Correlation Test 13. Random students are selected from a history class and asked the number of hours they studied for a recent test. The hours, and the resulting score on the test, are as follows: Hours 2 5 13 9. 4 8 4 7 Score 81 83 94 96 62 57 71 76 59 85 Can we say that there is a significant positive correlation among the data? (a = .05)

Q: Find 2x² +5x+1 -dr, x>0

A: Use the formulas below to evaluate the given integral.

Q: Three times the difference of Federico’s age and 4, increased by 7, is greater than 37. What are…

A:

Q: (e) lim f(x) does not exist. (lim F = 00 is a valid limit) lim Sina =DNE

A: our objective is to find some examples and draw it

Q: g = b- ca, solve for a

A: We can solve it as below for the value of a

Q: Please show steps on how to solve for the answer and which points to follow in the graph.

A: To find point of discontinuity from the graph we have to find where the graph has a cut. In simple…

Q: Write the solution set of the equation 2x₁ - 5x₂ + 3x3 = 2 using parameters

A:

Q: . Solve: 2x + 3 = 9

A: To solve the equation: 2x+3=9 Solution:' Given equation is 2x+3=9. Solving the given equation.…

Q: phantom ship has a number lock that con by solving the given equation. Help the mu in opening it. +…

A:

Q: Solve for x without using a calculator

A:

Q: 2. Sx/x – 1dx

A:

Q: Show the entire solution please

A: Given that  Probability of success (p)=0.70 Sample size =10  Let X denotes the number of seeds…

Q: Please help me solve.

A:

Q: Find the value of x  2x+1=31-x

A:

Q: Please show every step. Also, set up as an equation where you are solving for “X”.

A:

Q: The number of people playing a new phone app game triples every month when the app first launched…

A: We are given that the number of people playing a new phone app game triples every month. When the…

Q: Could you also solve (d) please

A:

Q: X-X-30-0

A: x2 – x – 30 = 0Solve by completing the square.

Q: 29.5x + 7y = 14

A: y=mx+b ; where 'm' is the slope and 'b' is the y-intercept.

Q: Please solve (b)

A: Given

Q: The amount of military spending M (in biliions of dollars) in the U.S. during year t is given…

A: Given:The amount of military spending M in the U.S. during year t is givenapproximately…

Q: Solve: х? — 7х — -12 O x = -3, 4 O x = – ¤ = — 4, 3 х —D — 4, — 3 %3D Ox = 3, 4

A: The given quadratic equation is: x2-7x=-12

Q: Jack's mother gave him 505050 chocolates to give to his friends at his birthday party. He gave 333…

A: Jack's mother gave him 505050 chocolates to give to his friends at his birthday party. He gave 333…

Q: Plot your own 2 points and make an equation thank you

A: Given query is to find the equation of the line.

Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.