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Cerrena [4.2K]
2 years ago
10

Answer and get 24 pionts

Mathematics
2 answers:
Vlada [557]2 years ago
6 0
B because the area of a circle is (pi)(r)^2.
Ad libitum [116K]2 years ago
5 0
The area of a circle is pi × r^2 substitute 25 in for r and get pi × 25^2
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Lorena is trying to choose between two different savings accounts at H-Town Bank. She will deposit $3,500 dollars and will leave
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GET REKTTKTKTTK

Step-by-step explanation:

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3 years ago
What is the value of ?
ryzh [129]

Answer:

65

Step-by-step explanation:

8 0
2 years ago
How many hours (to the nearest hour) would it take you to count one billion if you counted one number
DochEvi [55]

Answer:

<em>You would need 5,555,556 hours to count 1 billion.</em>

Step-by-step explanation:

<u>Proportions</u>

If you count one number every 20 seconds, then you can count 3 numbers in a minute.

Counting 3 numbers in a minute will allow counting 3*60 = 180 numbers in an hour.

At the same counting rate, if you wanted to count 1 billion numbers, we can calculate the hours needed by dividing:

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Rounding to the nearest hour, you would need 5,555,556 hours to count 1 billion.

4 0
2 years ago
Henry is starting a T-shirt printing business and plans on selling each shirt for $30, with his cost being $8 per shirt. The equ
DerKrebs [107]
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7 0
2 years ago
Read 2 more answers
Son proporciones.<br> cual es el resultado de :x/2,5=y/5 si x+y=6
omeli [17]

Respuesta: x/2,5=y/5=4/5=0,8


x/2,5=y/5

Multiplicando ambos lados de la ecuación por 5:

5(x/2,5)=5(y/5)→2x=y→y=2x

Sustituyendo y por 2x en la ecuación x+y=6:

x+2x=6

Resolviendo para x: Sumando términos semejantes:

3x=6

Dividiendo ambos lados de la ecuación entre 3:

3x/3=6/3

x=2

Sustituyendo x por 2 en la formula y=2x

y=2(2)→y=4

Determinando la proporción:

x/2,5. Sustituyendo x por 2:

2/2,5

Multiplicando numerador y denominador por 2:

2*2/(2,5*2)=4/5

La proporción es 4/5=0,8

Si lo hacemos con y:

y/5

Reemplazando y por 4:

4/5=0,8 (la misma proporción)


7 0
2 years ago
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