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If the population of a certain city increased 25% in two years, the new population was what percent of the old?

disa [49]

Answer:

125%

Step-by-step explanation:

This because if in origin the city was made up for example by 100,000 people, that was the 100% of the city. Now you add the 25% in two years and the city will be made by 125,000 people. So 100%+25%=125%. 

I think it's right

7 0

3 years ago

If (-1, y) lies on the graph of y=2^2x then y=

zubka84 [21]

Answer:

y is 1/4 when x is -1 if I did interpret your equation right. Please see that I did.

I believe the equation to be $y=2^{2x}$ . If you meant $y=2^2x$ , please let me know.

Thanks kindly.

Step-by-step explanation:

If (-1,y) lies on the graph of $y=2^{2x}$ , then by substitution we have:

$y=2^{2\cdot -1}$ .

We just need to simplify to determine y:

$y=2^{2 \cdot -1}$

Multiply the 2 and -1:

$y=2^{-2}$

Use reciprocal rule for exponents to get rid of the negative:

$y=\frac{1}{2^2}$

$2^2$ just means $2(2)$ :

$y=\frac{1}{2(2)}$

$y=\frac{1}{4}$ .

8 0

2 years ago

I got ace in a week i felt so happy i wanna give someone branliest 2+2

aleksandr82 [10.1K]

Answer:

4

Step-by-step explanation:

2 plus 2 equals 4 lmk if you need more help

7 0

2 years ago

A sequence is a function whose domain is the set of __numbers.

MariettaO [177]

Answer - natural

A sequence is a function whose domain is the set of natural numbers.

5 0

3 years ago

What does X equal when the square root of six equals three times X

Alekssandra [29.7K]

Answer:

0.81649658092

Step-by-step explanation:

The square root of 6 equals 2.44948974278. Divide that by 3, and you are given 0.81649658092.

8 0

3 years ago

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