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amid [387]
2 years ago
10

19 of the 41 students in Bert's grade have a pet. What is the ratio of the number of students who have a pet to the total number

of students? Write your answer as a fraction.
Use a slash (/) to separate the numerator and
denominator
Mathematics
1 answer:
slamgirl [31]2 years ago
5 0

Answer: 19/41

Step-by-step explanation:

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1.Which expression means “4 less than the product of 6 and 5”?
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1) 6*5-4

2) 17 - (5+9)

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This table shows values that represent a function
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the y adds 9 for every one x

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HELPPP!!! <br> What is 4^(1) x 4^(2) and please show the steps!!
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{4}^{1}  = 4 \\ 4 {}^{2}  = 4 \times 4 = 16 \\  \\  {4} + 16 = 20
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3 years ago
Last PreCalc Question, Need help with writing piecewise functions with graphs. Giving brainliest!
LekaFEV [45]

The piece-wise linear functions can be written as follows:

  • f(x) = x, x \leq -2.
  • f(x) = -x - 7, -2 < x \leq 1.
  • f(x) = 2x - 9, x > 1.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

For x equal or less than -2, the line passes through (-3,-3) and (-2,-2), hence the rule is:

f(x) = x, x \leq -2.

For x greater than -2 up to 1, the y-intercept is of -7, and the line also passes through (1,-8), hence the rule is:

f(x) = -x - 7, -2 < x \leq 1.

For x greater than 1, the function goes through (2,-5) and (3,-3), hence the slope is:

m = (-3 - (-5))(3 - 2) = 2.

The rule is:

y = 2x + b.

When x = 2, y = -5, hence:

-5 = 2(2) + b

b = -9.

Hence:

f(x) = 2x - 9, x > 1.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

5 0
2 years ago
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