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
arsen [322]
3 years ago
10

Help, middle school homework

Mathematics
1 answer:
Vesna [10]3 years ago
5 0
The answer is 180°

Angles between straight lines are 180°

Hope this helps :))
You might be interested in
PLS HELP ILL GIVE BRAINLIEST
inysia [295]
<h3>Answer:   14x - 8</h3>

=======================================================

Explanation:

I'll use the quadratic formula to find the roots or x intercepts. This slight detour allows us to factor without having to use guess-and-check methods.

The equation is of the form ax^2+bx+c = 0

  • a = 12
  • b = -11
  • c = -5

This leads to...

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x = \frac{-(-11)\pm\sqrt{(-11)^2-4(12)(-5)}}{2(12)}\\\\x = \frac{11\pm\sqrt{361}}{24}\\\\x = \frac{11\pm19}{24}\\\\x = \frac{11+19}{24} \ \text{ or } \ x = \frac{11-19}{24}\\\\x = \frac{30}{24} \ \text{ or } \ x = \frac{-8}{24}\\\\x = \frac{5}{4} \ \text{ or } \ x = -\frac{1}{3}

Now use those roots to form these steps

x = \frac{5}{4} \ \text{ or } \ x = -\frac{1}{3}\\\\4x = 5 \ \text{ or } \ 3x = -1\\\\4x - 5 =0 \ \text{ or } \ 3x+1 = 0\\\\(4x-5)(3x+1) = 0

Refer to the zero product property for more info.

Therefore, the original expression factors fully to (4x-5)(3x+1)

Use the FOIL rule to expand it out and you should get 12x^2-11x-5 again.

----------------------------------------------

We did that factoring so we could find the side lengths of the rectangle.

I'm using the fact that area = length*width

  • L = length = 4x-5
  • W = width = 3x+1

The order of length and width doesn't matter.

From here, we can then compute the perimeter of the rectangle

P = 2(L+W)

P = 2(4x-5+3x+1)

P = 2(7x-4)

P = 14x - 8

6 0
2 years ago
The following data points represent the length of each song Roy the Rooster sang each morning since he
Lorico [155]

Answer:

Step-by-step explanation:

So put the 0-3 to the y2, 3-6 to the y4 and 6-9 to the y2

4 0
2 years ago
9 9/15 - 2 13/15 = <br> i have know idea what it is plz help
maria [59]

Step-by-step explanation:

plase see it my step work solution

5 0
3 years ago
It takes Bert 30 minutes longer to mow a rectangular lawn that measures 30 feet by 25 feet than it takes him to mow a rectangula
nevsk [136]

Answer:

C: 70 Mins

Step-by-step explanation:

1, 20ft*15ft=300ft^2

2, 30ft*25ft=750ft^2

3, 750ft-350ft=450ft^2

4, 450 ft^2 = 30 mins

5, 350ft=750ft=1050ft^2

6, 1050/450=2.3333

7, 30*2.3333=70

8, 70 mins

4 0
2 years ago
Please help graph below | What is the slope of this line?
ehidna [41]

The slope is 0 because there is no slope it is not pointing up nor is it down. It is just a straight line. I hope this helps!! Have a nice day!!

4 0
2 years ago
Read 2 more answers
Other questions:
  • What is 3 1/4 x 6 3/4 = i need help i will mark you the brainiest to!!!!!!!!
    5·1 answer
  • Find the dimensions of the rectangular corral producing the greatest enclosed area given 320 feet of fencing. (Assume that the l
    11·1 answer
  • Help please !!!!!!!!!!
    11·1 answer
  • What is the absolute value of point P on the number line? A number line ranging from negative two to two, with intervals of one-
    15·1 answer
  • It takes 3/8 pound to fill one flower pot. Charlie has 5/6 pound of potting soil. How many pots can he dill
    9·1 answer
  • What is the value of x in the equation below? 1/3(12x-24)=16
    8·2 answers
  • What values of a and b make the equation true?
    13·1 answer
  • Plz help, will give brainliest.
    5·1 answer
  • What kind of sequence?<br> 8,4,2,1....<br><br> A geometric<br> B arithmetic <br> C neither
    15·1 answer
  • I need help please. can someone please help me
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!