The majority of new chemical molecules that are tested as new drugs come from

Mathematics

1 answer:

mafiozo [28]2 years ago

8 0

D the synthesis of new chemicals by chemists

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3(2x) + 4y(5) + 4.2.2

dexar [7]

Answer:

fggewiugwi

Step-by-step explanation:

yougotvtthis getit on

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2 years ago

One coin in a collection of 65 has two heads. The rest are fair. If a coin, chosen at random from the lot and then tossed, turns

geniusboy [140]

Answer:

P=1/65.

Step-by-step explanation:

We knaow that one coin in a collection of 65 has two heads. If a coin, chosen at random from the lot and then tossed, turns up heads 6 times in a row. We calculate the probability that it is the two-headed coin.

We calculate the number of possible combinations:

$C_1^{65}=\frac{65!}{1!(65-1)!}=65$

Number of favorable combinations is 1.

Therefore, the probability is

P=1/65.

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2 years ago

A circular lid has a diameter of 12 inches. What is the exact area of the lid? A. 6π square inches B. 12π square inches C. 24π s

kaheart [24]

The area of any circle is equal to $\pi r^2$ , where r is the radius.

We know that the diameter is 12. The radius is always half of the diameter, so the radius of our circle must be 6.

Substitute 6 for r in our equation and simplify.

π6² = π6×6 = 36π in²

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3 years ago

The royal fruit company produces two types of fruit drinks the first type is 70% pure fruit juice and the second type is 95% pur

Ipatiy [6.2K]

This is a typical mixture problem where using a table is the best thing.
pints juice % juice = total % juice
juice A x .70 = .70x
juice B 60-x .95 = .95(60-x)
total 60 .75 = 60(.75)

The last row gives you a total that you need to use, so do that multiplication to get 45. You now to need to add the last columns together for rows 1 and 2 and set them equal to 45: .7x +.95(60-x) = 45. When you do that math, you'll get that x = 48. This means that you need 48 pints of juice A and 60-48 pints of juice B, which is 12 pints.

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2 years ago

If a circle is cut from a square piece of plywood, how much plywood would be left over? Use 3.14 for pi

Elanso [62]

$20^{2}$ -3.14* $10^{2}$ = 400 - 314 = 86;

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3 years ago