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AleksandrR [38]
3 years ago
14

An equation is shown -4/5 (9x-20)-3x 4/5 x -6

Mathematics
1 answer:
Amanda [17]3 years ago
5 0

Answer: x=2

Step-by-step explanation:

if u plug in the value of x=2 into the equation both sides equal -22/5

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What number can you add to π to get a rational number?<br>PLEASE HELP thank you :P
Kryger [21]

Solution:

As we know π is an irrational number.The value of π is non terminating non repeating.

As we all know , π =\frac{\text{Circumference of circle}}{\text{Diameter}},

The fact is still we are getting an irrational number.

As , 0 is a rational number.

So, The number which when added to π, to get a rational number is (-π).

Answer → π + (-π) = 0, i.e (-π) is that number.

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What is (f + g)(x)? <br><br> f(x)=x^3−x<br><br> g(x)=x^3+2x^2−10
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Whats the solution of <br> y = x +2 <br> 2x - 5y = 2
aleksandr82 [10.1K]

Answer:

x = -4, y = -2

Step-by-step explanation:

substitute for y

2x - 5(x + 2) = 2

distribute -5

2x -5x - 10 = 2

solve

-3x - 10 = 2

add 10 on both sides

-3x = 12

divide by -3

x = -4

now substitute for x in the equation y = x + 2

y = -4 + 2

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7 0
2 years ago
The first term of an arithmetic sequence is equal to four and the common difference is three. find the formula for the value of
hichkok12 [17]

The formula for the value of nth term is a_{n} = 3n + 1

Step-by-step explanation:

The formula of the nth term in the arithmetic sequence is

a_{n}=a+(n-1)d , where

  • a is the first term of the sequence
  • d is the common difference between each two consecutive terms

∵ The first term of an arithmetic sequence is equal to four

∴ a = 4

∵ The common difference is equal to three

∴ d = 3

- Substitute these values in the rule of the nth term

∵ a_{n}=a+(n-1)d

∴ a_{n}=4+(n-1)3

- Simplify it

∴ a_{n}=4+3n-3

∴ a_{n}=1+3n

The formula for the value of nth term is a_{n} = 3n + 1

Learn more:

You can learn more about the sequence in brainly.com/question/7221312

#LearnwithBrainly

7 0
3 years ago
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