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DiKsa [7]
1 year ago
10

Complete the equation of the line whose yyy-intercept is (0,5)(0,5)left parenthesis, 0, comma, 5, right parenthesis and slope is

-9−9minus, 9.
Mathematics
2 answers:
nignag [31]1 year ago
7 0

Answer:

y=9x+5

Step-by-step explanation:

The general slope intercept form is equal to y=mx+b

The slope of the line is m and the y intercept is <em>b</em>.

We know the slope is -9 and the y intercept is (0,5)

The equation is y=-9x+5

Khan Academy

  Linear Equations and Functions

     8th Grade

Andreas93 [3]1 year ago
6 0
Uhh the question is confusing
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Imaginá que tenés 125 dados cúbicos del mismo tamaño ¿Cuantos dados de altura tiene el cubo de mayor tamaño que podés armar apil
kumpel [21]

Answer:

(i) Debemos apilar 5 dados para construir el cubo de mayor tamaño.

(ii) Se necesita 121 dados cuadrados para formar el cuadrado con la mayor cantidad de dados posibles, quedando 4 dados sobrantes.

Step-by-step explanation:

(i) Sabemos por la Geometría Euclídea del Espacio que un cubo es un sólido regular con 6 caras cuadradas y longitudes iguales. Cada dado tiene un volumen de 1 dado cúbico y 125 dados dan un volumen total de 125 dados cúbicos.

El volumen de un cubo está dado por la siguiente fórmula:

V = L^{3}

Donde:

L - Longitud de la arista, medida en dados.

V - Volumen del cubo, medido en dados cúbicos.

Ahora, necesitamos despejar la longitud de la arista para calcular la altura máxima posible:

L = \sqrt[3]{V}

Dado que V = 125\,dados^{3}, encontramos que la altura del cubo de mayor tamaño sería:

L =\sqrt[3]{125\,dados^{3}}

L = 5\,dados

Debemos apilar 5 dados para construir el cubo de mayor tamaño.

(ii) El área cuadrada formada por cubos está determinada por la siguiente fórmula:

A = L^{2}

Donde:

L - Longitud de arista, medida en dados.

A - Área, medida en dados cuadrados.

Puesto que la longitud de arista se basa en un conjunto discreto, esto es, el número de dados disponibles, debemos encontrar el valor máximo de L tal que no supere 125 y de un área entera. Es decir:

L \leq 125\,dados

Si cada cubo tiene un área de 1 dado cuadrado, entonces un cuadrado conformado por 125 dados tiene un área total de 125 dados cuadrados. Entonces:

L^{2}< 125\,dados^{2}

Esto nos lleva a decir que:

L < 11.180\,dados

Entonces, la longitud máxima del cuadrado con la mayor cantidad de cubos posible es de 11 dados. El número total requerido de cubos es el cuadrado de esa cifra, es decir:

n = (11\,dados)^{2}

n = 121\,dados

Se necesita 121 dados cuadrados para formar el cuadrado con la mayor cantidad de dados posibles, quedando 4 dados sobrantes.

4 0
2 years ago
The first equation in the system models the heights in feet, h, of a falling baseball as a function of time, tThe second equatio
Ray Of Light [21]

Answer:

The height of the baseball is 35 feet at the moment the player begins to leap.

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2 years ago
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Terry has a large bucket of water. He uses 2.25 gal to
Novosadov [1.4K]

Answer:

I think the answer is  3.47

Step-by-step explanation:

Terry starts out with 2.25 gallons, and he uses 1.33 so you subtract these so he has .92 gallons left. He adds 4.8 gallons so you add 4.8 to .92 and get 5.72 gallons total in the bucket... If the question is asking how much change between the beginning and end I would say 5.72- 2.25= 3.47

4 0
1 year ago
The average annual costs for owning two different refrigerators for x years is given by the two functions: f(x) = 850 + 62x /x a
Alex17521 [72]

Answer:

In the long run cost of the refrigerator g(x) will be cheaper.

Step-by-step explanation:

The average annual cost for owning two different refrigerators for x years is given by two functions

f(x) = \frac{850+62x}{x}

     = \frac{850}{x}+62

and g(x) = \frac{1004+51x}{x}

             = \frac{1004}{x}+51

If we equate these functions f(x) and g(x), value of x (time in years) will be the time by which the cost of the refrigerators will be equal.

At x = 1 year

f(1) = 850 + 62 = $912

g(1) = 1004 + 51 = $1055

So initially f(x) will be cheaper.

For f(x) = g(x)

\frac{850}{x}+62 = \frac{1004}{x}+51

\frac{1004}{x}-\frac{850}{x}=1004-850

\frac{154}{x}=11

x = \frac{154}{11}=14

Now f(15) = 56.67 + 62 = $118.67

and g(x) = 66.93 + 51 = $117.93

So g(x) will be cheaper than f(x) after 14 years.

This tells below 14 years f(x) will be less g(x) but after 14 years cost g(x) will be cheaper than f(x).

5 0
1 year ago
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A nurse is preparing to administer dextrose 5% water (D5W) 250 ml IV to infuse over 2 hr. The nurse should set the IV pump to de
Molodets [167]

Answer:

the answer is 125

Step-by-step explanation:

I divided 250 and 2

125***ANSWER

4 0
2 years ago
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