3 years ago

Help please helpthanks

Mathematics

1 answer:

777dan777 [17]3 years ago

8 0

Answer:

1. 1 x 10^11

2. 4.9 x 10^15

3. 1.4 x 10^4

4. 2.07 x 10^-5

5. 4 x 10^17

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Se sabe que el septimo termino de una progresion geometrica es 3 ya la razon es 1/2. Se desea saber cual es el valor del primer

AfilCa [17]

Respuesta:

192

Explicación paso a paso:

aₙ = a₁*rⁿ⁻¹

Hallando termino 1

a₇ = 3

r = 1/2

a₁ = ?

a₁ = aₙ / rⁿ⁻¹

a₁ = 3 / (1/2)⁷⁻¹

a₁ = 192

Verificación;

n aₙ

1 192

2 96

3 48

4 24

5 12

6 6

7 3 ✔

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3 years ago

If I have a right triangle ab=12 and ac=15 what is BC

OverLord2011 [107]

Answer:

Step-by-step explanation:

B²=H²-P²

B²=15²-12²

B²=81

√B=9

therefore it's 9

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3 years ago

3x+5-x=2x+7 is infinite real soluction, no real soluction or one real soluction

Helga [31]

Answer:

There is no real solution.

Step-by-step explanation:

There is no solution because 5 is not equal to 7.

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3 years ago

The formula used to convert degrees Celsius to degrees Fahrenheit is

goldenfox [79]

Answer:

Step-by-step explanation:

The formula to convert C° to F° is C = 5(F-32)

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3 years ago

HELP PLEASE SUPER EASY

Tema [17]

Answer:

Step-by-step explanation:

because if you look at it, the rest have a number that is continuously being added where as number 2. is being multiplied by 2.. hope this helps love<3

8 0

3 years ago

Help please helpthanks​

Help please helpthanks