The formula for the area of a circle is 
So if we have the first one...
≈78.5
Now you can solve the other ones with this formula! Good luck!
23.67>23.42
Step-by-step explanation:
imagine the > or < is an alligator
the alligator wants to eat the bigger number
23.67 is bigger than 23.42
so the alligator wants to eat 23.67
the number before the decimal might be the same but look at the number after the decimal
0.67 and 0.42
0.67 is bigger than 0.42
Angles 4,2,6,and 8 are all 106 degrees. To find the other number, subtract 106 from 180 and that is the rest of the numbers. All you have to do is write the measure (m) of the angle listed.
180-106=74 So,
1) 74 degrees
2)106 degrees
3)74 degrees
4) 106 degrees
5)74 degrees
6)74 degrees
Por lo tanto, el valor de x e y es 5, 8.
<h3>¿Qué es el método de sustitución?</h3>
El método utilizado para resolver el sistema de ecuación, en este el valor de una variable se sustituye de una ecuación a otra para encontrar la solución.
Está dado
(x+1)/3 -(y-1)/2 = 1 -----1
7x -4(x+y) = 4 ------2
Resolviendo la segunda ecuación
7x -4x-4y = 4
3x -4y = 4
3x = 4+4y
x = (4+4y) / 3
Sustituyendo este valor en la ecuación 1
2(x+1) - 3(y-1) = 6
2x +2 -3y+3 = 6
2x -3y = 1
2(4+4y)/3 - 3y = 1
8 + 8y - 9y = 3
-y = -5
y = 5
x = 24/3 = 8
Por lo tanto, el valor de x e y es 5, 8.
Para saber más sobre el método de sustitución
brainly.com/question/17411423?referrer=searchResults
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Answer:
What?
Step-by-step explanation:
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