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netineya [11]
3 years ago
14

How is 2y=x+6 obtained by y=2x and y=6-x

Mathematics
1 answer:
Dafna1 [17]3 years ago
4 0

Answer: x=2 and y= 4

Step-by-step explanation:see attachment

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It is estimated that world reserves of oil currently stand at 2625
seraphim [82]

Answer:

  35.4 years

Step-by-step explanation:

The annual consumption (in billions of units) is described by the exponential function ...

  f(t) = 45.5·1.026^t

The accumulated consumption is described by the integral ...

  \displaystyle\int_0^t{f(x)}\,dx=45.5\int_0^t{1.026^x}\,dx=45.5\left(\dfrac{1.026^t-1}{\ln{1.026}}\right)

We want to find t such that the value of this integral is 2625, the estimated oil reserves.

  2625 = 45.5/ln(1.026)·(1.026^t -1)

  2625·ln(1.026)/45.5 +1 = 1.026^t ≈ 1.480832 +1 = 1.026^t

Taking natural logs, we have ...

  ln(2.480832) = t·ln(1.026)

  t ≈ ln(2.480832)/ln(1.026) ≈ 35.398

After about 35.4 years, the oil reserves will run out.

4 0
2 years ago
I need help with this
12345 [234]
Are you solving for x and y? 5y + 2(6x) would just be 5y + 12x
6 0
3 years ago
Find the volume of the bag and candle.Round to the nearest tenth
user100 [1]
The volume of the bag will be found by multiplying the length times the width times the height. This would be 5.5 x 3 x 8. The volume of the bag is 20.9 cubic inches. The volume of the candle would be found by using the formula for finding volume of a cylinder. V =pi(approximately 3.14) x r^2 x h, where r is the radius( half the diameter) and h is the height. V = 3.14 x 1.25 x 1.25 x 6. The volume of the cylinder would be 29.4 cubic inches.
5 0
3 years ago
Using the 4 train car strategy for factoring polynomials, what is the green common factor for the 1st two train cars and the gre
koban [17]

The completely factored expression of 2x^2 + 4x + 3xy + 6y is (2x + 3y)(x + 2)

<h3>How to factor the polynomial?</h3>

The expression is given as:

2x^2 + 4x + 3xy + 6y

Group the expression into two

[2x^2 + 4x] + [3xy + 6y]

Factor out each group

2x(x + 2) + 3y(x + 2)

Factor out x + 2

(2x + 3y)(x + 2)

Hence, the completely factored expression of 2x^2 + 4x + 3xy + 6y is (2x + 3y)(x + 2)

Read more about factored expression at:

brainly.com/question/723406

#SPJ1

7 0
2 years ago
Which of the binomials below is a factor of this trinomial ? <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B5x%2B6" id="TexF
PIT_PIT [208]

MARK "BRAINLIEST" FOR MORE HELPFUL CONTENT!

A. x + 3

MARK "BRAINLIEST" FOR MORE HELPFUL CONTENT!

EXPLANATION:

x^{2} +5x+6\\ = (x+2) * (x + 3)

MARK "BRAINLIEST" FOR MORE HELPFUL CONTENT!

Therefore:

The correct answer: A. x + 3.

MARK "BRAINLIEST" FOR MORE HELPFUL CONTENT!

7 0
2 years ago
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