What is the formula for a parallelogram

Answers

Answer 1
Answer: The formula is base*height.
This is because in a parallelogram (a slanted one), you can multiply base*height and the triangle from the other side can be moved.
Which is why it's also the formula for rectangle and squares since they are also parallelograms
Answer 2
Answer: It is Base times Height

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Help how to solve! 24=3r divided by 4

The temperature at 1:00pm was 52*. The temperature at 3:00 was 60*. What is the rate of change?

Answers

The rate of change is 8*. From 1pm-3 the temperature increased 8*.

What is the exact volume of a sphere that has a radius of 7.5ft

Answers

V=(4/3)(pi)r^3

r=7.5

V=(4/3)(pi)(7.5^3)
V=(4/3)(pi)(7.5^3)

V=(4/3)(pi)(421.875)

V=562.5pi ft^2


if you watnt to you can aprox pi=3.14

V=562.5*3.14

V=1766.25 ft^3

so answer is 562.5pi ft^3 or 1766.25 ft^3
since the equation for volume of a sphere is 4/3* π*r^3, you just plug in the radius. if you do this you get 4/3*421.875*π. multiply 4/3 and 421.875 and you get 562.5. now since it says EXACT, leave it in terms of pi; your answer would be 562.5π ft^3. if it said estimated or something along those lines then you would multiply by 3.14...... but since it says exact you leave pi alone.

What is the simplest form of 2 / 9 + 5/9

Answers

( 2/9 ) + ( 5/9 )  =  7/9 .  <== That's the simplest form.
there is no simplest form 7/9 is the answer to 2/9 + 5/9 is 7/9 so 7/9 os alredy in simplest form

What value of k makes the statement true? –(k + 12) = 6 + (–12)A.
–18

B.
–6

C.
6

D.
18

Answers

the answer is B.if you solve the other sideit will give -6 which is B

If one endpoint of a line segment is (2, 8) and the midpoint is (-4, 7), what is the other endpoint? (8, -5)

Answers

( - 10, - 22 )

using the midpoint formula,

let the other endpoint have coordinates (x, y) then

(1)/(2) (2 + x ) = - 4 ( multiply through by 2 )

2 + x = - 8 ( subtract 2 from both sides ) then

x = -8 - 2 = - 10 ← value of x-coordinate

Similarly for y-coordinate

(1)/(2) (8 + y ) = - 7 ( multiply through by 2 )

8 + y = - 14 ( subtract 8 from both sides )

y = - 14 - 8 = - 22 ← y -coordinate

the other endpoint is ( - 10, - 22 )




4x - 3y = 15
2x + 2y = 4

what is the solution of the system of equations?

Answers

Answer:

System of Linear Equations entered :

  [1]    4x - 3y = 15

  [2]    2x + 2y = 4

Step-by-step explanation:

// Solve equation [2] for the variable  y  

 

 [2]    2y = -2x + 4

 [2]    y = -x + 2

// Plug this in for variable  y  in equation [1]

  [1]    4x - 3•(-x +2) = 15

  [1]    7x = 21

// Solve equation [1] for the variable  x  

  [1]    7x = 21  

  [1]    x = 3  

// By now we know this much :

   x = 3

   y = -x+2

// Use the  x  value to solve for  y  

   y = -(3)+2 = -1  

Solution :

{x,y} = {3,-1}  

Answer:

 {3,-1}  

Step-by-step explanation: