MATHEMATICS MIDDLE SCHOOL

Which of the following stanements shows the inverse property of addition?1 y=y
Oy+y= 2 y
Oy+ (-) = 0
Oy+ 0 = y

Answers

Answer 1
Answer:

Answer:

0\cdot \:y+\left(-0\cdot \:y\right)=0  the  statement shows the inverse property of addition as the sum of a number and its inverse is zero.

Step-by-step explanation:

As we know that Inverse Property of Addition states if you add any number to its opposite, the result will be zero.

For example, 13 + (-13) = 0 shows that -13 is the additive inverse of 13.

In other words, the sum of a number and its inverse is zero.

Now checking from the available options,

0y+\left(-0y\right)

\mathrm{Remove\:parentheses}:\quad \left(-a\right)=-a

=0\cdot \:y-0\cdot \:y

\mathrm{Add\:similar\:elements:}\:0\cdot \:y-0\cdot \:y=0

=0

Thus,

0\cdot \:y+\left(-0\cdot \:y\right)=0

Therefore, 0\cdot \:y+\left(-0\cdot \:y\right)=0  the  statement shows the inverse property of addition as the sum of a number and its inverse is zero.

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X squared=2y make X the subject

Answers


x² = 2y

x= √2y

Hope this helps. I don't think you can simplify it any further but I would just check just in case ;)

What is the answer to 7/8 x 1/7

Answers

7/8* 1/7
= 1/8 (because 7 and 7 cancel out)

The final answer is 1/8~
the answer is 7 over 56 (7/56)

A football team has four chances with the ball to gain ten yards and keep going to try to make a touchdown. A team gained 7 yards, lost 2, gained 4, and lost 1.

Answers

7 - 2 = 5

5 + 4 = 9

9 - 1 = 8

Sp the total yards they moved was 8 yards.

Hope I helped ya! 
So, if losing yards represented by negatives and gaining yards is represented by positives, the equasion whould look like this:
7+(-2)+4+(-1)

The assosiative property tells us that we can group numbers together, like this:
7+4+(-2)+(-1)

And if it helps, add parentheses like this:

(7+4)+(-2)+(-1)

And solve those first:
(11)+(-2)+(-1)

And solve -2+-1
(11)+(-3)

And that equals:
-8

Hope this helps you out!

Frank increased his score on his English assignment from 12 points to 18 points

Answers

Frank increased his score by 6 points. 
That was a 50% improvement.
Hey There!

Frank increased the score on his english assignment by 6 points, to find the answer subtract 18-12=6.

Thus, he changed his score by 6 points

Thank You!

Adam saved 35% of the of the 400 dollar he needs to save to buy a bike. How much money has Adam saved so far?

Answers

First write the relationship in words: "What number is 35% of 400?" 

Then write an equation to represent this relationship: x = 35\% * 400 or, written another way x = 0.35*400

And then solve:
x=0.35*400=140

Then answer the question: "Adam has saved $140."  

The table shows the times it took four runners to finish a 400 meter race.Runner K-2 MINUTES 5SEC
Runner L-1 MINUTE 44SEC
Runner M-2MINUTES 15 SEC
Runner N-1 MIN 52 SEC

WHICH RUNNER HAD THE HIGHEST AVERAGE SPEED?

Answers

Runner L had the highest average speed
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