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Naddika [18.5K]
3 years ago
6

Natasha is observing the growth of a population of bacteria. She started out with 250 bacteria cells. The population of bacteria

quadruples every hour.
Use x to represent the number of hours and y to represent the population of the bacteria.
Write an equation to represent the situation.
Mathematics
2 answers:
seraphim [82]3 years ago
5 0
 I think it is y=250(4^x)
maxonik [38]3 years ago
4 0
Y = 250 × 4x ... I think, I might be wrong.
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In a regular 52 deck of cards, what is the probability of picking a random spade, a 4 of any suit and then a random diamond with
meriva

sample \: space = 52 \: cards \\ spades = 13 \: cards \\ number \: 4s = 4 \: cards \\ diamonds = 13 \: cards \\ note \: that =  \\ there \: is \: replacement \\ order \: does \: matter

P( \gamma ) =  \frac{13}{52}  \times  \frac{4}{52}  \times  \frac{13}{52}  =  \frac{1}{208}

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The slope of a line is negative for use the cordons of the labeled point to find a point-slope equation of the line.
Alexeev081 [22]
For slope m and point (x₁, y₁), the point-slope equation of the line can be written as
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5 0
3 years ago
Drag each statement to the correct location on the diagram. The diagram shows a planet orbiting the Sun. Fill in each box with t
Nutka1998 [239]

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top: Direction of gravitational pull

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Step-by-step explanation:

8 0
3 years ago
Alex was thinking of a number. Alex doubles it the adds 20 to get answer of 22.7. What was his original number.
erik [133]

Answer:

2.7

Step-by-step explanation:

Let the number alex think be x

Answer = 22.7

According to the question,

x + 20 = 22.7

x = 22.7 - 20

x = 2.7

Therefore, his original number is 2.7

Plz mark me as brainliest

Have a great day

3 0
3 years ago
On a cold day, hailstones fall with a velocity of 2i − 6k m s−1 . If a cyclist travels through the hail at 10i m s−1 , what is t
Paraphin [41]

Answer:

The velocity of the hail relative to the cyclist is V_{hc}=-8\hat{i}-6\hat{k}

The angle at which hailstones falling relative to the cyclist is \theta = 36.86^\circ

Step-by-step explanation:

Given : On a cold day, hailstones fall with a velocity of 2\hat{i}-6\hat{k}\text{ m/s} . If a cyclist travels through the hail at 10\hat{i} \text{ m/s}.

To find : What is the velocity of the hail relative to the cyclist and At what angle are the hailstones falling relative to the cyclist?

Solution :

The velocity of the hailstone falls is V_h=2\hat{i}-6\hat{k}\text{ m/s}

The velocity of the cyclist travels through the hail is V_c=10\hat{i} \text{ m/s}

The velocity of the hail relative to the cyclist is given by,

V_{hc}=V_h-V_c

Substitute the value in the formula,

V_{hc}=2\hat{i}-6\hat{k}-10\hat{i}

V_{hc}=-8\hat{i}-6\hat{k}

So, The velocity of the hail relative to the cyclist is V_{hc}=-8\hat{i}-6\hat{k}

Now, The angle of hails falling relative to the cyclist is given by

\theta = \tan^{-1}(\frac{-6}{-8})

\theta = \tan^{-1}(\frac{3}{4})

\theta = 36.86^\circ

So, The angle at which hailstones falling relative to the cyclist is  \theta = 36.86^\circ

4 0
3 years ago
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