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Serhud [2]
3 years ago
15

Will bought a package of 24 juice bottles for $7.44. Which equation relates the cost, c, of a package of juice bottles to the nu

mber of bottles, b, in the package?
Mathematics
1 answer:
scoray [572]3 years ago
5 0
For this i believe you would have to find the unit price for them, so it would be 7.44 divided by 24 which should be $0.31

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The length of a rectangle is 2cm longer than the width. The perimeter is 52cm. What is the length and width of the rectangle?
Liula [17]

Answer:

Width = 12 cm

Length = 14 cm

Step-by-step explanation:

Rectangle:

Let the width  = x cm

So, the length = (x+2) cm

Perimeter  = 52 cm

2 *(l+b) = 52

2 *(x+2  + x) =  52

   2 * ( 2x + 2) = 52

           2x + 2  = 52/ 2

           2x + 2  = 26

                 2x = 26- 2

                  2x = 24

                    x = 24/2

                    x = 12

Width = 12 cm

Length = 14 cm

3 0
3 years ago
Complete the recursive formula of the arithmetic sequence - 1, - 13, - 25, - 37
barxatty [35]

Answer:

The recursive formula is aₙ=aₙ₋₁ -12  

Step-by-step explanation:

Recursion is a process in which each step of a pattern depends on the step or the previous steps. So a recursive sequence is a sequence where terms are defined using one or more previous terms that are given.

So a recursive formula allows you to find any term in an arithmetic sequence using a function of the previous term, where each term is the sum of the previous term and the common difference.

So, in this case you can see the common difference of all the terms by doing the following calculations between a term and its previous value:

-13-(-1)=-13+1=-12

-25-(-13)=-25+13=-12

-37-(-25)=-37+25=-12

The common difference is -12

So, <u><em>the recursive formula is aₙ=aₙ₋₁ -12   where each term is the same to the previous term minus 12.</em></u>

7 0
3 years ago
Assume that y varies directly as x. If y = 3, when x = 15, find the value of y when x = 75. A) 3 B) 15 C) 30 D) 45
Leni [432]

Answer:

Step-by-step explanation:

Answer:y=15

 3      y

___=___

15    75

cross multiply

15y=225

divide both sides by 15

y=15

8 0
3 years ago
Read 2 more answers
el perimetro de un terreno rectangular es de 170m y su area es de 170^2hallar la medida de sus lados con ecuacion cuadratica
Blizzard [7]

Answer:

Acá tenemos un sistema de ecuaciones.

El perímetro de un rectángulo es:

2*A + 2*L = 170m

donde A es el ancho y L es el largo.

Y el área del rectángulo es:

A*L = 170m^2.

Entonces, el primer paso es aislar una de las variables en una de las ecuaciones, yo voy a aislar A en la segunda:

A = 170m^2/L.

Ahora reemplazo eso en la primera ecuación y la resuelvo para L.

2*( 170m^2/L.) + 2*L = 170m.

340m^2 + 2*L^2 = 170m*L

ahora tenemos una ecuación cuadrática:

2*L^2 - 170m*L + 340m^2 = 0.

Las soluciones se pueden obtener usando la formula de Bhaskara:

L = \frac{+170 +- \sqrt{170^2 -4*340*2}  }{2*2} = \frac{170 +-161.8}{4}

Entonces las soluciones son:

L = (170 + 161.8)/4 = 82.95m

L = (170 - 161.8)/4 = 4.1m

Entonces, si tomamos L = 82.95m, tenemos A = 4.1 m

y el área es:

A*L = 4.1m*82.95m = 170m^2

3 0
3 years ago
I am 24 years old. My age is 2 less than twice my sister's age.
gavmur [86]

Answer: Therefore, the age of my sister is 13 years.

Step-by-step explanation:

Let the age of my sister is x yeas.

Then according to question..

24 = 2x -2

Or, 2x=26

or, x= 26/2

x= 13

4 0
2 years ago
Read 2 more answers
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