if the area of a square is 18x13 and the area of a rectangle is 12x6 what is the perimeter and the area combined
Answers
Well the square would be 18+18+13+13 = 62. And the rectangle would be 12+6+12+6 = 36
So combined they would be 62+36 = 98
Area
18 x 13 = 234 for the square and 12 x 6 = 72 for the rectangle which altogether is 234+72= 306
Answer:
368 units
Step-by-step explanation:
Well let’s start with the square.
square)
Dimensions: 18 and 13
Area 18*13 = 234
Perimiter: 18+18+13+13
= 62
234 + 62
= 296
rectangle)
Dimensions: 12 and 6
Area: 12*6 = 36
Perimiter: 12+12+6+6
=36
36 + 36
= 72
72+296
=368
Thus,
the sum of both areas and perimeters is 368units.
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6r+7=13+7r how do you solve this?
cos 2x + sin x
Answers
This is the expression written with only sinx and cosx.
as cos 2x=cos²x-sin²x=1-2sin²x
then
cos 2x+sin x=-2sin² x+sin x +1
-8x + 10y = 10
Answers
Answer:
y = 1, x = 0
Step-by-step explanation:
multiply -4x +9y = 9 by -2 to get 8x -18y = -18
combine the two equations to get -8y = -8
divide both sides by -8 to get y = 1
plug in 1 as the y into one of the equations and solve to get x = 0
Answer:
(0,1)
x = 0
y = 1
Step-by-step explanation:
(-4x + 9y = 9)-8
(-8x + 10y = 10)4
32x - 72y = -72
-32x + 40y = 40
-32y = -32
y= -32/-32
y=1
-4x + 9(1) = 9
-4x + 9 = 9
-4x = -9 + 9
-4x = 0
x = 0/-4
x = 0
Answers
abc=acb=bac=bca=cab=cba
multiplicatoin can move
some possible ones
(13)(7)(21)=(13)(21)(7)=(21)(7)(13)=(21)(13)(7)=(7)(13)(21)=(7)(21)(13)
any of those work
What is the equation of the inverse function N(a)?
Answers
A(n) = 4n -25
and we wish to get the inverse function N(a)
We let
A(n) = a
n = N(a)
Plugging in the values
a = 4 N(a) - 25
Arranging the equation:
4 N(a) = a + 25
N(a) = (a + 25) /4
The answer is
N(a) = (a + 25) /4
Answers