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Tatiana [17]
3 years ago
7

Hi again for the millionth time, please help on this, Select each correct answer.

Mathematics
2 answers:
marysya [2.9K]3 years ago
5 0

Answer:

a

Step-by-step explanation:

ikadub [295]3 years ago
4 0

Answer:

19.46

maybe 19.91 too

hope it helps luv

goodluck

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The population of a city in the year 2000 was 4,400. In 2010, the population was 5,060. Find the percent increase in the populat
larisa86 [58]

Answer:

total population in the year 2000=4400

total population in the year 2010=5060

no of people increased=5060-4400

=660

increase percent=660/4400*100%

=3/20*100%

=15%

Step-by-step explanation:

15/100*5060

0.15*5060

759

in 2020 population will be

5060+759

5819

therefore the population will be 5819 in 2020

6 0
3 years ago
Read 2 more answers
Multiply and solve for x: x(x + 12) – 8x = 14 + x(x – 4)
erik [133]
Using the distribution method:

x^2 + 12x - 8x = 14 + x^2 - 4x

x^2 + 4x = x^2 - 4x + 14

Now, I'm isolating x by moving all the x's onto one side of the equation:

x^2 - x^2 + 4x + 4x = 14

Combine like terms (x^2 cancels out):

8x = 14

x = 14/8

Simplified: x = 7/4
6 0
3 years ago
Sydney took a taxi from her house to the airport. The taxi company charged a pick-up fee of $1.60 plus $1.75 per mile. The total
Firdavs [7]

The number of miles in the taxi ride is 6.22 miles.

It is required to find the number of miles in the taxi ride.

<h3>What is arithmetic?</h3>

The branch of mathematics dealing with the properties and manipulation of numbers. a science that deals with the addition, subtraction, multiplication, and division of numbers. Fractions, decimals, percentages, fractions, square root, exponents, and other arithmetic operations are used to achieve mathematical simplifications.

Given that:

The taxi company charged a pick-up fee of $1.60 for half distance.

The taxi company charged a pick-up fee of $1.75 for  another half distance.

The total fare was $20.85.

Let x be the number of miles in the taxi ride.

So, the equation will be,

$1.60x+$1.75x= $20.85.

3.35x=20.85

x=20.85/3.35

x=6.22 miles.

Hence, the number of miles in the taxi ride is 6.22 miles.

Learn more about arithmetic here:

brainly.com/question/11559160

#SPJ1

6 0
2 years ago
If s(x)=2-x^2 and t(x)=3x, which value is equivalent to (s*t)(-7)?
andreyandreev [35.5K]

Answer:

(s*t)(-7) = 987

Step-by-step explanation:

s(x) = 2 - x²

t(x) = 3x

To find (s*t)(x), multiply s(x) and t(x).

(s*t)(x) = (2 - x²)(3x)

(s*t)(x) = 6x - 3x³

Now that you have (s*t)(x), plug -7 in.

(s*t)(-7) = 6(-7) - 3(-7)³

(s*t)(-7) = 6(-7) - 3(-343)

(s*t)(-7) = -42 + 1029

(s*t)(-7) = 987

5 0
4 years ago
Here is a sales tax of $9 on an item that costs $120 before tax. the sales tax on a second item is $19.05. how much does the sec
Annette [7]
% of sales tax = 9/120 x 100 = 900/120 = 7.5%

Let the cost of the second item be x, then 7.5/100 x = 19.05
0.075x = 19.05
x = 19.05/0.075 = 254.

Therefore, the cost f the second item is $254
6 0
3 years ago
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