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kaheart [24]
2 years ago
9

PLEASE HELP ME, ill give points! Im in the 7th grade

Mathematics
1 answer:
sdas [7]2 years ago
4 0

Answer: y=-5 x=5

explanation: look at the number the x and y is on

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A scatter plot is shown:
MatroZZZ [7]

Answer:

The correct option is 2.

Step-by-step explanation:

From the given graph it is noticed that the data points are located at (0,0), (1,0.25), (2,1), (3,2), (4,3), (5,4), (5.5,5), (6,6), (6.4,7), (6.7,7.8) and (7,9).

The rate of change from first two data points is

m_1=\frac{y_2-y_1}{x_2-x_1}=\frac{0.25-0}{1-0}=0.25

The rate of change from next two data points is

m_2=\frac{2-1}{3-2}=1

m_1\neq m_2

The rate of change it not constant, therefore the given data points are non linear.

The value of y increases as the value of x-increases. It means there is a positive relation between x and y.

Therefore the graph represent a Nonlinear positive association between x and y. Option 2 is correct.

6 0
3 years ago
Read 2 more answers
Twenty-four percent of the 25 swim team members are new on the team . how many members are new?
Alika [10]

Answer:6

Step-by-step explanation:

Just search up what is 24% of 25 on google :P

7 0
3 years ago
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How do I do question 2 & 3 ? Please help thank you
zepelin [54]
<h2>2.</h2><h3>Given</h3>
  • y=2x(2 -3x)
<h3>Find</h3>
  • y·y'' +x·y' -16 in simplest form
<h3>Solution</h3>

It is convenient to expand the expression for y to ease determination of derivatives.

... y = 4x -6x²

... y' = 4 -12x

... y'' = -12

Then the differential expression can be written as

... (4x -6x²)(-12) +x(4 -12x) -16

... = -48x +72x² +4x -12x² -16

... = 60x² -44x -16

<h2>3.</h2><h3>Given</h3>
  • y = 16/x +x³/3
<h3>Find</h3>
  • the turning points
  • the extreme(s)
<h3>Solution</h3>

The derivative is

... y' = -16x^-2 + x^2

This is zero at the turning points, so

... -16/x^2 +x^2 = 0

... x^4 = 16 . . . . . . . . . multiply by x^2, add 16

... x^2 = ±√16 = ±4

We're only interested in the real values of x, so

... x = ±√4 = ±2 . . . . . . . x-values at the turning points

Then the turning points are

... y = 16/-2 +(-2)³/3 = -8 +-8/3 = -32/3 . . . . for x = -2

... y = 16/2 + 2³/3 = 8 +8/3 = 32/3 . . . . . . . for x = 2

The maximum is (-2, -10 2/3); the minimum is (2, 10 2/3).

3 0
4 years ago
Which is the mode of this data set?<br> 55, 78, 43, 39, 78, 61, 75, 50, 43, 78
Vikentia [17]

Answer:

78

Step-by-step explanation:

Mode = number that appears most in a set of numbers

The number that appears the most in this set is 78. So, the mode is 78. Hope it helps!

6 0
3 years ago
Read 2 more answers
Help pls image attached
zimovet [89]

Answer:


Step-by-step explanation:


6 0
4 years ago
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