MATHEMATICS MIDDLE SCHOOL

Find a weight in kilograms of 150 pound person round to the nearest hundred

Answers

Answer 1
Answer:

Answer:

68.04

Step-by-step explanation:

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A model of a rectangular table for a dollhouse is 13 inches long and 8 inches wide. The original table is 52 inches long and 32 inches wide. are the model table and the original table similar figures?
julian earns $13.50 per hour. His company deducts 23% of his pay each week for taxes. Julian uses the expression 0.77 ( 13.50h) to compute his earnings after taxes for the hours h he works. what will be his earnings after taxes, if he works 40 hour?
about 39/50 of Earth's atmosphere is made up of nitrogen. about what percent of the atmosphere is not nitrogen
Sam has 3 green apples and 4 red apple select the ratio of red apples that compares the number of red apples

50 POINTS!  Help me on 5 questions please! 10 POINTS PER QUESTION!

Answers

1)

If you have at least one solution, it is consistent.
If you have no solutions, it is inconsistent.

When you solve the system of equations, you will get x = -2/3 and y = 3.5. This shows us that the system of equations is independent.
If the system of equations was dependent, you would have gotten a final result like 0 = 0.

Your final answer is C) Consistent and independent.

2)
Coincident lines are lines that look exactly the same when graphed.
You can see this if you divide the second equation by 2.
8y + 2x = 4
Divide both sides by 2.
4y + x = 2

This is exactly like the first equation.

Your final answer is A) Coincident.

3)
We have coincident lines, again.
Coincident lines will have infinitely many solutions because any solution to one equation will also work in the second equation.

Your final answer is D) Infinitely many.

4)
We are dealing with coincident lines, again.
Both equations have to be simplified down to x + 3y = 5.

Obviously, we can see that the second equation is the first equation multiplied by 4. We can tell that because the first equation has x, and the second equation has 4x.

To find the remaining terms, multiply by 4.
x + 3y = 5

Multiply both sides by 4.
4x + 4(3y) = 4(5)
4x + 12y = 20

The missing values are, respectively, 12y and 20.

5)
Graph each line and use the information I have told you above to classify each system.
1) A) Consistent and independent.
2) B) Coincident.
3) C) Inconsistent.
4) C) Inconsistent.
1) Since the lines cross, they have one solution, which means the answer would be consistent and independent.

Answer: C) Consistent and independent.

2) A coincident system would mean that the points lie on the same line, which is what is here, so that would be the answer. 

Answer: A) Coincident.

3) These equations have infinitely many because they lie on the same line, and can have ANY solution. So...you could put any points and have a correct equation.

Answer: D) Infinitely many.

4) when x = 1, y = 3. 
So, multiply both by 4. 

3y * 4 = 12y
5*4 = 20

12y and 20 would be the answers

5) 
Consistent independent.
Coincident.
Inconsistent.
Inconsistent.

This is because the inconsistent would have a parallel line, and coincident would be when they lie on the same line, and consistent independent would be if they have one solution. 

Are the graphs of the lines in the pair parallel? Explain.
y = 3/7x+ 11 –3x + 7y = 13

Answers

Remember that parallel lines have the same slope.

y=3/7x+11 (in slope intercept form already)

-3x+7y=13 (standard form)

Add 3x to both sides, giving you 7y=3x+13, divide by 7 on both sides, giving 


y=3/7x+13/7

Since both equations' slopes' are the same, their graphs will be parallel.

The relationship between capacity

fluid ounces

Answers

Answer
Fluid ounce is a fraction of a capacity.

Explanation
Capacity is a term is define how much a container can hold a liquid. It is defined as the maximum amount of something that a container/object can contain.
Fluid ounce is a unit of capacity which is equal to one twentieth of a pint. Where a pint is a fraction of a litre which is approximately (28/100)of a litre.  

Round 47,125 to the nearest ten, to the nearest hundred, to the nearest thousand and to the nearest ten thousand

Answers

ten=47,126 hundred=47, thousand=47,000 10 thousand=50,000
tens: 47,130. hundred: 47,100. 10 thousand: 50,000.

Which question is being asked in this story problem? Mark set up tables for his party. Each table needed 6 chairs and 1 flower arrangement. It took him 2 hours to put up all 14 tables. Each table cost $5 and each chair cost $2 to rent. The flower arrangements cost $20 each. How much money did it cost Mark to rent the chairs for the party? A. How many chairs did Mark set up for the party? B. What was the cost to rent the tables and chairs for the party? C. What was the cost to rent all of the chairs needed for the party? D. What was the total cost for the flower arrangements for the party?

Answers

Answer:

Step-by-step explanation:

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The difference of twice a number (k) and 8 is 12​

Answers

Answer: k=2

Step-by-step explanation:

K^2+8=12

K^2=12-8

=4

K=sqrt(4)

=2

Check : 2^2+8=4+8=12
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