roboo2

-2x2

10 months ago

13+-4

10 months ago

Keep going. We’re trying to get b alone on one side and a constant alone on the other. We can make a balanced move so that the b terms are only on one side. We have −2b+9 on the left. What move can we make to get rid of −2b on the left, so that all the b...

10 months ago

-2b+9+2b

10 months ago

6b-7+2b

10 months ago

13−2(b+2) = 6b−7 13−2b−4 = 6b−7 −2b + 9 = 6b − 7 + 2b + 2b 9 = 8b−7 b =

10 months ago

There are many ways you could solve this equation. One way you can start is by rewriting the expression on the left to make it easier to work with. How can you rewrite the fraction on the left to make it easier to work with, without changing its value? 2(...

10 months ago

which of the following political trends during the Gilded Age? A. The rise of populism, focused on bimetallism and a graduated income tax. B. The rise of urban politics, which changed from the Jeffersonian agrarian ideal. C. The rise of liberalism, define...

10 months ago

Part A Multiple Choice Question Using Source 3, which reason best explains why farmers and industrial workers supported the Populist Party? A. to persuade the national labor unions to support the gold standard B. to limit corporations from controlling the...

10 months ago

Part A Multiple Choice Question What was the goal of the Progressive Movement? A. oppose the spread of communism in the U.S. B. bring about political and social reforms in the nation C. put an end to federal income taxes on corporations D. unify popular s...

10 months ago

which group most likely opposed the Progressive reform efforts of Governor Parker? A. tenant farmers and sharecroppers in rural areas B. owners of large utility companies and drilling interests C. dockworkers in New Orleans and other port cities D. suppor...

10 months ago

What is the solution to this equation? You can choose to show your work below or solve on paper. 5(x+2) = 2x+19 x =

10 months ago

Now, let’s focus on the right side. Evaluate the expression on the right side of the equation. 5(x+2) = 2x+19 5(3+2) = 2(3)+19 5(5) = 2(3)+19 25 = ?

10 months ago

Start by substituting 2 for x in the equation. x + 1 = x + 1 ?+ 1 = ? + 1

10 months ago

x+1 = x+1 ?+1 = ?+1

10 months ago

x + 1 = x + 1 ? + 1 = ? + 1

10 months ago

Finally, look at 100. Start by substituting 100 for x in the equation. x + 1 = x + 1 ? + 1 = ? + 1

10 months ago

Which of these equations has an infinite number of solutions? In other words, if you substitute any value for x, which equation will always be true? x−2=8 x−5=x−5 4x=12

10 months ago

Now, let’s think about -3. Start by substituting -3 for x in the equation. x = x + 1 ? = ? + 1

10 months ago

Let’s try to isolate the variable, x. Since there are x terms on both sides of the equation, let’s get rid of the x term from one of the sides. What move can you make to get rid of the x on the left side of the equation while keeping the equation balanced...

10 months ago

Let's make balanced moves to try to isolate x. Right now, one of the x terms is inside the parentheses on the left side. So, let’s start by getting rid of the parentheses. One way to do this is to distribute the 4 to the x and to the 2. You can think of t...

10 months ago

Subtract 4x from each side to rewrite the equation. 4(x+2) = 4x+2 4x + 8 = 4x + 2 −4x −4x =?

10 months ago

You’re trying to find how many solutions the equation 3(x+12)=3x+4 has. Let’s start by getting rid of the parentheses. One way to do that is to divide both sides by the factor in front of the parentheses, 3. That step has been recorded for you. Now keep g...

10 months ago

Let’s solve this equation step by step. You’re trying to get rid of the parentheses on the left by distributing the 1/2 to the 6x and to the 2 1/2(6x + 2) = 3x ? + ? = 3x

10 months ago

subtract 3x from each side to rewrite the equation. 1/2(6x + 2) = 3x 3x + 1 = 3x -3 = -3 ? = ?

10 months ago

How many solutions does this equation have? Solve on paper and enter your answer on Zearn. 4(x−5)=20−x A.One solution B.Infinitely many solutions C.No solutions

10 months ago

Divide both sides of the equation by 2 to find the value of x. 12 divided by 2 = 2x divided by 2 ? = ?

10 months ago

How many solutions does this equation have 18 divided by 3 = 3x divided by 3 ? = ?

10 months ago

First, let’s try to isolate the variable, x. There are x terms on both sides of the equation. One way you could solve is to get rid of the x term from one of the sides. What move can you make to get rid of the 5x on the right side of the equation while ke...

10 months ago

First, let’s try to isolate the variable, x. One of the x terms is inside the parentheses on the left. So, let’s start by getting rid of the parentheses to make this equation easier to work with. One way to do this is to distribute the 2 to the x and to t...

10 months ago

There are x terms on both sides of the equation, and we’re trying to isolate x. Let’s get rid of the x term from one of the sides. What move could we make to get rid of the 4x on the right side while keeping the equation balanced? 4(x−2) = 4x−6 4x − 8 = 4...

10 months ago

How many solutions does this equation have? Solve on paper and enter your answer on Zearn. 6x = 1/6 (36x+6) A.No solutions B.One solution C.Infinitely many solutions

10 months ago

Let’s make moves to try to isolate the variable x, or get x alone on one side of the equation. There are many ways that you could start. For this problem, start by rewriting the left side to get rid of the parentheses. Distribute the 4 and rewrite the lef...

10 months ago

Let’s keep going. We have x terms on both sides of the equation, and we’re trying to isolate x. Let's try to get rid of the x term on one of the sides. What move could you make to get rid of the 8x on the left while keeping the equation balanced? 4(2x−2)+...

10 months ago

We’re trying to get x alone on one side of the equation, but right now x is inside the parentheses on the right side of the equation. Let’s start by making this equation easier to work with. How can we rewrite the right side of the equation to get rid of...

10 months ago

We can distribute the 2 to rewrite the right side of the equation without parentheses. What is (2·4x)+(2·3)? 3x+5x+6 =2(4x+3) 3x+5x+6= ? + ?

10 months ago

We still have x terms on both sides of the equation, and we’re trying to isolate x. Let's try to get rid of the x term on one of the sides. What move could you make to get rid of the 8x on the left while keeping the equation balanced? 3x+5x+ 6=2(4x+3) 3x+...

10 months ago

Subtract 8x from both sides of the equation and rewrite the remaining values. 3x+5x+6 = 2(4x+3) 3x+5x+6 = 8x+6 8x + 6 = 8x + 6 −8x −8x ? = ?

10 months ago

We’re trying to make balanced moves to get closer to isolating x, but right now x is inside the parentheses on the left. How could we rewrite the left side of the equation without parentheses so that it’s easier to work with? 5(2x+4)=7x+3x+4 Subtract 5 fr...

10 months ago

Let’s keep going. Look at the right side of the equation. We have two x terms, 7x+3x, and 4 more. How could you rewrite the right side of the equation to combine like terms? 5(2x + 4) = 7x+3x+4 10x + 20 = 7x+3x+4 Combine the like terms, 7x+3x Add 3x and 4...

10 months ago

How many solutions does this equation have? 5(2x + 4) = 7x + 3x + 4 10x + 20 = 7x + 3x + 4 10x + 20 = 10x + 4 There are infinitely many solutions to this equation. There are no solutions to this equation. There is no way to know how many solutions there a...

10 months ago

Let's make balanced moves to get closer to isolating x. Right now, x is inside the parentheses on the left and right sides. Let’s start by looking at the left side. How could we rewrite the left side of the equation without parentheses so that it’s easier...

10 months ago

We can distribute the 3 to rewrite the right side of the equation without parentheses. What is (3·2x)+(3·3)? 1/4 (24x+36) = 3(2x+3) 6x+9 = 3(2x+3) 6x+9 = ? + ?

10 months ago

Now that you've rewritten both sides of the equation without parentheses, take a look. How many solutions does this equation have? 1/4 (24x+36) = 3(2x+3) 6x+9 = 3(2x+3) 6x+9 = ? + ?

10 months ago

There are a few ways you could figure out how many solutions this equation has. Here, the x terms on the left and right sides are different. To try to isolate the variable x, you could eliminate the x term from one of the sides. What move can you make to...

10 months ago

Subtract 4x from both sides and rewrite the remaining values. 6x − 6 = 4x − 2 −4x −4x ? = ?

10 months ago

2x−6 = −2 x=

10 months ago

You just performed balanced moves to isolate x, and found that x=2. How many solutions does this equation have? 6x − 6 = 4x − 2 −4x −4x 2x−6 = -2 x = 2 No solutions One solution Infinitely many solutions

10 months ago

Let’s keep going. We have 6x on the left and 5x on the right, and we’re trying to isolate x. Let’s try to get rid of the x term on one of the sides. What move could we make to get rid of the 5x on the right while keeping the equation balanced? 6x+3 = 5(x+...

10 months ago

Now that we have all the x terms on the left, we can solve for the value of x. Think about what you could do to each side so that x is isolated on the left side of the equation. Then, rewrite the equation to solve for x. 6x+3 = 5(x+3) 6x + 3 = 5x + 15 −5x...

10 months ago

6x+3 = 5(x+3) You just performed balanced moves to try to isolate x, and ended up with x=12. How many solutions does this equation have? 6x + 3 = 5x + 15 −5x − 5x x+3 = 15 x=12

10 months ago

First, let’s try to isolate the variable, x. Right now, x is inside the parentheses on the left. How could we rewrite the left side of the equation without parentheses so that it’s easier to work with? 2(4x+5) = 10x+2 Distribute the 2 to the 4x and to the...

10 months ago

We can distribute the 2 to rewrite the left side of the equation without parentheses. You can think of this as (2·4x)+(2·5). Rewrite the left side. 2(4x+5) = 10x+2 ? + ? = 10x+2

10 months ago

First, let’s try to isolate the variable, x. Right now, x is inside parentheses on the left and right sides. Start by looking at the left side. How could we rewrite the left side of the equation without parentheses so that it’s easier to work with? 4(2x+4...

10 months ago

Now, look at the right side. How could we rewrite the right side of the equation without parentheses so that it’s easier to work with? 4(2x+4) = 2 1 ​ (16x+24) 8x+16 = 2 1 ​ (16x+24) Add 24 to each side Add 16x to each side Distribute the 2 1 ​ to the 16x...

10 months ago

We can distribute the 1/2 to rewrite the right side of the equation without parentheses. You can think of this as ( 1/2 ·16x)+( 1/2 ·24). Rewrite the right side. 4(2x+4) = 1/2(16x+24) 8x+16 = 1/2 (16x+24) 8x + 16 = ? + ?

10 months ago

3·(−6)=

10 months ago

Select the number line that represents 5 • (−3). You can think of 5 • (−3) as 5 groups of −3. Number line showing 5 arrows back to back pointing right. The first arrow starts at 0. Each arrow has a value of positive 3. Number line showing 5 arrows back to...

10 months ago

5 • (−3) =

10 months ago

Let’s write an expression to represent the number of liters left in Tank A after t minutes, where t represents the number of minutes. We’ll go step by step. How much water starts in Tank A? Tank A starts with 400 liters leaking 3 liters per minute ? + ? T...

10 months ago

Write an expression to represent the number of liters in Tank B after t minutes, where t represents the number of minutes. Tank A starts with 400 liters leaking 3 liters per minute 400+(−3t) Tank B starts with 180 liters filling 5 liters per minute

10 months ago

Complete the table to show how many liters of water will be in each tank after 10, 20, and 30 minutes. You can use the calculator to help you solve. Keep in mind, the number of minutes is represented by the variable t. Tank A Liters in Tank A after t minu...

10 months ago

We’re trying to find when the two tanks will have the same amount of water. You can set the expressions for Tank A and Tank B equal to one another to write an equation that represents the two tanks having an equal amount of water. Do that now. Tank A Lite...

10 months ago

400+−3t = 180+5t t=?

10 months ago

We just found that t=27.5. That means the two tanks have an equal amount of water after 27.5 minutes. Now, let's find how much water is in the tanks at that time. Start by substituting 27.5 minutes for t in the expression for Tank A. Tank A Liters in Tank...

10 months ago

Now, let's find how much water is in Tank B after 27.5 minutes. Start by substituting 27.5 minutes for t in the expression for Tank B. Tank B Liters in Tank B after t minutes:180+5t 180+5· ?

10 months ago

What is the starting temperature at each station at midnight? Station A starts at a temperature of degrees Fahrenheit. Station B starts at a temperature of degrees Fahrenheit.

10 months ago

A meteorologist recorded the temperatures at two weather stations in Montana. At midnight, the temperature at Station A was -8 degrees Fahrenheit, and it increased at a constant rate of 3 degrees per hour. At midnight, the temperature at Station B was -2...

10 months ago

Station A Temperature at Station A after x hours: −8+3x −8+3·=?

10 months ago

We just found that x=6. That means the two stations will be the same temperature after 6 hours. Now, let's find what the temperature will be at that time. Start by substituting 6 hours for x in the expression for Station A. Station A Temperature at Statio...

10 months ago

A tank starts with 300 liters of water. It is being drained at a rate of 3 liters of water per minute. The variable t represents the time in minutes. Write an expression to represent the amount of water in the tank after t minutes.

10 months ago

How many liters of water will be in the tank after 20 minutes? You can substitute 20 minutes for t in the expression to solve. Liters in the tank after t minutes: 300+(−3t) After 20 minutes, there will be ? liters of water in the tank.

10 months ago

Christian and Jillian are hiking. Christian starts at an elevation of 375 feet, and is hiking down a mountain at a rate of 5 feet per minute, so his elevation is decreasing 5 feet every minute. At the same time, Jillian starts at an elevation of 25 feet a...

10 months ago

375+(−5t) = 25+2t t=

10 months ago

Jon and Joey are hiking. Jon starts at an elevation of 225 feet, and is hiking down a mountain at a rate of 10 feet per minute, so his elevation is decreasing 10 feet every minute. At the same time, Joey starts at an elevation of 50 feet and is hiking up...

10 months ago

225+(−10t) = 50+15t t= ?

10 months ago

Plant A starts at a height 25 cm tall and grows at a rate of 8 cm per month. At the same time, Plant B starts at a height of 10 cm and grows at a rate of 13 cm per month. Use the variable t to represent the number of months. If the plants continue to grow...

10 months ago

25+8t = 10+13t t=

10 months ago

Tank A starts with 280 liters of water. It has a leak and is losing water at a rate of 2 liters of water per minute. At the same time, Tank B starts with 390 liters of water and also has a leak. It is losing water at a rate of 12 liters per minute. The va...

10 months ago

4·(−3) =

10 months ago