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andreyandreev [35.5K]
3 years ago
13

write the definitions of the identity property of addition and the commutative property of addition.. use the addition table to

provide exanples of each.
Mathematics
2 answers:
ycow [4]3 years ago
8 0

Answer:

identiy is a+0=a

when you add 0 to a number, it retains its identity

commutaive

you can change the order of multiplicaiton or additon

a+b=b+a

Yuliya22 [10]3 years ago
7 0
Identiy is a+0=a
when you add 0 to a number, it retains its identity


commutaive
you can change the order of multiplicaiton or additon

a+b=b+a
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Jonathan makes a weekly allowance of $25. He also makes $9.50 an hour at his job. Because of his age, he can work no more than 2
Molodets [167]
C. Normally when you are talking about money and how much he makes an hour plus allowance they want you to draw a graph so C is your answer.
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3 years ago
HELLPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Setler79 [48]

Answer:

65 square units

Step-by-step explanation:

The area of a triangle is: height times base divided by two.

So the area of one of the triangles is 10 square units.

multiply this times 4 to get the total area of the triangles

then add the area of the square which is 5 times 5

25 plus 40 = 65 square units

PLZ MARK BRAINLIEST

3 0
3 years ago
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27. A tank holds 240litres of water. How much water is in the tank when it is full?
Lera25 [3.4K]

Answer:

The answer would be A) 240 litres. This is because the question itself told us beforehand how much the tank can hold, which is 240.

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3 years ago
2. Lamar purchases comic books at garage
Otrada [13]

<u>Answer:</u>

Lamar will charge\$7 to the comic dealer for a comic book.

<u>Solution:</u>

It is given that lamar purchases a comic book for \$4. He then marks up the price of a comic book by 75\% which means he increases the price of the book by 75\% and then sells it to the comic dealer.

We have to find out how much will he charge the comic book dealer.

New price of the book after lamar marks up the price is given by

New price =  \$4 + \frac{75}{100} \times \$4

=\$4 + \$3= \$7

Thus, lamar will charge \$7 to the comic dealer for a comic book.

4 0
3 years ago
What is 8.25 as a fraction in simplest form?
vekshin1
8 is a whole number, so this will be the whole number part of our mixed number.

0.25 is a decimal, where 25 is in the HUNDREDths place, so we write 25 as a fraction over 100.

\sf\dfrac{25}{100}

Simplify by dividing 25 to the numerator and denominator.

\sf25\div25=1
\sf100\div25=4

So our fraction is \sf8\dfrac{1}{4}

0.55 is a decimal, where 55 is in the HUNDREDths place, so we write 55 as a fraction over 100.

\sf\dfrac{55}{100}

Simplify by dividing 5 to the numerator and denominator.

\sf55\div5=11
\sf100\div5=20

So our fraction is \sf\dfrac{11}{20}

\sf\dfrac{5}{8}

To convert this to a decimal, just divide 5 / 8

\sf5\div8=0.625
3 0
3 years ago
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