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lidiya [134]
3 years ago
12

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.
8 0
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:

if u did 10 times 10 to get 100 and 1 times ten you would get 10/100 which is 10%

3 0
3 years ago
Read 2 more answers
Find the x and y intercepts <br> 4x-5y=40
IrinaVladis [17]

Answer:

x intercept

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

y intercept

x = 0 \\ 4(0) - 5y = 40 \\  - 5y = 40 \\ y =  - 8

4 0
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           ✔

7 0
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

4 0
3 years ago
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