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Inessa05 [86]
3 years ago
5

Please help mereeeeeeeeeeeeee

Mathematics
1 answer:
Allushta [10]3 years ago
3 0

Answer:

x+60+42=180

x+102=180

x=180-102

x=78

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Ramon is interested in whether the global rise in temperature is also showing up locally in his town, Centerdale. He plans to lo
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Answer:

explained

Step-by-step explanation:

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3 years ago
What is 58% of 18 <br>can you please help and explian how u got it​
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2 years ago
Please help me with this question. Algebra 2 is hard!!
trapecia [35]

Answer:

  • domain: {x ∈ ℝ : x ≤ 5}
  • range: {y ∈ ℝ : y ≤ -1}

Step-by-step explanation:

<u>Domain</u>

The domain of a function is the set of x values for which the function is defined. Here, the domain is limited by the values of x that make the square root defined. That is, the expression under the radical cannot be negative:

  -3x +15 ≥ 0

  15 ≥ 3x . . . . . . add 3x

  5 ≥ x . . . . . . . . divide by 3

  x ≤ 5 . . . . . . . . put x on the left (swap sides)

The rest of the notation in the domain expression simply says x is a real number.

  domain: {x ∈ ℝ : x ≤ 5} . . . . . . matches the first choice

__

<u>Range</u>

The range of a function is the set of values that f(x) can have. We know the square root can be zero or any positive number. When it is zero, f(x) = -1.

When it is a positive number, that value is multiplied by -4 and added to -1, so f(x) is a number more negative than -1. Then the range of the function is all numbers -1 and below:

  range: {y ∈ ℝ : y ≤ -1} . . . . . . matches the last choice

_____

<em>Comment on domain/range problems</em>

When working domain and range problems, it works well to have a good understanding of the domain and range limitations of the functions we usually work with: polynomials, square root, logarithm, trig functions, exponential functions. Domain and range problems generally involve combinations of these or ratios of combinations of these.

3 0
3 years ago
Slope 2; passes through (-5,1)
Korolek [52]

Slope 2; passes through (-5,1)


the answer is

y-1=2(x+5)

6 0
2 years ago
On a calendar of 31 days what are the prime numbers
zepelin [54]
I believe <span>2   3   5   7   11   13   17   19   23   29   31</span>
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3 years ago
Read 2 more answers
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