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svetlana [45]
2 years ago
10

Mikhael and hema want to hire a professional dj to play music during the event. Dj kay-cee charges $100 plus $50 per hour . Dj f

ab fred charges $150 plus $30 per hour write an equation to find the number of hours at which dj kay-cee and dj fab fred would charge the same amount
Mathematics
1 answer:
11Alexandr11 [23.1K]2 years ago
6 0

Dj kay-cee: 50x+100

Dj fav fred: 30x+150

So, setting up the equation, you get that 50x+100=30x+150

So, 20x=50, and x=\frac{5}{2}

So after 2.5 hours, dj kay-kee and dj fab fred would charge the same amount.

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600t = 480(18 – t) should be it

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A tank contains 8000 L of pure water. Brine that contains 35 g of salt per liter of water is pumped into the tank at a rate of 2
OleMash [197]

Answer:

The concentration of salt in the tank approaches 35 \mathrm{g} / \mathrm{L},

Step-by-step explanation:

Data provide in the question:

Water contained in the tank = 8000 L

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Concentration of salt \lim _{t \rightarrow \infty} C(t)=\lim _{t \rightarrow \infty} \frac{35 t}{320+t}

Now,

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Here,

The concentration of salt in the tank approaches 35 \mathrm{g} / \mathrm{L},

3 0
2 years ago
Two angles are complementary. the measure of ∠abc is x° and the measure of ∠dbc is (3x + 10)°. what is the value of x? enter you
Marta_Voda [28]
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ANSWER:
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Identify the GCF of 6x2y2 − 8xy2 + 10xy3. 6x2y2 2x2y 2xy2 6xy2
sattari [20]
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The third choice.
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Answer:

B. $3927.54

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just took the test

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