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strojnjashka [21]
3 years ago
15

How do you know w/o calculator? PLZZZZZ HELPPPPPPPPPp

Mathematics
1 answer:
Zepler [3.9K]3 years ago
4 0
No because the result is .3 and the.3 is less than one
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Quiah saved $200 every month that she worked. Her savings are recorded in the data table below. What equation would best describ
alexira [117]

Answer:

y = 200x + 300

Step-by-step explanation:

First we multiply the amount she saves every month (200) by the amount of months she works. Since we want an equation that we can use to find Quiah's savings depending on how many months she works, the number of months will be a variable (x). So far we have 200x.

Since she only saves 200 a month and she already has 500 after the first month, we know she had some money saved before. This means we need to add that amount of money to 200x. To find how much money that was, we need to think about the graph. The graph shows us what she has after the month has ended, meaning once she already saved the $200. So to find how much money she originally had we should subtract 200 from 500 which will give us 300. This is how much money she originally had.

This leaves our equation looking like this: y = 200x + 300

6 0
3 years ago
Read 2 more answers
Select the correct choice and fill in the answer box
Anvisha [2.4K]

To begin with, let us look at a few definitions that will help

A relation is a function if each x-value is paired with exactly one y-value. A vertical line test on a graph can be used to determine whether a relation is a function.

If we use a graph to check, we will have

We can see that there is no overlapping of coordinates. The table satisfies the vertical line test.

Hence, it is a function

The domain and range of function is the set of all possible inputs and outputs of a function respectively. The domain and range of a function y = f(x) is given as domain= {x ,x∈R }, range= {f(x), x∈Domain}.

The domain of the function, D is given by

D=\mleft\lbrace-1,0,1,2,3\mright\rbrace

The range, R is given by

R=\mleft\lbrace-6,-1,2,5,8\mright\rbrace

8 0
1 year ago
The Carter family just left the local pet store with Rex, their new family dog. The pet store owner told the Carter family that
Ksenya-84 [330]

The graph is attached and all the sub parts have been answered.

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

A function is  away of relating a dependent variable to an independent variable .

It is given that

Current weight of Rex at 2 months =6 pounds

Let x represents the age in months of Rex

then a linear model that represents the Rex’s current weight, in pounds, as a function of his age, in months. is

Let y be the current weight of Rex

then

y = 6 + 9(x -2)

The table  that represents Rex’s current weight, in pounds, as a function of his age, in months

2              6

3              15              

4              24

5              33

6              42

7              51

8              59

The graph is plotted for the given data and attached .

If Rex continues to grow at the rate of 9 pounds per month beyond the expected six months, how much will Rex weight by the time he is one year old

6 + 9*(12-2)

96 pounds.

To know more about Function

brainly.com/question/12431044

#SPJ1

4 0
2 years ago
Write the point slope of the equation of the line described show work.
yaroslaw [1]

Answer:

y= -3/2x + 5/2

Step-by-step explanation:

<u>Given:</u>

  • Line y= -3/2x - 1 and point (3, -2)

<u>To find:</u>

  • Equation for the line parallel to the given that passes through the given point.
<h3>Solution</h3>

The given line has a slope of -3/2

The parallel line will have the same slope

<u>The point-slope form:</u>

  • y - y1 = m(x -x1)

<u>We have m = -3/2, y1= -2, x1 = 3, plug in:</u>

  • y - (-2) = -3/2(x - 3)
  • y + 2 = -3/2(x - 3)
  • y = -3/2x + 9/2 - 2
  • y = -3/2x + 5/2

or

  • y = -1.5x + 2.5
7 0
3 years ago
Gail is a real estate agent. She earns $750 per week and a 3% commission on the value of each house she sells. This week she sol
swat32
She made $8,250 this week. 3% of 250,000 is $7,500, you add her weekly pay of $750 and it gives you your answer. 
8 0
3 years ago
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