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qaws [65]
2 years ago
6

Initially, 50 bacteria are placed in a Petri dish. It is observed that the bacteria triple in population every 8 hours.How can t

his information be interpreted?Select True or False for each statement.

Mathematics
2 answers:
damaskus [11]2 years ago
8 0

The first statement will be "<em><u>false</u></em>" and the second one is "<em><u>true</u></em>". A further explanation is below.

According to the question,

Number of bacteria after "t" hours,

= 50\times (3)^{\frac{t}{8} }

This will be false.

Now,

After 36 hours,

→ N = 50\times (3)^{\frac{36}{8} }

       = 50\times (3)^{\frac{36}{8} }

       = 50\times (3)^{4.5}

       = 7015

This will be true.

Learn more:

brainly.com/question/11580770

MArishka [77]2 years ago
3 0

Answer:

I think they're both true

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Hannah has a small circular table. The radius of the tabletop is 23 cm.
ale4655 [162]
Area of circle = πr2 = π(23)^2
7 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
Kitty [74]

Answer:   (-2, 5) and (2, -3)

<u>Step-by-step explanation:</u>

Graph the line y = -2x + 1 (which is in y = mx + b format) by plotting the y-intercept (b = 1) on the y-axis and then using the slope (m = -2) to plot the second point by going down 2 and right 1 unit from the first point:

        y - intercept = (0, 1)            2nd point = ( -1, 1).

Graph the parabola y = x² - 2x - 3 by first plotting the vertex and then plotting the y-intercept (or some other point):

y = x^2-2x-3\quad \rightarrow \quad a=1,\ b=-2,\ c=-3\\\\\text{axis of symmetry:}\ x = \dfrac{-b}{2a}\ \longrightarrow \ x=\dfrac{-(-2)}{2(1)}=\dfrac{2}{2}=1\\\\\text{y-value of vertex:}\ f(1) = (1)^2-2(1)-3\quad \longrightarrow \quad y = 1 - 2 - 3=-4\\\\\text{y-intercept:}\ f(0)= (0)^2-2(0)-3\ \longrightarrow \ y=0 - 0 - 3 = -3 \\

         vertex = (1, -4)                2nd point (y-intercept) = (0, -3)


<em>see attached</em> - the graphs intersect at two points:  (-2, 5) and (2, -3)


8 0
3 years ago
What is m Enter your text in the box.<br> m
Nonamiya [84]
M is a letter your welcome
3 0
2 years ago
MORE MATH GENIUSES!!!!!!!!!!!!!!
Oliga [24]

Answer:

The friend caught the ball at 2 feet.

Step-by-step explanation:

1. False; the ball was not still in the air at 1 second the x-component of the vertex is 0.5.

2. False; the x-component of the vertex is 0.5

3. True; the ball was tossed at a height of 2 feet (when x=0, y=2), it is safe to assume the ball was caught at the same height.

4. False; when x = 0, y = 2.

8 0
2 years ago
What is the length of AC?
natima [27]

7/x = 84 / (156 -x)
84x = 7(156 -x)
84x = 1092 - 7x
91x = 1092
x = 12

AC = 156 - 12 = 144

answer
D. 144
3 0
3 years ago
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