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erica [24]
4 years ago
14

What is (x+5)+2x^2=2x+1

Mathematics
2 answers:
andrew-mc [135]4 years ago
5 0

Answer:

Step-by-step explanation:

Area of Square = (x+5)²= x² + 10x + 25

Area of rectangle = 2x  * x  = 2x²

area of rectangle + 1 = Area of square

 2x² + 1 = x² + 10x +25

2x² + 1 - x² - 10x - 25 = 0

x²  - 10x - 24 = 0

(x - 12) (x + 2) = 0

x - 12 = 0   ;   Ignore x + 2  because length wont come in negative

x = 12

xz_007 [3.2K]4 years ago
4 0

Answer:

No real solutions.

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2x^2+x+5=2x+1

Step 2: Subtract 2x+1 from both sides.

2x^2+x+5−(2x+1)=2x+1−(2x+1)

2x^2−x+4=0

Step 3: Use quadratic formula with a=2, b=-1, c=4.

x= −b±√b2−4ac/2a

x= −(−1)±√(−1)^2−4(2)(4)/2(2)

x= 1±√−31/4

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5.12 rounded to the nearest whole million
guajiro [1.7K]

<em>Greetings!</em>

In order to round to the nearest million, we will have to move the decimal 5 places to the left.

0.0000512 will be your answer.

<em>Hope this helps!</em>

~Fluerie

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Gregory drinks 6 liters of water over 2 days. And how many days would he consume another 12 liters?
Mashutka [201]
4 days because he drinks 6 in two and 12 in 4 days.
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4 years ago
The population of a town in 2020 is 40% less than it was in 1980. Find the population in 1980 if it is 49,992 in 2020.
NNADVOKAT [17]

The population of the town in 1982 is 29995.2.

<h3>What is a percentage?</h3>

A ratio or value that may be stated as a fraction of 100 is called a percentage. And it is represented by the symbol '%'.

Given, the population in 2020 is 49992.

40 percentage of population

= 40 % of 49992

= 40 x 49992/100

= 19996.8

Now the population in 1982

= population in 2020 - 40% of population in 1982

= 49992 - 19996.8

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Therefore the population in 1982 is 29995.2.

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2 years ago
Shelley wants to purchase a cell phone package, which includes a free phone. The cost of the package is $0.10 per minute, for th
GarryVolchara [31]

Answer:

The function would be linear because the rate of change is constant.

Step-by-step explanation:

Given

Base= \$89.00

Rate = \$0.10 per minute

See attachment for complete question and options

First, we write the function that calculates the cost (C(t)) for t minutes.

This is calculated as:

Cost = Base + Rate * t

C(t) = 89.00 + 0.10 * t

C(t) = 89.00 + 0.10t

Rewrite as:

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A function that has the above format is referred to as a linear function which has the general format

f(x) = mx + b

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