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IrinaVladis [17]
2 years ago
12

Can you guys help me with this equation plzzzzzz​

Mathematics
1 answer:
dangina [55]2 years ago
6 0

Answer:

b = 1/3

Step-by-step explanation:

Here, we want to solve for the value of b

From the question, we have that;

4^(3b-3) = 1/16

4^(3b-3) = 16^-1

4^(3b-3) = 4^2(-1)

4^(3b-3) = 4^-2

Since base are equal, equate the powers

3b - 3 = -2

3b = -2 + 3

3b = 1

b = 1/3

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A town in east Texas received 25 inches of rain in two weeks. If it kept raining at this rate for a 31−day month, how much rain
Likurg_2 [28]
25 in of rain in 2 weeks.

there are 14 days in 2 weeks

25/14 = 1.785 in per day

1.785 x 31 = 55.335 in. of rain

55.335 in of rain is your answer

hope this helps
7 0
3 years ago
Read 2 more answers
Una recta con pendiente -2 ´pasa por el punto P(5, -1). La abscisa del punto Q que está en esa recta es 1. Encuentre la ordenada
oksian1 [2.3K]

Answer:

La ordenada de Q es 7.

Step-by-step explanation:

La ecuación de una recta es:

y = a*x + b

donde a es la pendiente y b es la ordenada al origen.

Para este problema, sabemos que la pendiente es -2

Entonces:

a = -2

y = -2*x + b

También sabemos que esta recta pasa por el punto (5, -1)

Esto significa que cuando evaluamos la ecuación en x = 5, y toma el valor y = -1

Si reemplazamos esos valores en la ecuación, obtenemos:

-1 = -2*5 + b

-1 = -10 + b

-1 + 10 = b

9 = b

Entonces la ecuación de la recta es:

y = -2*x + 9

Sabemos que el punto Q está en la línea, y la abscisa de este punto es 1.

Entonces este punto es Q (1, k)

donde k es la ordenada de este punto.

Porque nuestra línea también pasa por este punto, podemos concluir que cuando x = 1, y = k

Reemplazando eso en la ecuación tenemos:

k = -2*1 + 9 = -2 + 9 = 7

k = 7

La ordenada de Q es 7.

7 0
3 years ago
...........................................................
klasskru [66]

Answer:

lollllll

Step-by-step explanation:

have a nice day!

3 0
3 years ago
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A circle has its center at (-2, 5) and a radius of 4 units. What is the equation of the circle? Answer choices:
Vanyuwa [196]
The equation of the circle:
( x - h )² + ( y - k )² = r²;
h = - 2,  k = 5,  r = 4
Answer:
A ) ( x + 2 )² + ( y - 5 )² = 16
4 0
3 years ago
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7hr= how many minutes ​
denis-greek [22]

Answer:

420 minutes

Step-by-step explanation:

1 hour = 60 minutes

7 * 1 hour = 7 * 60 minutes

7 hours = 420 minutes

5 0
2 years ago
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