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
Sliva [168]
4 years ago
10

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Andrew [12]4 years ago
7 0
Answer:  x = 9.611 ;  or ;  x = 9  11/18 .
_________________________________________________
Explanation:
________________________________________________

All angles of any triangle must add up to 180 degrees.

So,  (10x - 4)  + (8x + 3) + 91 = 180 ;  Solve for "x" ; 
___________________________________________
    10x - 4 + 8x + 3 + 81 = 180 ;

Combine the "like terms" on the left-hand side of the equation:
___________________________________________
      +10x + 8x = 18x ;
        
       - 4 + 3 + 8 = 7 ;
____________________________
          18x  +  7 = 180 ;
___________________________________________
   Subtract  "7" from each side of the equation:
___________________________________________
         18x + 7 - 7 = 180 - 7 ;
___________________________________________
to get:  
  
         18x  = 173 ; 
_________________________________
Divide EACH side of the equation by "18" ; to isolate "x" on one side of the equation;  and to solve for "x" ; 
_________________________________
         18x / 18  = 173 / 18 ;
_________________________________
                   x = 9.6111111111111111....
_____________________________________
  
Write as:  9.611 ;  or;   9  11/18.
____________________________________



You might be interested in
If g(x)=x²-2 and p(x)=2x+3, find (g·p)(x)
xxMikexx [17]
2X^3+3x^2-4x-6

You do x^2-2 times 2x+3 and use FOIL method to get answer
4 0
3 years ago
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
Keith_Richards [23]

Answer:

8.0 seconds to the nearest tenth,

Step-by-step explanation:

h=-16t^2 +vt + c.

-16t^2 + 116t + 101 = 0

t =  [ -116 + /- √(116^2 - 4*-16*101) ] / (-32)

t = (-116 +/- √19920) / (-32)

t = -0.79, 8.036  (we ignore the negative root)

The time in flight = 8.036 seconds.

4 0
3 years ago
Find the MAD of the following data. {16, 25, 18, 15, 21}
serg [7]

Answer:

i believe the answer is 3.2 and the mean is 19

7 0
3 years ago
Find the positive answer to this equation 0=1/3x^2-3
kari74 [83]

Answer:

3

Step-by-step explanation:

the positive answer for this equation is

x=(3,-3)

so the positive answer is:3

8 0
3 years ago
Read 2 more answers
you are purchasing the ingredients for your first cooking project in culinary school. You are making a new salmon dish. Salmon c
iogann1982 [59]

Answer

$22

Step-by-step explanation:

This is the answer because if we take 3 2/3 into a mixed number, it would be 11/3. If you multiply 11 to 6, you would get 66 and divide it by 3, and get 22.

5 0
3 years ago
Other questions:
  • Explain how 9x4 can help you find 9x8
    12·2 answers
  • Of the 50 students in the cafeteria, 7 have red hair. Suppose there are 750 students in the school. Write a proportion that coul
    8·1 answer
  • In the diagram, all measurements are in centimetres. The lengths of the side of the quadrilateral are 2r+5, 2r, 4r-3 and r. Find
    13·2 answers
  • a cylinder has a volume of 321 cubic units. if a cone has the same height and radius as the cylinder, what is its volume in cubi
    8·1 answer
  • the video game Drew and Jan want to buy cost $55.00. Write an expression to show how many weeks it will take them to save enough
    9·1 answer
  • Complete the equation of the line through (-8, -2) and (-4, 6).<br> Use exact numbers.
    6·2 answers
  • Put the following equation in slope intercept form.<br><br> 7x - 2y = 10
    14·1 answer
  • SOMEONE PLEASE ANSWER THESE 2 QUESTIONS FOR ME CORRECTLY I WILL MAKE YOU THE BRAINLIEST AND GIVE YOU A GOOD RATE UST PLEASE HELP
    10·2 answers
  • look at the tables below and determine the slope and y intercept. use this information to write a function rule for each table.​
    11·1 answer
  • (help i got 6 mins) Find the slope and y intercepts <br> No bots or i will report
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!