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Deffense [45]
3 years ago
10

The geographic areas of California and the U.S. are 1.637×10^5 and 3.794x10^6 sq. mi., respectively. California’s population (as

of 2012) is approximately 3.804×10^7 people. The actual population of the U.S. (as of 2012) is approximately 3.14×10^8 . How does the population density of California (i.e., the number of people per square mile) compare with the population density of the U.S.?
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
8 0

2x + 6 = 4x/2 + 12/2

To solve this, we need to transpose like terms to the same side.

2x - 4x/2 = 12/2 - 6

2x - 2x = 6 - 6

0 = 0

Since both sides are zero, it means that the equation has infinite number of solutions.

Step-by-step explanation:

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What is (f . g) (x)?
sergeinik [125]
I think you’re answer is option 1: 3x^2+5.

Explanation:

Evaluate f(x^2+2) by substituting in the value of g into f.
f(x^2+2)=3(x^2+2)-1

Then apply distributive property.
f(x^2+2)=3x^2+3•2-1

Then multiply 3 by 2.
f(x^2+2)=3x^2+6-1

Then subtract 1 from 6.
f(x^2+2)=3x^2+5
6 0
3 years ago
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Helppp me Please!! i beg
fiasKO [112]

Answer:

The  answer would be -16

Step-by-step explanation:

Add

5

8 0
3 years ago
I need help! Math question
iren2701 [21]
Again, a spreadsheet or suitable calculator makes this short work.

The sum is 184.

_____
The terms being summed are ...
  2·3² +3 = 2·9 +3 = 18 +3 = 21
  2·4² +3 = 35
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8 0
3 years ago
The Davidson Winery is noted for its Regal Champagne. It takes the blending of 1,000 bushels of a mixture of two varieties of gr
aniked [119]

Answer: 600 bushels of 10% alcohol content and 400 bushels of 15% alcohol content.

Step-by-step explanation:

Let we add x quantity of 10% of alcohol content and y quantity of 15% alcohol content for making 12% of alcohol content mixture.

Then according to the question, 10% of x + 15 % of y = 12% of 1000

⇒ 0.1x + 0.15y = 120

⇒ 10x + 15y = 1200

⇒ 2x +3y  = 2400 -------- (1)

And, x + y = 1000

⇒ 2x + 2y = 2000 ---------(2)

Equation 1) - equation 2)

We get y = 400

By putting the value of y in equation 1),

⇒2x + 1200 = 2400

⇒ 2x = 1200

⇒ x = 600

Thus, he needs to mix 600 bushel of 10% of alcohol content with 400 bushels of 12% of alcohol content for getting 1000 bushels of 12% of alcohol content.




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3 years ago
What is 80 divided by 4
xxMikexx [17]

80 divided by 4 is 20

7 0
3 years ago
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