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Andrej [43]
3 years ago
7

Two numbers given in certain radix x are (55)x and (64)x . If we add this two numbers, the result is (130)x. What is the radix x

?
Mathematics
1 answer:
wlad13 [49]3 years ago
4 0

the answer is x = 9.

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Line MN passes through points M(4, 3) and N(7, 12). If the equation of the line is written in slope-intercept form, y = mx + b,
expeople1 [14]
For finding the value of b, we must consider that Line MN passes through points M(4, 3) and N(7, 12). With this condition y = mx + b, can be written 3=4m+ b (because line passes through M(4,3) ) and 12=7m+b, b ( because line passes through M(7,12)). We have a system of equation 4m+ b=3 7m+b=12 For solving this, 4m+b- (7m+b)= 3-12, it is equivalent to -3m= -9 and then m=3, if m=3 so 4x3 +b =3 implies b= 3 -12= -9, so the value of b= -9 <span>
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3 years ago
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Answer:

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Step-by-step explanation:

4 0
2 years ago
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3 0
2 years ago
The diameter of a bacteria colony that doubles every hour is represented by the graph below. What is the diameter of the bacteri
SOVA2 [1]

For this case we have a function of the form:

y = A * (b) ^ x

Where,

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b: growth rate

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Since the diameter is double every hour, then:

b = 2

We must now look for the value of A.

To do this, we evaluate an ordered pair of the graph:

For (1, 2):

2 = A * (2) ^ 1

Clearing A we have:

2 = A * 2

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Then, the function is given by:

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Answer:

the diameter of the bacteria after 9 hours is:

y = 512

6 0
2 years ago
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