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Taya2010 [7]
3 years ago
9

Help please I need the name of the polygon and the perimeter and area of the shape of numbers 42-47

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
8 0

42 - 47

Polygons are

triangle, trapezoid, triangle, parallelogram, rectangle and parallelogram

The area of triangles = 1/2 * base * haight.

Area of the parallelograms = height * base.

Area of rectangle= width * length

Area of trapezoid = 1/2 * (a + b) * height where a and b are the opposite parallel sides

The perimeters = sum of the sides of the polygons.

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Backgammon is a board game for two players in which the playing pieces are moved according to the roll of two dice. players win
Ivahew [28]

The rolls of the dice are independent, i.e. the outcome of the second die doesn't depend in any way on the outcome of the first die.

In cases like this, the probability of two events happening one after the other is the multiplication of the probabilities of the two events.

So, the probability of rolling two 6s is the multiplication of the probabilities of rolling a six with the first die, and another six with the second:

P(\text{rolling two 6s}) = P(\text{rolling a 6}) \cdot P(\text{rolling a 6}) = \dfrac{1}{6} \cdot \dfrac{1}{6}  = \dfrac{1}{36}

Similarly,

P(\text{rolling two 3s}) = P(\text{rolling a 3}) \cdot P(\text{rolling a 3}) = \dfrac{1}{6} \cdot \dfrac{1}{6}  = \dfrac{1}{36}

Actually, you can see that the probability of rolling any ordered couple is always 1/36, since the probability of rolling any number on both dice is 1/6:

P(\text{rolling any ordered couple}) = P(\text{rolling the first number}) \cdot P(\text{rolling the second number}) = \dfrac{1}{6} \cdot \dfrac{1}{6}  = \dfrac{1}{36}

7 0
3 years ago
Order the group of quadratic functions from widest to narrowest graph <br> y=3^2, y=5^2, y=7^2
Sedbober [7]
Y = 7^2
y = 5^2
y = 3^2

if wide is the greatest and narrow means smallest then i hope its right

Ur Welcome and if its wrong plz let me know and i will fix it,
xXharleyquinn04Xx
7 0
3 years ago
What is the volume of a cube with length 4 inches? V=lwh
Nata [24]
The answer is:  "64 cubic inches" ;  or, write as:  "64 in³ " .
_______________________________________________________
Explanation:

V = L * w * h ; 

  = (4 inches) * (4 inches) * (4 inches) ;  

(since a "cube" has the same length, width, and height)
  
 =  (4*4*4) inches * inches * inches) ;

 = 16 * 4 * inches³ ;

= 64 inches³ ; or, write as: "64 in³ " ; or, write as:  "64 cubic inches" .
________________________________________________________
5 0
3 years ago
8xy^3*xy ^8 plsssssssssssssssssssss help
Sindrei [870]

Answer:

x • (x^3 - 3x^2y + 3xy^2 + 7y^3)

Step-by-step explanation:

(8x • (y^3)) +  x • (x - y)^3

2^3xy^3 +  x • (x - y)^3

Evaluate :  (x-y)^3   =   x^3-3x^2y+3xy^2-y^3

Pull out like factors :

x^4 - 3x^3y + 3x^2y^2 + 7xy^3  =

x • (x^3 - 3x^2y + 3xy^2 + 7y^3)

x^3 - 3x^2y + 3xy^2 + 7y^3 is not a perfect cube

4 0
3 years ago
Find out what's wrong with this graph
serious [3.7K]

Answer:

The y-axis is upside down, meaning that instead of the values increasing as they go up, they decrease.

7 0
3 years ago
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