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
Aloiza [94]
3 years ago
8

13. Find the value of x. 124 136 132 158 129 142 116 need ASAP!!

Mathematics
2 answers:
Leto [7]3 years ago
7 0

Answer:

x=144

Step-by-step explanation:

Step 1- Find the sum of degrees in the polygon using the equation below. n=number of sides in the polygon

(n-2)180

(8-2)180=6(180)= 1080

Step 2-Subtract the angles provided to find x

1080-129-132-136-124-141-158-116=144

zysi [14]3 years ago
6 0
144 is the value of x
You might be interested in
Factorize the following quadratic equation u²- 12 u + 35 = 0​
lubasha [3.4K]

Answer:

X₁=7 ,X₂ = 5

Step-by-step explanation:

a= 1²  b= - 12   c= 35

X =[ ( -b±√b²-4ac ) / 2a]

So, use this formula and get the answer...

   Even if you use the middle term formula, you will get the same answer

4 0
3 years ago
Solve for x {x+4]= 6
wlad13 [49]

The solution to the equation x(x+4) = 6 is x = -2 + √10 or x = -2 - √10 after solving with the quadratic formula.

<h3>What is a quadratic equation?</h3>

Any equation of the form \rm ax^2+bx+c=0 where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.

As we know, the formula for the roots of the quadratic equation is given by:

\rm x = \dfrac{-b \pm\sqrt{b^2-4ac}}{2a}

We have an equation:

x(x + 4) = 6

By distributive property:

x² + 4x = 6

x² + 4x - 6 = 0

a = 1, b = 4, c = -6

Plugging all the values in the formula:

\rm x = \dfrac{-4 \pm\sqrt{4^2-4(1)(-6)}}{2(1)}

After calculating:

\rm x = \dfrac{-4 \pm\sqrt{40}}{2}

\rm x=-2+\sqrt{10},\ \ \ or \ \ \ x=-2-\sqrt{10}

Thus, the solution to the equation x(x+4) = 6 is x = -2 + √10 or x = -2 - √10 after solving with the quadratic formula.

Learn more about quadratic equations here:

brainly.com/question/2263981

#SPJ1

6 0
2 years ago
Read 2 more answers
It’s math can you guys help me out 10 points:)
qaws [65]

Answer:

90 liters

Step-by-step explanation:

please mark me as brainlest

8 0
2 years ago
Read 2 more answers
A coin is flipped 150 times. The results of the experiment are shown in the following table:
MakcuM [25]
First problem:

The answer is C because theoretically it should have a 50% of landing heads but instead it lands heads 56% of the time. Thus this is 6% higher than 50%. It's not D because there is not specified detail of how the person got this data so you can assume that the person did a fair survey/data collection.

Second problem:

So in a data size of 490, 140 of them we trout. This means that 140/490 or 28.57% of the fish are trout. This means that in a sample size of 5000 fish, 5000*0.2857 or 1428.57 are trout.

Third problem:

The Science students seem to have a higher average score because the average score of Math students are:
(32+33+34+34+35+37+39+40+40)/9=36
average score of Science students are:
(41+42+43+43+46+46+47+49+49)/9=45.111
7 0
3 years ago
A rectangle has a length of 12 and a width that is half the length. What is the area?
Basile [38]

Answer:

Area = length x width

width = 1/2 length = 12/2 = 6 = width

area = 6x 12 = 72

Hope that answers your question

don't hesitate to comment if you are confused about something

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • What is the value of w?
    14·1 answer
  • How do I simplify this 5a + 3b - 6a - b
    11·1 answer
  • If K is between J and L then JK + KL = JL
    6·2 answers
  • Please Help!! :)
    14·1 answer
  • Answer this question please. I need help!!☺️
    9·1 answer
  • 9. The length of a rectangular speaker is three
    6·1 answer
  • What’s 12 times a number?
    15·1 answer
  • Fond the value of x.
    15·2 answers
  • NEED HELP ASAP!! I'LL GIVE BRAINLIEST TO THE CORRECT ANSWER!!
    6·1 answer
  • Evaluate the function g(x) = -2x- + 3x - 5 for the input values -2, 0, and 3.
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!