MATHEMATICS MIDDLE SCHOOL

Solve for x.
7x + 17 = 3x + 21

Answers

Answer 1
Answer:

Answer:

x equals 1

combine the terms

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Help me on this word problem plz. So it is... It costs $2.50 to rent bowling shoes. Each game costs $2.25. You have $9.25. How many games can you bowl?

So you have to write the equation with a variable and then solve for that variable.

Answers

 2.50 + 2.25g = 9.25 First subtract 2.50 on both side 
-2.50               -2.50 
           2.25g = 6.75 
           2.25      2.25
                g = 3 You can bowl 3 games

10+-2f^2+-6+7+-2f^2+-9f

Answers

10+-2f^2+-6+7+-2f^2+-9f = 10-2f^2 -6+7-2f^2 -9f \n\n= -2f^2 -2f^2 -9f+10-6+7= \boxed {-4f^2 -9f +11}
10+(-2f^(2))+(-6)+7+(-2f^(2))+(-9f)=10-2f^2+1-2f^2-9f

-4f^2-9f+11=-(4f^2+9f-11)

Which number would you put in a frequency table to show 8

Answers

well 2x4 would = 8 so you would have to put 2 and 4

Final answer:

A frequency table lists numbers and their occurrences within a set of data. If '8' shows up in your data, you would put it in the frequency table alongside the number of times it appears.

Explanation:

A frequency table is a helpful tool in statistics. It's a type of tally chart that shows how often different numbers or items occur in a set of data. If the number '8' appears in your data, you would place it in the frequency table alongside the number of times it appears.

For example, if the number '8' appeared three times in your data, your frequency table might look something like this:

  • Number: 8
  • Frequency: 3

This shows that the number '8' has a frequency of 3 in your data set.

Learn more about Frequency Table here:

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A golfer hits a ball from a starting elevation of 5 feet with a velocity of 70 feet per seconddown to a green with an elevation of -4 feet. The number of seconds t it takes the ball to
hit the green can be represented by the equation - 16t2 + 706 + 5 = -4. How long does it
take the ball to land on the green?
It takes the ball |
seconds to land on the green.

Answers

Answer:

Time, t = 4.5 s

Step-by-step explanation:

The number of seconds t it takes the ball to  hit the green can be represented by the equation :

-16t^2 + 70t + 5 = -4

It means that the initial velocity is 70 ft/s. The above equation becomes:

-16t^2 + 70t + 9=0

It is required to find the time taken by the ball to land on the ground. It is a quadratic equation. The solution of quadratic equation is given by :

t=(-b\pm √(b^2-4ac) )/(2a)\n\nt=(-b+ √(b^2-4ac) )/(2a),(-b- √(b^2-4ac) )/(2a)\n\nt=(-70+ √((70)^2-4* (-16)(9)) )/(2(-16)), \frac{-70-\sqrt{(70)^(2)-4*(-16)(9)}}{2(-16)}

t = −0.125 and t = 4.5 s

Time cannot be negative. So, the time taken by the ball to land on the ground is 4.5 seconds.

What is 743×295 in standard algorithm

Answers

 when your multipying in algorithm is going to have a lot of steps 
the last 2 digets is 3and 5 so multpy witch will equal 15 5 goes on the bottem and your 1 goes ontop of 4 ect... 743x295=219185

Final answer:

The product of 743 and 295 computed using the standard multiplication algorithm is 219035.

Explanation:

The multiplication question is asking for the product of the numbers 743 and 295. We can solve this by using the standard algorithm of multiplication, which follows these steps:

  1. Setup the multiplication problem with 743 on top and 295 below.
  2. Start with the digit in the ones position in the bottom number, which is 5. Multiply 5 by each digit in the top number, placing the result below the line on the right.
  3. Move to the digit in the tens position in the bottom number, which is 9. Multiply 9 by each digit in the top number, then place the result below the line on the left. Remember to include a 0 in the ones place this time as we are working with tens.
  4. Repeat the last step for the hundreds place. In this case, 2 is in hundreds place so, we multiply 2 by every digit in the top number. Remember to include two 0s at the end as we are working with hundreds.
  5. Add up the results and you have your answer.

If you follow these steps correctly, the product you obtain should be 219035.

Learn more about standard algorithm multiplication here:

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• An 80-ounce bottle of apple juice contains 32 ounces of water. A 64-ounce bottle oforange juice has 48 ounces of water. Which juice has a greater percent of water?

Answers

Orange juice has a greater percent of water

Answer:

Step-by-step explanation:
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