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Post New Question
All Questions
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234802 Questions
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1135
1
What is the quadratic regression equation for the data set?
Use a graphing calculator or other technology to answer the question. Which quadratic regression equation best fits the data set? yˆ=2.608x2−115.265x+1568.065
yˆ=1568.065x2−115.265x+2.608
yˆ=1568.065x2+115.265x+2.608
yˆ=2.608x2+115.265x+1568.065
read more ..
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Guest
Mar 1, 2021
0
351
1
coordinates
Find the perimeter of a trapezoid with vertices located at L(1,4), M(-2,0), N(7,0), and Q(3,4). Round your answer to the nearest hundredth when necessary.
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Guest
Mar 1, 2021
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353
1
find the area
Find the area.
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Guest
Mar 1, 2021
0
922
2
helpp
Madison went to the grocery store and purchased cans of soup and frozen dinners. Each can of soup has 500 mg of sodium and each frozen dinner has 700 mg of sodium. Madison purchased 2 more frozen dinners than cans of soup and they all collectively contain
read more ..
swag123456
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Guest
Mar 1, 2021
0
375
1
direct variation
If y varies directly with x, and y is 12 when x is 8, find y when x is 9.
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Guest
Mar 1, 2021
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471
0
A marching band performs on the football field at half-time
A marching band performs on the football field at half-time. As they perform, the members of the band stand in the shape of a sinusoidal function. While playing, they move, but still maintain the sinusoidal function, transforming it in different ways.
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Guest
Mar 1, 2021
0
532
2
+328
some probability problems
1. An urn contains 6 red, 5 blue and 2 green marbles. If2marbles are picked at random,what is the probability that both are red?
2. At an ice-breaker event, ten people are randomly assigned to seats at a round table. Patrick
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Potatobird
Mar 1, 2021
0
1681
1
need help with this
A Ferris wheel has a 44-foot radius and the center of the Ferris wheel is 50 feet above the ground. The Ferris wheel rotates in the CCW direction at a constant angular speed of 3 radians per minute. Josh boards the Ferris wheel at the 3-o'clock position
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ElectricPavlov
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Guest
Mar 1, 2021
0
474
1
+195
plz help
Assume that $f(3) = 4$. Name a point that must be on the graph of $y=f(x)+4$.
ElectricPavlov
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QuestionMachine
Mar 1, 2021
0
442
1
+195
Halp
Below is a portion of the graph of a function, $y=u(x)$:
What is the exact value of $u(-2.72)+u(-0.81)+u(0.81)+u(2.72)$ ?
<
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QuestionMachine
Mar 1, 2021
0
372
2
help algebra
Find the value(s) or range of values of k for which
(a) the line y = kx - 5 is tangent to the curve x^2 = 2y + 1.
(b) the line x + 3y = k - 1 intersect the curve y^2 = 2x + 5.
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Guest
Mar 1, 2021
0
790
1
+195
The graph of $y = f(x)$ is shown below, in red. Find the equation that corresponds to the blue graph.
The graph of $y = f(x)$ is shown below, in red. Find the equation that corresponds to the blue graph.
Enter your answer in the form
read more ..
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QuestionMachine
Mar 1, 2021
+1
737
1
+62
math problem
What is the least positive integer divisible by each of the first eight positive integers
ElectricPavlov
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MysticBoba
Mar 1, 2021
0
350
1
Help please!
The first term of a sequence is 13. Starting with the second term, each term is the sum of the cubes of the digits in the previous term. For example, the second term is Find the 100th term.
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Guest
Mar 1, 2021
0
542
2
Math
Rick's cat weighs 5 pounds. His neighbor says her puppy weighs 90 ounces. Does Rick's cat weigh more than the puppy? 1 pound = 16 ounces what does Rick's cat weighs ounces.
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Guest
Mar 1, 2021
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344
1
3d geometry
Find the surface area of this rectangular pyramid.
ElectricPavlov
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Guest
Mar 1, 2021
0
469
1
3d geometry
Arianna has a tent for her dollhouse. What is the surface area of the tent?
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Guest
Mar 1, 2021
0
662
1
H varies directly as L. If H=25 when L=50 determine H when L=10
H varies directly as L. If H=25 when L=50 determine H when L=10
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Guest
Mar 1, 2021
0
303
1
Geometry Help
Let G be the center of equilateral triangle XYZ. A dilation centered at G with scale factor -4/3 is applied to triangle XYZ to obtain triangle X'Y'Z' Let A be the area of the region that is contained in both triangles XYZ and X'Y'Z' Find A/[XYZ].
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Guest
Mar 1, 2021
0
365
1
parabola graph
A parabola has zeros at -6 and 10. Its vertex is located at (2, 16). Determine the equation of the quadratic in factored form.
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Guest
Mar 1, 2021
0
455
1
average
The average age of a group of 25 girls is 10 years. If one girl aged 12 years and 4 months joins the group, find, correct to one decimal place, the new average age of the group.
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Guest
Mar 1, 2021
0
461
1
What is the 4 letter code?
Can you solve the inequalities and type the correct code?
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Guest
Mar 1, 2021
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