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slega [8]
3 years ago
9

A gardener is planting two types of trees: •Tree A is 36 inches tall and grows at a rate of 12 inches per year. •Tree B is 48 in

ches tall and grows at a rate of 10 inches per year. Which equation can be used to find x, the number years it will take for these trees to be the same height? A) 12 + 10 = 36x + 48x B) 12x + 10x = 36 + 48 C) 12x + 36 = 10x + 48 D) 12 + 36x = 10 + 48x
Mathematics
2 answers:
Gennadij [26K]3 years ago
7 0

Answer:

C

Step-by-step explanation:

denis23 [38]3 years ago
3 0

Answer:

c) 12x + 36 = 10x + 48

Step-by-step explanation:

We are given the following information:

Height of tree A = 36 inches

Growth rate of tree A = 12 inches per year.

Height of tree B = 48 inches

Growth rate of tree B = 10 inches per year.

If x is the number of years after which the tree will have same height.

Height of tree A in x years = 36 + 12x

Height of tree B in x years = 48 + 10x

Equating these equation,

36 + 12x = 48 + 10x

Hence, option c) represents the correct equation such that the tress will have same height in x years.

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Un futbolista ha metido 2/9 del número de goles marcados por su equipo y otro la
storchak [24]

Answer:

77 goles

Step-by-step explanation:

Un futbolista ha marcado 2/9 del número de goles marcados por su equipo.

Otro anotó una cuarta parte del resto.

El resto = 1 - 2/9

= 7/9

De ahí que otro futbolista anotó

= 1/4 de 7/9

= 7/36

Si los otros jugadores han marcado 45 goles

Tenemos que averiguar la fracción de goles que marcó el otro jugador

Deje que el número total de goles marcados por el equipo durante la temporada = 1

Por lo tanto:

1 - (2/9 + 7/36)

1 - (8 + 7/36)

1 - 15/36

1 - 5/12

= 7/12

¿Cuántos goles marcó el equipo a lo largo de la temporada?

El número total de goles que marcó ese equipo se calcula como:

7/12 × x = 45

Donde x = número total de goles

7x / 12 = 45

Cruz multiplicar

7x = 45 × 12

x = 45 × 12/7

x = 77,142857143

Aproximadamente = 77 goles

7 0
2 years ago
What is three over two x plus three equal to zero
nataly862011 [7]

QUESTION → \frac{3}{2}x + 3 = 0

Start by subtracting 3 from both sides to get \frac{3}{2}x = -3.

Now multiply both sides by the reciprocal of 3/2, which is 2/3.

On the left, we have x, and on the right, -3(2/3) is -2.

So we have x = -2.

7 0
3 years ago
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Find the equation of the line passing through the points (6,3) and (-4,3)<br> Y=
Molodets [167]

{ \qquad\qquad\huge\underline{{\sf Answer}}}

Equation of line passing through given points :

Let's proceed with two point form ~

\qquad \sf  \dashrightarrow \: y - y1 =  \cfrac{y2 - y1}{x2 - x1} (x - x1)

Assume :

\qquad \sf  \dashrightarrow \: y - 3=  \cfrac{3 - 3}{ - 4 - 6} (x - 6)

\qquad \sf  \dashrightarrow \: y - 3=  \cfrac{0}{ - 10} (x - 6)

\qquad \sf  \dashrightarrow \: y - 3 = 0

\qquad \sf  \dashrightarrow \: y = 3

So, the equation of required line is : y = 3 ~

5 0
1 year ago
How to solve negative exponents? (Extended,long)
defon
Easily, you write the inverse of it without a minus
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