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Nataliya [291]
3 years ago
7

Help me and ill give brainlist

Mathematics
2 answers:
Alex777 [14]3 years ago
6 0

Answer:

D it is 15 yards squared

Step-by-step explanation:

because you take the 10yards times .5 of the 3 yards so 1.5 times 10

Cerrena [4.2K]3 years ago
3 0

3 X 10 = 30/2 = 15

area: 15yd^2

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The waverly company issued 4,000 shares of common stock worth 200,000.00 total. What is the par value of each share?
yuradex [85]

The value per share is 50 per share.

In order to find this, you take the total value of the stock and then divide by the number of shares.

200,000/4,000 = 50.

Therefore, it is 50 per share.

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It is the last one have a great day!
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Suppose there are two lakes located on a stream. Clean water flows into the first lake, then the water from the first lake flows
never [62]

Answer:

a.  For the first lake;

c = (m·t - 0.005·m·t²)/100000

For the second tank, we have;

c = m·t/200 - m·t²/80000

b. t ≈ 1.00505 hours

c. 200 hours

Step-by-step explanation:

The flow rate of water in and out of the lakes = 500 liters/hour

The volume of water in the first lake = 100 thousand liters

The volume of water in the second lake = 200 thousand liters

The mass of toxic substances that entered into the first lake =  500 kg

The concentration of toxic substance in the first lake = m₁/(100000)

Therefore, we have;

The quantity of fresh water supplied at t hours = 500 × t

The change

The change in the mass of the toxic substance with time is given as follows

dm/dt = (m - m/100000 × 500 × t)/100000

c = (m·t - 0.005·m·t²)/100000

For the second tank, we have;

c = m/100000 × 500 × t - (m/100000 × 500 × t)/200000 × 500 × t

Using an online tool, we have;

c = m·t/200 - m·t²/80000

b. When c < 0.001 kg per liter, we have m < 0.001 × 100000, which gives m < 100

Substituting gives;

0.001 = (100·t - 0.005·100·t²)/100000, solving with an online tool, gives;

t ≈ 1.00505 hours

c. For maximum concentration, we have;

c = m·t/200 - m·t²/80000

m/200000 = m·t/200 - m·t²/80000

1/200000 = t/200 - t²/80000

dc/dt = d(t/200 - t²/80000)/dt = 0

Solving with an online tool gives t = 200 hours

6 0
3 years ago
1. Describe cómo se relacionan ZPQT y 2QTS en la figura de la derecha. R A Los ángulos suman 90° B Los ángulos suman 180°. T S ©
STatiana [176]

Solution

For this case we can conclude that B) Both angles sum 180°

Since both angles are supplementary the sum of the angles needs to be 180°

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1 year ago
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