11/19/20

Compute the least-squares regression line for predicting y from x given the following summary statistics:

x̄ = 8.1  sx = 1.2  ȳ = 304sy = 1.9 r = −0.85

11/19/20

The length of Juans math book is 10.5 inches What is the approximate length of his book in centimeters?

plz answer 4444444444444444444444444444444444444444444444444444444444444444

11/19/20

Rewrite the equation 8x+6x^2−7=x^2 in standard form and identify a, b, and c.

please rewrite in standard form and identify the numbers/or varibles

11/19/20

MATH !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Nick divides 527 baseball cards evenly into 17 stacks. How many baseball cards are in each stack?Use the model.

11/19/20

The first number is 6 less than 5 times the second number. The difference of the first and second number is 22. What are the two numbers?

I have a major grade project in my algebra class and i cant figure out this problem, please help!

11/19/20

How many liters of pure water should be mixed with a 8-L solution of 90% acid to produce a mixture that is 90% water?

The answer has to be as a integer or as a decimal.

11/19/20

Math Please Hurry DUE AT 10:30 and i dont understand

in a florist shop, the ratio of roses to tulips is 5:3 . The shop has 72 tulips on friday morning. How will the ratio of roses tulips change if the florist uses half of each type of flower to fill... more

11/19/20

math assignment

Write an exponential function in the form y=abx that goes through points (0,2) and (3,128)

11/19/20

Simplify an expression.

Can someone check this work and let me know where I erred? My answer is not one of the selections on a quiz I am taking, and I am not sure where I made a mistake, or if my methodology is wrong.... more

11/19/20

Determine whether is defined. If it is​ defined, express the result as a single​ matrix; if it is​ not, say​ "not defined."

A= 0 3 -2 B= 4 1 0 C= 5 1 1 4 3 -3 6 -2 4 2 -3 6

11/19/20

Determine whether is defined. If it is​ defined, express the result as a single​ matrix; if it is​ not, say​ "not defined."

A=[0 4 -2] B=[6 1 0] [1 3 1] [-4 2 -5]all 6 numbers are supposed to be in one bracket but i could not type it.

11/19/20

Find the area between the curve y=cos(𝑥) and the x-axis, between x=0 and x=2π.

Find the area between the curve y=cos(𝑥) and the x-axis, between x = 0 and x = 2π. 4 0 π 2

Which of the following is a linear equation?

Which of the following is a linear equation? x + y = sin(π/6)y= 9x2xy = 8 x2 + y2 = 9

11/19/20

Find the slope of the line that passes through (64, -7) and (54, 67).

Simplify your answer and write it as a proper fraction, improper fraction, or integer.

can some please help me with a math problem?

determine the interest rate on a loan of $5400 if interest is compounded monthly for 72 months and finals of loan is $6965.35.list the values you used for present values, future values, number of... more

11/19/20

5 more than twice a number is -13

What is the answer? 5+x(2)=-13

11/19/20

algebra - expression to represent the radius of a circle

The area of a circle is represented by the expression (4x2 + 28x + 49) π. Write and expression to represent the radius if the circle.

11/18/20

What is the equation used to solve this problem? what is k equal to

Find the constant of variation k for the stated condition.A varies directly as the square of r, and A = 1386 when r = 21ive tried every equation i can think of and all the answers have come back... more

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