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sergey [27]
3 years ago
8

Simplify the following expression 3x+1+5x+2

Mathematics
2 answers:
Goshia [24]3 years ago
6 0

Answer:

Step-by-step explanation:

3x + 1 + 5x + 2 = 3x + 5x + 1 + 2

                       = 8x + 3

add the like terms. Here like term are 3x and 5x ie have same variable

dangina [55]3 years ago
5 0

Answer:

8x + 3

Step-by-step explanation:

So 3x and 5x are like terms so adding them together will make it 8x.

Then 1 and 2 and like terms and 1 plus two is 3.

Hence, the answer is 8x + 3.

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Which of the following ordered pairs represents an output of 5 and an input of -8?
m_a_m_a [10]

Answer:

(-8,5)

Step-by-step explanation:

The output corresponds to the y-value of an ordered pair while the input corresponds to the x-value of an order pair.

An ordered pair is written like this (x,y)

6 0
3 years ago
If a day was a year, how many does it take to make a million years?
Tasya [4]
It would take 2,740 days to make a million years.

1,000,000 divided by 365.
6 0
3 years ago
Read 2 more answers
Solve the following for x
levacccp [35]

Answer:

x = 9

Step-by-step explanation:

50+80+(6x-4)=180 (ANGLE SUM PROPERTY)

130 +(6x-4)=180

6x-4=180-130

6x-4=50

6x=50+4

x=54/6

x = 9

4 0
3 years ago
HELPPPP
fredd [130]

Not sure if this is correct but:

Step-by-step explanation: P = 2000

                                             R = 5% = 0.05

                                             n = 4

                                      y = 2000 ( 1 + \frac{0.05}{4}) ^{4t} = 2000 ( 1.0125 )

                                       Substitute values in the compound interest formula:

                                        y = P ( 1 + \frac{r}{n})^{nt} .

Hope this helps..                  

6 0
3 years ago
Prove that \displaystyle \frac{\cos \theta}{1 + \sin \theta} = \frac{1 - \sin \theta}{\cos \theta}
Bogdan [553]

Answer:

sin^2(θ)+cos^2(θ)=1

Step-by-step explanation:

We know that the statement above is true because of the Pythagorean identity theorem, which states the aforementioned equation. If you solve the equation for 1 you get the same equation.

To do this first multiply both sides by cos(θ), this gives you (cos^2θ)/1+sinθ = 1-sinθ

Then, multiply both sides by sinθ. This equals cos^θ=1-sin^2θ.

Finally, add sin^2θ to both sides. This equals the final answer of cos^2θ+sin^2θ=1. Which is true.

7 0
2 years ago
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