2, the sides of the triangle are 2 because they share the side with the rectangle.

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3 years ago

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velikii [3]

the first 4 would be rounded up tot he nearest dollar and the last one rounded down to the nearest dollar

doing that I estimate $23.00

Answer is C

7 0

2 years ago