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Gekata [30.6K]
2 years ago
14

5. Write an expression equivalent to x - 3y + 4.​

Mathematics
1 answer:
Pepsi [2]2 years ago
7 0

Answer:

2x - 6y + 8

Step-by-step explanation:

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How do I find the domain n range of this graph​
motikmotik

Domain = {-3, 2}

Range = All real numbers

We can represent the range in interval notation as (-\infty, \infty) which is basically saying -\infty < y < \infty. The range is all real numbers due to the arrows meaning the graph extends up and down forever. So any y value is possible.

Notice with the domain we only have 2 valid x values -3 and 2. No other x values are allowed. Normally we use an interval of some kind to set up the domain, but we only have a set of values instead. The curly braces indicate "set".

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3 years ago
If TR=11 what is the length of RS.
masha68 [24]
No se porque no se me van a hacer nada de eso
6 0
2 years ago
If jobs arrive every 15 seconds on average, what is the probability of waiting more than 30 seconds?
Aleksandr [31]

Answer: 0.14

Step-by-step explanation:

Given: Mean : \lambda=15\text{ per seconds}

In minutes , Mean : \lambda=4\text{ per minute}

The exponential distribution function with parameter \lambda  is given by :-

f(t)=\lambda e^{-\lambda t}, \text{ for }x\geq0

The probability of waiting more than 30 seconds i.e. 0.5 minutes is given by the exponential function :-

P(X\geq0.5)=1-P(X\leq0.5)\\\\=1-\int^{0.5}_{0}4e^{-4t}dt\\\\=1-[-e^{-4t}]^{0.5}_{0}\\\\=1-(1-e^{-2})=1-0.86=0.14

Hence, the probability of waiting more than 30 seconds = 0.14

5 0
3 years ago
What is 40 percent of an hour? please write answer into hours and minutes. I will mark brainliest!!!!!
Dvinal [7]

Answer:

25 minutes

Step-by-step explanation:

25 mintes

3 0
2 years ago
Read 2 more answers
Please help me? step by step:) ty
Illusion [34]

Answer:

multiply 5 x 4 = 20

multiply the dimensions of the lighter square

after all the multiplying you subtract your answers and you should get the VERY final answer

*don't add because it's area; just multiply

4 0
3 years ago
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