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castortr0y [4]
3 years ago
8

PLEASE HELP ASAP!!!! I’ll give brainliest!!! (I accidentally pushed on the last answer idk if it’s right or not)

Mathematics
1 answer:
Rashid [163]3 years ago
7 0

Answer:

Table 1

Step-by-step explanation:

To determine if it is proportional, y/x must be constant

Table 1

y/x = .5/1 = 1/2

1/2 =

3.5/7 = 1/2

4/8 = 1/2

This is constant


Table 2

y/x = 1/3

2.5/ 7.5 = 1/3

4/15 = 2/5    so it is not constant


Table 3

y/x = 12/3 =4

15/6 =5/2   not constant


Table 4

y/x = 7/2

9/3 = 3 not constant

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Taxes on house assessed at 64,000 are 1500 a year. If the assessment is raised to 85000 and tax rate did not change how much wou
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1992.1875
1500/64000= 0.0234375
0.0234375 x 85000=1992.1875
6 0
3 years ago
-5+7=7+-5 is this number sentence true or false
vovikov84 [41]

Answer: True

Step-by-step explanation:

We can simplify each of the expressions on either side to see if they are equal.

Left side: -5+7=7-5= 2

Right side: 7+-5=7-5= 2

Yes, they are equal.

7 0
2 years ago
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Anyone understand how to do this??
Oxana [17]

Answer:

T=-11

Step-by-step explanation:

y2-y1/x2-x1

=t-(-1)/9-10

=t+1/9-10

=t+1/-1

=-11+1/1

=-10/1

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Hope this helps :)

7 0
3 years ago
Read 2 more answers
The table shows the numbers y of students absent from school x days after a flu outbreak.
allsm [11]
  1. A function that models the data is given by this quadratic equation, y = -0.4908x² + 5.8845x + 1.3572.
  2. The number of students that are absent 10 days after the outbreak is equal to 11 students.

<h3>What is a scatter plot?</h3>

A scatter plot can be defined as a type of graph which is used for the graphical representation of the values of two (2) variables, with the resulting points showing any association (correlation) between the data set.

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

A quadratic function can be defined as a mathematical expression (equation) that can be used to define and represent the relationship that exists between two or more variable on a graph.

In Mathematics, the standard form of a quadratic equation is given by;

ax² + bx + c = 0

By critically observing the graph (see attachment) which models the data in the given table, we can infer and logically deduce that the quadratic function is given by:

y = -0.4908x² + 5.8845x + 1.3572

For the number of students that are absent 10 days after the outbreak, we have:

y = -0.4908(10)² + 5.8845(10) + 1.3572

y = -0.4908(100) + 58.845 + 1.3572

y = -49.08 + 58.845 + 1.3572

Number of students, y = 11.12 ≈ 11 students.

Read more on scatterplot here: brainly.com/question/6592115

#SPJ1

5 0
2 years ago
Put the equation y =x^2-8x + 12 into the form y(x-h)^2+k<br> Answer: y =
zlopas [31]

Answer:

<em>y = (x - 4)² - 4 </em>

Step-by-step explanation:

y = x² - 8x + 12

y = ( x² - 2(4)x + 4² ) - 4² + 12

<em>y = (x - 4)² - 4</em>

7 0
3 years ago
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