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4 years ago

9

Choose the most appropriate name for the function described below.

2 answers:

a_sh-v [17]4 years ago

8 0

A that's the answer I think

FrozenT [24]4 years ago

6 0

The answer should be d

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What is difference between -0.4 and 44.4 a) 40 b) 44 c) -44 d)44.8

ololo11 [35]

Answer: d

Step-by-step explanation:

44,4 - (-0,4) = 44,4 + 0,4= 44,8

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3 years ago

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Gabby's scores on her first 4 math test where 87, 92, 76 and 89. What is the minimum score Gabby needs to make on the 5th test

Ganezh [65]

She would need to make an 89 on her last test. I hope this helped ^^

What I did is I put a made a list in ascending order (Least to greatest). Next, I added a number starting from 80 and then counted up. I added every number together and divided it by 5 every time I changed the number. Finally I got to the number 89 and it totaled to be 85.

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3 years ago

Verify that P = Ce^t /1 + Ce^t is a one-parameter family of solutions to the differential equation dP dt = P(1 − P).

NemiM [27]

Answer:

See verification below

Step-by-step explanation:

We can differentiate P(t) respect to t with usual rules (quotient, exponential, and sum) and rearrange the result. First, note that

$1-P=1-\frac{ce^t}{1+ce^t}=\frac{1+ce^t-ce^t}{1+ce^t}=\frac{1}{1+ce^t}$

Now, differentiate to obtain

$\frac{dP}{dt}=(\frac{ce^t}{1+ce^t})'=\frac{(ce^t)'(1+ce^t)-(ce^t)(1+ce^t)'}{(1+ce^t)^2}$

$=\frac{(ce^t)(1+ce^t)-(ce^t)(ce^t)}{(1+ce^t)^2}=\frac{ce^t+ce^{2t}-ce^{2t}}{(1+ce^t)^2}=\frac{ce^t}{(1+ce^t)^2}$

To obtain the required form, extract a factor in both the numerator and denominator:

$\frac{dP}{dt}=\frac{ce^t}{1+ce^t}\frac{1}{1+ce^t}=P(1-P)$

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4 years ago

a cheetah reaches a speed of 30 m/s as it chases its prey. What is the kinetic energy of the cheetah?

ZanzabumX [31]

Kinetic energy is in movement, so the answer is obviously the cheetah running :)

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3 years ago

What is the exact amount of water our body contains?

mr Goodwill [35]

Answer:

Up to 60% of the human adult body is water.

Step-by-step explanation:

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3 years ago

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