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poizon [28]
2 years ago
9

4x − 8y = –20 4x − 7y = –15

Mathematics
1 answer:
Alja [10]2 years ago
8 0
Y = 5
x = 5
good luckkkkkkk
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Answer:

b

Step-by-step explanation:

One square = (2/5)/(3) Invert and multiply the 3

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==    ==    =

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Please help me with this math problem urgent
Luba_88 [7]

Answer:

11/5

Step-by-step explanation:

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4 0
3 years ago
What is the domain of <br> F(x)=√x ?<br><br> (PLEASE HELP ASAP)
leva [86]

Option C. all real numbers greater than 0 is the correct answer

Further explanation:

Domain is the set of all inputs on which the function is defined or real.

The given function is:

f(x)=\sqrt{x}

As the function involves a square root, we have to avoid negative numbers.

  • All positive real numbers will produce defined output so the positive real numbers will be included in the domain.
  • If we look at negative real numbers, we will be taking square root of a negative number which will not result in a real number

So the domain will only include positive real numbers.

Hence, Option C. all real numbers greater than 0 is the correct answer.

Keywords: Domain, Domain of radical functions

Learn more about domain at:

  • brainly.com/question/3511750
  • brainly.com/question/3852778

#LearnwithBrainly

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3 years ago
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