Which equation demonstrates the opposite of a sum property? A. (22 + 10) + 3 = (10 + 22) + 3 B. –5 + 13 = 13 + (–5) C. (12 + (–4)) + 14 = 12 + ((–4) + 14) D. –(–6 + 17) = 6 + (–17)

Answers

Answer 1
Answer: For all real numbers a and b,
-(a+b)=(-a)+(-b)
The opposite of a sum of real numbers is equal to the sum of the opposites 

D.
–(–6 + 17) = 6 + (–17)

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Unit form and standard form for 5 hundreds x 10
16. A clerk is marking up merchandise 28%The original price of an item is $499.What will be the retail price?
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Plz help. Thank you!

Answers

The new surface area will be 9 times the old surface area.

So A or #1

isabel earned 350 points while she was playing blasting robot. isabel's mom earned 3 times as many points as isabel. how many points did isabel's mom earn?

Answers

Isabel's mom earned 1050 (350*3)
it would be 750 points . you can add 350+350+350=750. You could also multiply 350 times 3. You would also get the same answer which is 750.

An animal shelter has 9/10 of crates filled with animals.1/2 of the crates are holding dogs . What fraction of total number of crates are holding digs

Answers

Answer: 9/20

Step-by-step explanation:

9/10 is given as the fraction of the crates filled with animals , 1/2 of this fraction holds dog , that is

1/2 of 9/10

= 1/2 x 9/10

= 9/20

Therefore the fraction of the total number of crates holding dog is 9/20

I think it is 9/20 hope this helps

This question needs to be answered fast! Please help!

Answers

between 2 and 6 means the set is more than 2 and less than 6
x is the set
x>2 and x<6
2<x and x<6
2<x<6

it is wrong that they wrote
2>x>6, means x is les than 2 and greater than 6
no solution



correct way is 2<x<6
 

The temperature dropped 2 degrees every hour for 6 hours what was the total number of degrees the temperature changes in he 6 hours

Answers

12 degree difference 
drops 2 degrees per hour for 6 hours 


Which of the following shows the sum of the polynomials −3x2+3y2+4x and 4x2−4y+2? A. −3x2+3y2+4x+4x2−4y+2 B. −x2+3y2+4x−4y+2 C. x2+3y2+4x−4y+2 D. 7x2+3y2+4x+4x2−4y+2

Answers

D. 7x2+3y2+4x+4x2−4y+2 is your correct answer

-3x² + 3y² + 4x  + 4x² - 4y + 2

Add like terms.

x² + 3y² + 4x - 4y + 2

So the answer is D.