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enot [183]
2 years ago
6

Ryan Katie and Mike are roommates. They need to pay an electric bill. The bill is $155.52 The billing cycle is from nov23-dec23.

Ryan and Mike moved out December 15 and will be charged the prorated amount. Katie still lives in the home and will pay her full 1/3. What will Mike and ryan be charged for the electric bill? What will Katie be charged?
Mathematics
1 answer:
rusak2 [61]2 years ago
7 0

Answer: Step-by-step explanation:

if I am correct.. Katie is gonna be paying $77.76. Meanwhile, Mike and Ryan are paying $38.88

half of 155.52 = 77.76

half of 77.76 = 38.88

$77.76 + $33.88 + $38.88 = $155.52

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Annette [7]

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Step-by-step explanation:

7 0
2 years ago
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Tyler has $9.70 in dimes and quarters. The number of quarters is eight more than four times the number of dimes. How many of eac
julia-pushkina [17]

Tyler has 7 dimes and 36 quarters.

<u><em>Explanation</em></u>

Suppose, the number of dimes is x

As the number of quarters is eight more than four times the number of dimes, so the number of quarters =4x+8

Value of one dime is $0.10 and value of one quarter is $0.25

Given that, total value of all dimes and quarters is $9.70

So, the equation will be....

0.10x+0.25(4x+8)=9.70\\ \\ 0.10x+1x+2=9.70\\ \\ 1.10x+2=9.70\\ \\ 1.10x= 9.70-2\\ \\ 1.10x=7.70\\ \\ x=\frac{7.70}{1.10}=7

So, the number of dimes is 7 and the number of quarters =4(7)+8=28+8=36

3 0
2 years ago
Mean of four consecutive even numbers is 15. Enter each number separated by a comma<br>​
makkiz [27]
Let the first number be x.
Therefore second number is (x+2).
Therefore third number is (x+4).
Therefore forth number is (x+6).

Hence,
(x+x+2+x+4+x+6+x+8)/4 = 15
(4x+12)/4 = 15
x+3 = 15
x = 12

So,
The number is 12, 14, 16, 18.

Hope it helps : )
6 0
1 year ago
Read 2 more answers
Al precio de p dólares por unidad, se venden x unidades de cierto artículo al mes en el mercado con p=50-0.5x ¿Cuántas unidades
Ray Of Light [21]

Answer:

Se debe vender un mínimo mensual de 40 artículos para tener un ingreso mínimo de 1.200 dólares.

Step-by-step explanation:

De acuerdo con el enunciado, x es la cantidad mínima de artículos a un precio de p. Además, los ingresos totales deben ser de un mínimo de 1200. En consecuencia, tenemos el siguiente sistema de ecuaciones:

x \cdot p = 1200 (1)

p = 50-0.5\cdot x (2)

Aplicando (2) en (1), tenemos la siguiente ecuación polinómica:

x\cdot (50-0.5\cdot x) = 1200

50\cdot x -0.5\cdot x^{2} = 1200

0.5\cdot x^{2}-50\cdot x +1200 = 0 (3)

Por la Fórmula de la Cuadrática tenemos las raíces del polinomio:

x_{1} = 60, x_{2} = 40

De acuerdo con el resultado anterior, se debe vender un mínimo mensual de 40 artículos para tener un ingreso mínimo de 1.200 dólares.

3 0
3 years ago
Solve the following questions-
Setler79 [48]

Answer:

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Step-by-step explanation:

To get the ratio as a pure number, it must be expressed as the quotient of two values that have the same units. For the purpose here, it is convenient to convert both values to units of seconds.

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<h3>units conversion</h3>

The conversion factor between minutes and seconds is ...

  1 minute = 60 seconds

Multiplying this equation by 3 gives ...

  3 minutes = 180 seconds

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<h3>ratio of interest</h3>

Then the desired ratio is ...

  (72 seconds)/(3 minutes) = (72 seconds)/(180 seconds) = 72/180

  = (36×2)/(36×5)

  = 2/5

The ratio in its simplest form is 2/5.

3 0
2 years ago
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