44 Answered Questions for the topic 9th Grade

9th Grade Math Geometry Geometry

11h

This since about geometry
Which of the following could be a mirror line on a coordinate plane?A (1, 1)B(0, 10)Cthe originDthe x-axis
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9th Grade Math Trigonometry

03/31/22

Math - Angle of Elevation and Depression
You are in the middle of an island hopping with your friends when water suddenly starts to enter the boat. You and your friends have to think of a fast way to be safe and you noticed that there’s a... more
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9th Grade Math Trigonometry

02/21/22

Find the values of the six trigonometric functions for each of the following indicated angles.
I put the question here ---> https://webwhiteboard.com/board/o1wrs165utVRxVUqiwepLJsnfwHhMUvi/
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02/10/22

Math - Problems Involving Quadratic Functions
PROBLEM A: Johnsen is standing on a 4ft-high wall and throw a ball into the air with an initial upward velocity of 40in/s. Its height h in inches after t seconds is given by the function... more
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9th Grade Math Algebra Functions

02/09/22

Math - Deriving Quadratic Equations and Functions
A. Determine the quadratic equation and function whose graph passes through the given coordinates in the table of... more
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02/08/22

Math - Trigonometry
The Covid-19 cases in Magnayon City are rapidly increasing day after day and you want to extend help and distribute the 72 boxes of relief goods in the four quarantine facilities in your area... more
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9th Grade Math Algebra

02/02/22

You know the time (T) it takes to build a bridge varies directly as the length (L) of the bridge and inversely to the number of workers (W) it takes 120 days to build a 20m bridge with 10 workers
A. Representation1. Using symbols2. Using equationB. What is the constant of variation?C. How long will it take to build the bridge if 2 workers will be out?1. If the length of the bridge will be... more
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11/05/21

Algebra 1, help please
find f(x)-g(x)f(x) = x2-5, g(x)= 3x2 + 4x-7
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9th Grade Algebra 1

11/04/21

Algebra 1 honors, help please!!
f(x)= 4x+x3 ; find f(-3)
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03/11/21

Solve each system by substitution
Solve each system by substitutionaly=5x-7y=-6x-7Solve each system by substitutionaly=3x+12y=-3x-18Solve each system by substitutionaly=6x-4y=-3x+5
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9th Grade Physics

12/17/20

What’s the claim of the experiment?
As mass increases, acceleration decreases. When I ran a cart down a track, I measured the acceleration to be 15m/s2. I added 5 grams to the cart, and the acceleration decreased to 10m/s2. Then, I... more
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12/09/20

Which reason for the fall of Rome do you believe is the most significant in the collapse of the empire, why
Which reason for the fall of Rome do you believe is the most significant in the collapse of the empire, why
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11/13/20

Farmington, New York, has plans for a new triangular park. If plotted on a coordinate grid, the vertices would be A(3, 3), B(5, −2), and C(−3, −1)
Farmington, New York, has plans for a new triangular park. If plotted on a coordinate grid, the vertices would be A(3, 3), B(5, −2), and C(−3, −1). However, a tract of land has become available... more
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09/19/20

Write Equation Given Linear Situation
Carter was given a box of assorted chocolates for his birthday. Each night, Carter treated himself to some chocolates. Carter ate 5 chocolates each night and there were originally 30 chocolates in... more
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9th Grade Math Geometry

09/18/20

You are given the two points A (1, 4) and B (13, y ). The two points are 13 units apart. What are two possible locations of point B ?
You are given the two points A (1, 4) and B (13, y ). The two points are 13 units apart. What are two possiblelocations of point B ? I'm really confused please help!
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9th Grade Math Algebra 1 Homework

06/05/20

What is the answer to this?
Solve the system by substitution. Tell whether the system has one solution, infinitely many solutions, or no solutions. 4x + 2y = 7 y = -2x + 3.5
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9th Grade Geometry

04/20/20

If a pair of lines are parallel and tangent to the same circle, what is the measure of the intercepted arc? Draw a picture

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9th Grade Math Algebra 2 Math 2

02/13/20

The endpoints of the diameter of a circle are at (-12, 14) and (6, 4). What is the location of the center of the circle?
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9th Grade Geometry

10/22/19

Help! Geometry!
Given ∠1 ≅ ∠2, finish the proof that m∠1=m∠5.Statement: ∠1 ≅ 2   Reason: Statement: ∠2 ≅ 5   Reason:Statement:         Reason: Transitive property of angle congruenceStatement: m∠1=m∠5 Reason: 
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9th Grade Math Algebra 1 Algebra

08/26/19

Algebra problem..Variables on both sides.. 8x - 7 = 3x - 7 + 5x
I always have trouble with these kinds T^T please help 🙏🏻 Thanks~~
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05/13/19

Car A has triple the mass and speed of Car B. What is the ratio of the kinetic energy of Car A to Car B?
A. 3B. 6C. 9D. 27
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9th Grade Math Math Problem

10/29/18

CUBICS MATH PROBLEM - How do I expand this cubic form?
The questions on the book says: 3. From the cubic form, give your answer in factor form and in expanded form My cubic function/form is: 2(x+1)2 (x-3) 1ST STEP: (solve the square, by re-writing the... more
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9th Grade Algebra1

10/28/18

how would i solve this and what method should i use?
A vehicle travels to Sioux Falls with a tailwind averaging 83 mph. Coming back against the same wind the vehicle averages 75 mph. Determine the speed of the vehicle in still air and the speed of... more
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9th Grade 9th Grade Algebra

09/10/18

How many hours are in 7 weeks?
In class we are Converting Units using Dimensional Analysis, and i need help with these questions.
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9th Grade Geometry Shapes

02/14/18

Finding the volume
The area of the rectangle is 56cm2. The rectangle is the base of a right prism. Find the volume of right prism if the height of the prism is x-2 cm. One long side of the rectangle is x+2 and a... more
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