colby and jaquan are growing bacteria in an experiment in a laboratory. Colby starts with 50 bacteria in his culture and the number of bacteria doubles every two hours. Jaquan has a different type of bacteria that doubles every three hours. How many bacteria should Jaquan start with so that they have they have the same amount at the end of the day?

Answers

Answer 1

Answer: 800. 50 x $2^(12)$ = 204800. 204800 / $2^(8)$ = 800.

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What is 1000 times 80%

Answers

800

(80% = .8, 1000 x .8 = 800)

80%×1000
:80/100×1000
80000/100
800

A rocket is launched from the ground. The function h(t)= -4.9t^2 +180t models the height of a rocket launcher from the ground t seconds after it is launched. If all other factors remain the same, which of the following function models the height of a rocket above the ground after t seconds if it is launched from a platform 100 feet in the air?

(1) h(t) = -4.9t^2 +280t

(2) h(t) = -4.9t^2 +180t -100

(3) h(t) = -4.9t^2 +180t +100

(4) h(t) = -4.9t^2 +180 (t+100)

Answers

The answer would be (1).

Two non-simultaneous events have an equal likelihood of occurring (50%). If the events are independent of each other, what is the probability that they will both occur?

Answers

Answer: Probability that they will both occur is 25%.

Step-by-step explanation:

Since we have given that

There are two non simultaneous events.

Probability of each event = 50%

Since both are independent to each other.

Let A and B be two events.

We need to find the probability that they will both occur i..e P(A∩B).

As we know the rule of independence of events:

$P(A\cap B)=P(A).P(B)\n\nP(A\cap B)=0.5* 0.5\n\nP(A\cap B)=0.25\n\nP(A\cap B)=25\%\n$

Hence, Probability that they will both occur is 25%.

25% should be the answer, let me kno if its correct

What number should be placed in the box to help complete the division calculation?

Answers

Answer:

160

Step-by-step explanation:

226

-160

____

-64 (4 in the quotient)

____

A prism with a volume of 360 yd³ is scaled down to a volume of 45 yd³.What is the scale factor?

Enter your answer, as a decimal or a fraction in simplest form, in the box.

Answers

Answer: The scale factor is 0.125.

Step-by-step explanation:

Given: The volume of the prism= $360\ yd^3$

The scaled volume of the prism= $45\ yd^3$

We know that when we scaled a shape by a scale factor k, then we multiply k to the dimension of the original shape.

So, to find the scale factor k, we need to the divide the scaled volume by the volume of prism , we get

$k=\frac{\text{scaled volume of the prism}}{\text{volume of the prism}}=(45)/(360)=(1)/(8)=0.125$

Hence, the scale factor k = 0.125

45/360 and reduce
45/360 =15/120 = 5/40 = 1/8

The scale factor is 1/8

7. 2.1 + 3.32 – 1.4 = ?

Answers

Hi there! :) The answer to your question is 4.02. I did 2.1+3.32= 5.42 then I did 5.42-1.4= 4.02. That I how I got the answer.

Hope I helped! ;D

4.02, first you add together 2.1 and 3.32, then once you get that answer (5.43); you subtract 1.4. Remember that when adding and subtracting to always go left to right.

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