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makvit [3.9K]
3 years ago
13

What is the value of x? ​

Mathematics
1 answer:
Elan Coil [88]3 years ago
7 0

Answer:

17

Step-by-step explanation:

(6x+10)+(x+17)+(4x-34)=180(being sum of all angle of a triangle)

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Solve by using square roots. ​ 6x^2−27=39
Bingel [31]

Answer:

Simplifying

x = 11

Step-by-step explanation:

Simplifying

6x + -27 = 39

Reorder the terms:

-27 + 6x = 39

Solving

-27 + 6x = 39

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '27' to each side of the equation.

-27 + 27 + 6x = 39 + 27

Combine like terms: -27 + 27 = 0

0 + 6x = 39 + 27

6x = 39 + 27

Combine like terms: 39 + 27 = 66

6x = 66

Divide each side by '6'.

x = 11

Simplifying

x = 11

6 0
3 years ago
For the sequence 3n - 1, generate the first three terms.
Hunter-Best [27]
3n - 1

When n = 1,

3n - 1 = 3*1 - 1 = 3 -1 = 2

When n = 2,

3n - 1 = 3*2 - 1 = 6 -1 = 5

When n = 3,

3n - 1 = 3*3 - 1 = 9 -1 = 8

Hence, the first three terms are 2, 5 and 8.
5 0
3 years ago
Given the funtion f(x)=-4-x:<br> A. Evaluate: f(-2)<br> B. Solve for x when f(x) =-8
NNADVOKAT [17]


f(x)=-4-x

A. f(-2)=-4-(-2)=-4+2=-2

      <em>f(-2)=-2</em>

B. f(x)=8

-4-x=8    /+4

-x=12     /*(-1)

x=-12


3 0
3 years ago
40 + 2b3 when<br> b = 5 and c= 1.2
kramer

9514 1404 393

Answer:

  254.8

Step-by-step explanation:

Substitute the numbers where the variables are and do the arithmetic.

  4c +2b³ = 4(1.2) +2(5³) = 4.8 +250 = 254.8

__

It can also work to let a calculator or spreadsheet do the math for you, once you specify the function.

8 0
2 years ago
How long would it take for a person jog?
dsp73
This depends on a lot of factors. A persons weight, height, etc. It also depends on how many calories they want to burn or if they are just looking to run for fun. A lot of different factors play into a persons time to jog. 
8 0
3 years ago
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