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MArishka [77]
3 years ago
8

What is a possible value for the missing term of the geometric sequences?

Mathematics
2 answers:
Ganezh [65]3 years ago
8 0
A(n)=ar^(n-1)  and we can find the rate upon using the ratio of two points...

50/1250=1250r^2/1250r^0

1/25=r^2

r=1/5  so

a(n)=1250(1/5)^1=250

...

You could have also found the geometric mean which is actually quite efficient too...

The geometric mean is equal to the product of a set of elements raised to the 1/n the power where n is the number of multiplicands...in this case:

gm=(1250*50)^(1/2)=250
babymother [125]3 years ago
6 0

The answer is:

<h2>C) 250</h2>
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2/3 x + = 15<br> solve the following equation
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6 0
3 years ago
Roberto y Mónica tienen, entre los dos, $ 350.
uranmaximum [27]

Usando un sistema de ecuaciones, hay que Roberto tiene $250 y Monica tiene $100.

<h3>¿Qué es un sistema de ecuaciones?</h3>

Un sistema de ecuaciones es cuando dos o más variables están relacionadas y las ecuaciones se construyen para encontrar los valores de cada variable.

En este problema, las variables són:

  • Variable x: Cantidad de Roberto.
  • Variable y: Cantidad de Monica.

Roberto y Mónica tienen, entre los dos, $ 350, por eso:

x + y = 350 -> y = 350 - x

La media de lo que tiene Roberto más lo de Mónica es $ 225, por eso.

0.5x + y = 225

0.5x + 350 - x = 225

0.5x = 125

x = 250

y = 350 - x = 100

Roberto tiene $250 y Monica tiene $100.

Puede-se aprender más a cerca de sistemas de ecuaciones en brainly.com/question/24646137

#SPJ1

8 0
2 years ago
Please help!!!!!!!!!!!
AnnyKZ [126]
I'm pretty sure you did it correctly
4 0
4 years ago
Read 2 more answers
a suit is being sold at a 20 % off (discount). The sale price is $ 270. What was the original price ?
Lisa [10]

Answer:

The original price is 337.50

Step-by-step explanation:

If we get 20% off, we still have to pay 100-20 =80%

Let x be the original price

x *80% = 270

.80x = 270

Divide each side by .80

.80x/.80 = 270/.80

x =337.50

The original price is 337.50

5 0
3 years ago
Read 2 more answers
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