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goldfiish [28.3K]
3 years ago
10

?

Mathematics
1 answer:
maxonik [38]3 years ago
3 0

Answer:

its either -7 or 7 but im not super confidant in that answer but thats what makes sense to me

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Write the differential equation model that fits the given description. (a) The rate of change of the volume of a snowball (due t
miskamm [114]

Answer:

a) he rate of change of the volume of a snowball (due to melting) is proportional to the square of the volume at time t. Initially, the snowball has a volume of 900 cm3

\frac{dV(t)}{dT} = A*V(t)^{2} \\ and V(0) = 900cm^{3}

where A is a real constant, it appears because it says that the change i volume (dV/dt) is "proportional" to V(t)^{2}. Furthermore, we should assume that A is a negative number, because the volume of the snowball will decrease as the time pasese by.

(b) For an insect moving along some path, the velocity at time t is proportional to the square root of its position.

\frac{dr(t)}{dt}  = B*\sqrt{r(t)}

Here again appears a constant B for the "proportional" part. And i wrote the velocity as \frac{dr(t)}{dt} "the rate of change of the position with respect to te time".

7 0
3 years ago
Find the product and explain the process and reasoning. $ 0 . 79 × 3 . 7 = ?
geniusboy [140]
Your answer would be 2.93.
8 0
3 years ago
Question 3 Solve for m. 4 over 3 m equals 4
Lorico [155]

Answer:

m = 3

Step-by-step explanation:

\frac{4}{3} m = 4 \\ divide \: both \: sides \: by \:  \frac{4}{3}  \\  \\ m = 3

3 0
3 years ago
Emily's family loves to work together in the garden. They have a slight preference for flowers, as 60%, percent of their plants
murzikaleks [220]

That is 40% * 50

= 0.4 * 50

= 20 vegetables

4 0
3 years ago
Read 2 more answers
Maria is making a scale drawing of her basement, which is 12 yards long. if she let's 1/2 inch represent 1 yard how many inches
andrezito [222]

Answer:

the correct answer would be 6 inches.

Step-by-step explanation:

12*.5=6


7 0
2 years ago
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