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Mrac [35]
3 years ago
6

Wich describes the number sentence? 8+0=8 A odd+ odd= odd. Identity property of addition c even +even =even d commutative proper

ty of addition
Mathematics
2 answers:
lilavasa [31]3 years ago
8 0
8 + 0 = 8

This would be the identity property of addition. The identity property of addition says that whenever you add a number and zero, it will equal the first number.
Fed [463]3 years ago
7 0

What best described the number sentence 8 + 0 = 8 is the identity property of addition.  

According to the identity property of additions, the sum of 0 and any number is that number.  

<h3>Further Explanation</h3>

In mathematical addition, identity has different meanings. Identity in math primarily means the number that when added to another number would give the same number. Mostly added identity is zero (0).

This also explains the identity property of additions which state that whenever an individual add zero to any number, it will always be equal to the number added to it.

There are some vocabulary that are related to additions. These vocabulary are "addends" and "sum". When two or more numbers are added together, it is called addends and a sum is what you get when two or more addends are added together.

In a case that you add the numbers 8 + 0, the sum of this is 8. The rule says addend 8 didn’t have to change its identity when it is added with 0. But we will get a different sum if we add another number different from 0 to 8.  

These are examples of identity property of additions.

19 + 0 =19

175 + 0 = 175

-20  + 0 = -20 etc

LEARN MORE:

  • Identity Property of Addition brainly.com/question/573368

KEYWORDS:

  • identity property of addition
  • addends
  • sum
  • addition rules
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Easy math not easy for me though help me help me
White raven [17]
The answer is -13
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and -13 stays as it is
7 0
2 years ago
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Given: AABC-ADEF
Jlenok [28]
The answer is B because those triangles are congruent
3 0
2 years ago
8.) A line passes through the points (k, 4) and (3, -6). The line is perpendicular to
amm1812

Answer:

K = 43

Step-by-step explanation:

We'll begin by determining the gradient of the equation 5y + 4x = 8. This can be obtained as follow:

5y + 4x = 8

Rearrange

5y = 8 – 4x

5y = –4x + 8

Comparing 5y = –4x + 8 with y = mx + c, the gradient m is –4

Next, we shall determine the gradient of the line perpendicular to the line with equation 5y = 8 – 4x.

This can be obtained as follow:

For perpendicular lines, their gradient is given by:

m1 × m2 = – 1

With the above formula, we can obtain the gradient of the line as follow:

m1 × m2 = – 1

m1 = –4

–4 × m2 = – 1

Divide both side by –4

m2 = –1/–4

m2 = 1/4

Finally, we shall determine the value of k as follow:

Coordinate => (k, 4) and (3, –6)

x1 coordinate = k

y1 coordinate = 4

x2 coordinate = 3

y2 coordinate = –6

Gradient (m) = 1/4

m = (y2 – y1) / (x2 – x1)

1/4 = (–6 – 4) / (3 – K)

1/4 = –10 /(3 – K)

Cross multiply

3 – K = 4 × –10

3 – K = –40

Collect like terms

– K = – 40 –3

–k = –43

Divide both side by – 1

K = –43/–1

k = 43

3 0
2 years ago
Each of the following correctly match an English phrase with a mathematical expression
pshichka [43]
Each of the following correctly match an English phrase with a mathematical expression except _____. 


<span>A) a number times seven, 7x </span>
<span>B) a number subtracted from seven, 7 - x </span>
<span>C) the sum of a number and seven, 7 + x </span>
<span>D) a number divided by 7, 7/x 

if this is ur question...answer is D...should be x/7</span>
4 0
2 years ago
A survey was done on the number of people in eachcar leaving a Shopping
ycow [4]

Answer:

a) Mode number = 2

b) Median  = 64.5  = 4 people in car as 0.5 in 64.5 is close to 76

              = 4 people

c) Mean number is  505/6 =   84.1666666667 then we see where 84.16 lies and see this lies with =  3 people

Step-by-step explanation:

45  is 1

198 is 2

121 is 3

76 is 4

52 is 5

13 is 6

Mode we look for the highest frequency and see 198 is the amount and 2 people in car is the subject, we give the subject and that is 2 people in car is the highest frequency and would be the mode.

Median is shown in the answer as we add up.

Mean we add up all frequency and divide by the amount of subjects = 6.

a) Mode number = 2

b) Median = 13, 45, 52, here 76, 121, 198    mid number between

             = (76-52 )/ 2  + (52)= 24 /2 + (52) = 12 + 52 + 0.5 if even number    

median  = 64.5  in a cumulative graph though which is not asked here it would be exactly half of 505 = 257.5 and interquartile we half again and add on 257.5 and show the range values interquartile as 1/2(252.5) and 1/2(252.5+ 505) = 126.25 as one value and 757.5 as the other by drawing a horizontal line from y axis to the points so vertical lines can represnt the cars median and interquartile.

c. Mean number is  505/6 =   84.1666666667 then we see where 84.16 lies and see this lies with 3 seats

For cumulative frequency we can relist numbers like this

45

45 +198 = 243

243 +  121 = 364

364+76 = 440

440 + 52 = 492

492+13 = 505 to plot graph.

But if there was group of measures or time etc then we would always plot the highest of each set for cumulative x axis and use the 2 values to see the ratio for histograms ie) 198/2 = 99 so that all values are read in equal proportions and 2 is a data below the graph not on the graph as 2 does not show as a box count just a name below on x axis. So we have to use the ratio as explained for histograms.

8 0
2 years ago
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