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2 years ago

Introduction to Functions

Mathematics

1 answer:

yawa3891 [41]2 years ago

4 0

Answer: 2.58

Step-by-step explanation:

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solong [7]

1)64

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3)4³

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3 years ago

The population of a city has decreased by 38% since it was last measured. If the current population is 27,900, what what the pre

Varvara68 [4.7K]

Answer:

The population of a city has decreased by 38% since it was last measured. If the current population is 27,900 .Previous population of city was 45000.

Solution:

Given that current population of city is 27900.

Also, population of a city has decreased by 38% since it was last measured.

Let assume that population of city when it was last measured = x

Decreased of 38% means x-38% of x . we can write this as,

$=x-\frac{38}{100} \times x$

$=\frac{100 x-38 x}{100}$

$=\frac{62 x}{100}=\frac{31 x}{50}$

So current population is $\frac{31 x}{50}$

Equating above expression to the given value of current population, we get

$\frac{31 x}{50}=27900$

$x=\frac{27900 \times 50}{31}$

x=45000

Hence previous population of city was 45000.

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3 years ago

What is the answer to 1. b+4=2b-5 2. -6-29=5x-7 3. 10h+12=8h+4 4. 7a-17=4a+1

RoseWind [281]

Answer:

b=9

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Step-by-step explanation:

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2 years ago

Find the measure of the missing angle Help please

almond37 [142]

Answer:

≈ 56°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin ? = $\frac{opposite}{hypotenuse}$ = $\frac{34}{41}$ , then

? = $sin^{-1}$ ( $\frac{34}{41}$ ) ≈ 56° ( to the nearest degree )

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Step-by-step explanation:

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2 years ago

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