3 years ago

Math question please help

Mathematics

1 answer:

denpristay [2]3 years ago

6 0

Answer:

a. 4

b. 132

Step-by-step explanation:

Plugg in the equation in desmos graphing calculator and the find the vertex to find the answer.

(Are you doing this in pearson?)

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If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

BigorU [14]

To find the answer, I would multiply 20 by .34 and get 6.8. I would then add 6.8 to 20 and get 26.8. The cost of the DVD is $26.80.

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3 years ago

Thares 10 people 1 impostor what's the chance of me being the impostor

11111nata11111 [884]

Answer:

10% chance

Step-by-step explanation:

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IrinaVladis [17]

Answer:

x intercept

$y = 0 \\ 4x - 5(0) = 40 \\ 4x = 40 \\ x = 10$

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4 years ago

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

3, _ 27, 81, 243 what is the next number in the sequence

Lena [83]

Answer:

3,9,27,81,243,729,2187

Step-by-step explanation:

each number up times it by 3

3x3=9 ,9×3=27, 27×3=81,81×3=243,243×3=729,729×3=2187 and so on

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3 years ago