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Eduardwww [97]
3 years ago
11

There were 4 students at the football game. They had 6 sodas to share

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
8 0

Answer:

1.5

Step-by-step explanation:

Licemer1 [7]3 years ago
4 0

Answer:

1.5

Step-by-step explanation:

6/4=3/2

3/2=1 1/2

or

1.5

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What is 7/8 as a decimal​
saw5 [17]

Answer: 0.875

Step-by-step explanation:

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WILL GIVE BRAINIEST PLEASE ONLY ANSWER WITH AN ANSWER Solve these to the nearest hundredth i need it urgently for class. Those y
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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
2 years ago
I need help on this plsss
topjm [15]

Answer:

.2

Step-by-step explanation:

The probability has to sum to 1

Red + yellow + green + black + white = 1

.25+ .30 + .05 + black + white = 1

.6 + black + white =1

subtract  .6 from each side

.6-.6+ black + white = 1-.6

black + white = .4

They said black and white received the same number of votes, so they will have the same probability

2 black = .4

Divide by 2

2 black /2 =.4/2

black =.2

7 0
3 years ago
Exercise 1<br><br> 4x...X4 =<br><br> 7 times
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