2 years ago

Hellpppp pllzzzzzz!!!!!!

Mathematics

1 answer:

DENIUS [597]2 years ago

5 0

Answer:

Can you scroll up a little bit ill edit my answer once you do

Step-by-step explanation:

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Tank 1 initially contains 50 gals of water with 10 oz of salt in it, while tank 2 initially contains 20 gals of water with 15 oz

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$\dfrac{\mathrm dx_1}{\mathrm dt}=\dfrac{2\text{ oz}}{1\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}-\dfrac{x_1(t)\text{ oz}}{50\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}$
$\dfrac{\mathrm dx_2}{\mathrm dt}=\dfrac{x_1(t)\text{ oz}}{50\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}-\dfrac{x_2(t)\text{ oz}}{20\text{ gal}}\dfrac{5\text{ gal}}{1\text{ min}}$

$\implies\begin{cases}\dfrac{\mathrm dx_1}{\mathrm dt}=10-\dfrac1{10}x_1\\\\\dfrac{\mathrm dx_2}{\mathrm dt}=\dfrac1{10}x_1-\dfrac14x_2\\\\x_1(0)=10\\\\x_2(0)=15\end{cases}$

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2 years ago

The percent of Tom winning a game is 20%, he played 30 games. How mang games did he lose?

Korvikt [17]

Answer:

He won 6 games and lost 24 games.

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2 years ago

The right isosceles triangle PQR has vertices P(3, 3), Q(3, 1 and R(x, y) and is rotated 90 degrees counterclockwise about the o

nydimaria [60]

Since the triangle is isosceles, the two legs have equal length. The coordinates of two vertices are given
P(3,3)
Q(3,1)
Assuming that PQ and QR are the legs of equal length, the distance between Q and R must be the same as the distance between P and Q
d = √[(3-3)² + (3-1)²
d = 2
Therefore, the coordinates of P is
(5,1)

8 0

3 years ago

Plz help out will give brainliest

il63 [147K]

Answer:142

Step-by-step explanation:

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2 years ago

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