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Zina [86]
4 years ago
10

The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed,

the function gives a line with a slope of -0.6. See the figure below. Suppose that the height of the candle after 12 hours is 17.8 centimeters. What will be the height of the candle after 19 hours?
Mathematics
1 answer:
nydimaria [60]4 years ago
5 0

Answer:

  13.6 cm

Step-by-step explanation:

The slope of -0.6 tells you the change in height in 7 hours will be ...

  (-0.6 cm/h) · (7 h) = -4.2 cm

This is added to the candle height after 12 hours, so the height after 19 hours is ...

  17.8 cm -4.2 cm = 13.6 cm

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8 0
3 years ago
PLS BELP IM JUST CONFUSED
Ganezh [65]

Answer:

(0, 3)

Step-by-step explanation:

The y-intercept of any function can generally be defined as: (0, f(0)), since the y-intercept is when the function crosses the y-axis.

Anywhere on the y-axis, the x-value = 0, so the x value of the y-intercept will always be 0, and the y value is f(0), since x=0.

By looking at the graph it appears to intercept the y-axis at (0, 3) which should be the answer

4 0
1 year ago
What is the difference between a relation and function? Classify each of the following as a function, or not a function. State t
Levart [38]

Answer:

A relation is a subset of cartesian product of two non empty sets whereas A function is a type of relation in which every element of first set has one and only image in the second set.

In a relation an element of the first set can have many images in the second set whereas in a function the first element can have only one image in the second set.

The given relation is not a function as the element 1 is related to 3 different elements in the second set.

Domain={1}

Range={7,14,21}

5 0
2 years ago
Given h(x) = -5x + 3, find h(5).
cluponka [151]

Answer:

h(5) = -22

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

h(x) = -5x + 3

h(5) is x = 5

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function]:                                                                                h(5) = -5(5) + 3
  2. Multiply:                                                                                                             h(5) = -25 + 3
  3. Add:                                                                                                                   h(5) = -22
8 0
3 years ago
PLEASE HELP ALGEBRA 1
Tomtit [17]

Answer:

C. 3

Step-by-step explanation:

This is a 30 60 90 triangle. To get from 3 rad 3 to x you need to divide rad 3 which gives you 3.

3 0
3 years ago
Read 2 more answers
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