35 Answered Questions for the topic 9th Grade

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

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...
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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

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...
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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...
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#### 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!

#### 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

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

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:

#### Algebra problem..Variables on both sides.. 8x - 7 = 3x - 7 + 5x

I always have trouble with these kinds T^T please help 🙏🏻 Thanks~~

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

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...
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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...
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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.

#### 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...
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9th Grade Median

12/04/17

#### Jamie's scores 81, 75, 86, 98, and 92. After three more tests the median is 8. What is the greatest possible value of the lowers score on these 3 tests.

Median, 9th grade.

9th Grade

11/18/17

#### A discount store marks up the merchandise it sells by 55%. If the wholesale price of a particular item is $25, what should the retail price be set at?

nothing is as hard as this

10/26/17

#### What are the responsiblilites of power?

I have this question for my English. I sorta understand it but I need some help with it. Can you explain to me what responsibilities come with power??

9th Grade Word Problem

09/07/17

#### A building casts a shadow 48 feet long. At the same time, a 40 foot tall flagpole casts a shadow 9.6 feet long. What is the height of the building?

9th grade word problem

05/11/17

#### Solve the system of equations by graphing. Be sure to identify any solution

y = 2x + 1 Y = -4x + 7

02/13/17

#### how many of each type of ticket did you sell?

you are selling tickets for a high school ply. student tickets cost $4 and general admission tickets cost $6 . you sell 525 tickets and collect $2876.

9th Grade Math Help

02/08/17

#### Need help with a couple math problems.

Thanks for the help in advance :)))So basically im having some trouble, But i dont want to just know how to do it i want to know how its done if i got it wrong.. So i have a couple math problems...
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#### FInd the error in the solution and then solve correctly:

9x+18+3x=1
9x+18=(-2)
9x=(-20)
x= (-20/9)

07/12/16

#### guide/heavy metal: homonym/homograph

i really cant think of the word for these 2 neither can i for the other question

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