1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Phoenix [80]
3 years ago
7

Find the value of x

Mathematics
1 answer:
FrozenT [24]3 years ago
5 0
Sum of interior angles = 180(n - 2)
in this case n = 5 so 180(5-2) = 180(3) = 540

120 + 120 + x + x + x = 540
3x + 240 = 540
3x = 300
  x = 100

answer
B) 100
You might be interested in
. The estimate regression equation for a model involving two independent variables and 10 observations follows.y = 29.1270 + 0.5
beks73 [17]

Answer:

b) y = 289.815 when x_1 = 180 \text{ and } x_2 = 310

Step-by-step explanation:

We are given the following information in the question:

y = 29.1270 + 0.5906x_1 + 0.4980x_2

where y is the dependent variable,

x_1, x_2 are the independent variable.

The multiple regression equation is of the form:

y = b_0 + b_1x_1 + b_2x_2

where,

b_0: is the intercept of the equation and is the value of dependent variable when all the independent variable are zero.

b_1: It is the slope coefficient of the independent variable x_1.

b_2: It is the slope coefficient of the independent variable x_2.

  • The regression coefficient in multiple regression is the slope of the linear relationship between the dependent and the part of a predictor variable that is independent of all other predictor variables.

Comparing the equations, we get:

b_1 = 0.5906\\b_2 = 0.4980

  • This means holding x_2 constant, a change of one in x_1 is associated with a change of 0.5906 in the dependent variable.
  • This means holding x_1 constant, a change of 1 in x_2 is associated with a change of 0.4980 in the dependent variable.

b) We have to estimate the value of y

y = 29.1270 + 0.5906(180) + 0.4980(310) = 289.815

3 0
3 years ago
27x+3=6 what does x equal
Digiron [165]

Answer:

1/9

Step-by-step explanation:

27x+3 = 6

-3 -3

27x = 3

/27 /27

× = 3/27 = 1/9

8 0
3 years ago
Read 2 more answers
Pls help will mark brainliest
tamaranim1 [39]

The bottom line in the red triangle is 3 units long.

The top line of the blue triangle is 6 units long.

Divide the larger by the smaller to get the scale factor: 6 / 3 =2

The scale factor is 2

7 0
3 years ago
Read 2 more answers
If f(1) = 2 – 2 anid 9(37)<br> and g(x) = x2 – 9, what is the domain of g(x) = f(x)?
lana66690 [7]

Answer:

B

Step-by-step explanation:

Let divide g(x) by f(x)

\frac{ {x}^{2} - 9 }{2 - x {}^{ \frac{1}{2} } }

The domain of a rational function cannot equal zero so let set the bottom function to zero.

2 - x {}^{ \frac{1}{2} }  = 0

x  {}^{ \frac{1}{2} }  = 2

Square both sides

x = 4

Also we can simplify the bottom denomiator into a square root function

2 -  \sqrt{x}

The domain of a square root function is all real number greater than or equal to zero because a square root of a negative number isn't graphable.

So we must find a answer that

  • Disincludes 4 from the interval
  • Doesnt range in the negative number or infinity)
  • Range out in positve infinity
  • The answer to that is B

8 0
3 years ago
The following tree diagram shows the possible outcomes for the experiment.
Bingel [31]

Answer:

It should be 1/2 because they both have the same amount of wins and loses.

4 0
2 years ago
Read 2 more answers
Other questions:
  • Please please please please please help me!!!!!​
    7·1 answer
  • Solve for a <br><br> 16 = - 8a
    8·1 answer
  • I need help finding x and y
    10·1 answer
  • The altitude of mt. makalu is 8485meters,find its heights in centimeter​
    5·2 answers
  • Helppppl +13 points &amp; +star
    14·1 answer
  • Marcus daims that in the expression 3x + 3y, the terms 3x and 3y are like terms because both are variable terms and both have th
    12·1 answer
  • Help me please for brainiest:(:(:(:(:(
    10·1 answer
  • Use the factor tree to find the prime factorization of 100.
    6·1 answer
  • Write an iterated integral for ModifyingBelow Integral from nothing to nothing Integral from nothing to nothing Integral from no
    12·1 answer
  • Find the area of the figure below
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!