MATHEMATICS MIDDLE SCHOOL

What is the equation to x-13=49?

Answers

Answer 1
Answer: you have to change the -13 to +13
x-13=49
x=13+49
x=62

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Marnie purchased a dining room table and 6 chairs for $1,860.00 before discount and taxes. Kristen purchased a queen bed, dresser, 2 night stands, and a chest of drawers for $5,775.00 before discount and taxes. The tax rate is 8.2%. After taxes, received the greater percent decrease of % because of the sale. The difference between the percent decrease that each shopper received after taxes is %.

Answers

Marniepurchased a dining room table and 6 chairs
=> costs 1 860.00 dollars before the discount and taxes.
Kristen purchased a queen bed, dresser and 2 night stand and a chest of drawer
=> Costs 5 775.00 dollars before discount and taxes.
Tax Rate = 8.2%
Marnie:
=> 1 860.00 x .082 = 152.52 dollars
=> 1860 + 152.20 = 2012.52 dollars
Kristen:
=> 5775.00 x 0.082 = 473.55
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Show one way to count from $82 to $512

Answers

First way:
The easiest and simplest way is to count by 1 starting from 82 till you reach 512.
This will go as follows:
82, 83, 84, 85, ........... , 510, 511, 512

Second way:
We can note that the two given numbers are even numbers. This means that the two numbers are divisible by 2.
Therefore, we can count by 2 starting from 82 till we reach 512.
This will go as follows:
82, 84, 86, 88, ................... , 508, 510, 512

Third way:
We can note that the units digit in both numbers is the same (the digit is 2). This means that we can count from 82 till 512 by adding 10 each time.
This will go as follows:
82, 92, 102, 112, ......................, 492, 502, 512

Hope this helps :)

Final answer:

You can count from $82 to $512 by first adding 10, then adding 100 several times, and finally adding 20. This method uses large increments to make the counting faster and easier.

Explanation:

To count from $82 to $512 in an easy manner, you can use regular increments. An efficient way would be to add 10 each time until you reach $92, then switch to adding $100 each time. Here's a step-by-step breakdown:

  1. Start at $82.
  2. Add 10 to get $92.
  3. Add 100 to get $192.
  4. Add 100 again to get $292.
  5. Add 100 once more to get $392.
  6. Add another 100 to get $492.
  7. Finally, add 20 to get $512.

This way, you've counted from $82 to $512 using mostly large increments, which makes the counting faster and easier.

Learn more about Number Counting here:

brainly.com/question/40666881

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Simplify the expression: (7 +9i)(8 - 10i)

56 + 2i + 90
56 + 2i – 90i^2
97 + 72i
146 + 2i​

Answers

The answer is 146+2i

ur welcome

On a 4 1 2 hour trip, Leslie drove 2 3 of the time. For how many hours did Leslie drive?

Answers

Answer:

She drove 3 hours

Step-by-step explanation:

Leslie drove 2/3 of the 4 1/2 hours trip.  To determine how long she drove, multiply these numbers together.

2/3 * 4 1/2

We need to change the second number to an improper fraction

4 1/2 = (2*4 +1)/2 = 9/2


2/3 * 9/2 = 9/3 = 3


She drove 3 hours

A boy runs 9/10 of a mile in 5 minutes. How many miles does he run in 1 minute?

Answers

I think since the boy runs 9/10 in 5 minutes you are supposed to times that by 12 because if you count by fives the number 60 stops at 12 so times that then you will get 108/10 then simplify it then it will be 10 8/10

What two numbers multiply to make negative 33 and add to make 2

Answers

the answer to that is 11x3=33 not a negative but I do know that you can make a negative 33 with 33 and 4 if you just divide those.......... So yeah theres your answer
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