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
shutvik [7]
2 years ago
8

Find the distance between the points (8, – 7) and ( – 4,9). Hint: Use the Pythagorean theorem

Mathematics
1 answer:
Sedaia [141]2 years ago
6 0
8+4=12
9+7=16
12^2=144
16^2=256
144+256=400
square root of 400 is 20

therefore the distance from (8, -7) to (-4,9) is 20.
You might be interested in
Which pair of expressions represents inverse functions
Natali5045456 [20]

Answer: C. \dfrac{x+3}{4x-2} and \dfrac{2x+3}{4x-1}


Step-by-step explanation: if a function f(x) has g(x) as its inverse then it satisfies fog(x)=x and gof(x)=x

C. f(x)=\dfrac{x+3}{4x-2} and g(x)=\dfrac{2x+3}{4x-1}

   fog(x)=f(\dfrac{2x+3}{4x-1})

              =\dfrac{\dfrac{2x+3}{4x-1}+3 }{\dfrac{4(2x+3)}{4x-1}-2 }

               =x

   gof(x)=g(\dfrac{x+3}{4x-2})

              =\dfrac{\dfrac{2(x+3)}{4x-2} +3}{\dfrac{4(x+3)}{4x-2}-1 }

               =x

hence C. is the pair of inverse functions


7 0
3 years ago
Read 2 more answers
Y = 3x - 12x +9<br> In standard form?
xxMikexx [17]

Answer:

y=-9x+9

Step-by-step explanation:

There are only two like terms in the equation which I have underlined.

y= <u>3x - 12x</u> +9

To simplify it, you combine the like terms and get your equation in standard form.

5 0
2 years ago
X y<br>-28 -54<br>-21 - 40<br>-14 -26<br>What is the y-intercept of the line?​
jeka94

Answer:

-15

Step-by-step explanation:

7 0
3 years ago
Pls follow the steps on the image
Darina [25.2K]

Answer:

-4

Step-by-step explanation:

7 0
3 years ago
I need help. Do not put up a link to a site. (No sin/cos/tan)
melomori [17]

Answer:

the answer is x=60 y=90

may it help you

5 0
3 years ago
Read 2 more answers
Other questions:
  • Can someone help me plz
    11·2 answers
  • What is the solution set of the following equation -5x+x+9=-4x+12
    13·1 answer
  • NEED HELP ASAP! 10 POINTS BRANILIEST 5 STAR AND THANKS
    11·1 answer
  • While on vacation, you rent a bicycle. You pay $9 for each hour you use it. It costs $5 to rent a helmet while you use the bicyc
    7·1 answer
  • Write the equation 2x – 3y = 16 in slope-intercept form.
    7·1 answer
  • AHHH I just wanna know if what I put on the table is right ;-;​
    13·2 answers
  • A plane flew 145km/h faster when it was flying with the wind than it would have flown with still air, if it’s speed with the win
    14·1 answer
  • Please help i have to turn in in 8 mins....thanks :)
    15·2 answers
  • Which set of ordered pairs represents a function?
    9·1 answer
  • Y
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!