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aleksandr82 [10.1K]
3 years ago
10

Which property is illustrated by 45+19=19+45

Mathematics
1 answer:
MariettaO [177]3 years ago
6 0
The property that is illustrated is the Commutative Property Of Addition. This is because there are no parenthesis, the numbers switch order, and the answer remains the same.
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an art teacher has 28 students in her first period class and 24 in her second period class if almost 30 of the students in these
tatiyna

Answer:

im not sure if this answer is correct but i think its 22

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3 years ago
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Determine whether a triangle can be formed with the given side lengths. If so, use Heron's formula to find the area of the trian
mart [117]

Answer:

The area is 11317.51

Step-by-step explanation:

The sum of 2 sides must be less than the third side (largest side) for a triangle to be formed.

b+c<a

133+174 < 240

A triangle can be formed

To use Herons formula for the area

We find S = 1/2( a+b+c)

                 = 1/2(240+133+174)

                 =  1/2 (547)

                     = 273.5


Area = sqrt( S (S-a) (S-b)(S-c))

           sqrt((273.5 ) (273.5 -240) (273.5-133) (273.5-174))

           sqrt((273.5)(33.5) (140.5) (99.5))

            sqrt(128085964.4)

           11317.50699

The area is 11317.51

5 0
3 years ago
A wire 4 1/2 feet long is being cut into smaller pieces of wire, each 11/4 feet long. What is the maximum number of the smaller
Goryan [66]

Answer:

1

Step-by-step explanation:

Take 4 1/2 and turn it into just halves by multiplying 4•2 and then adding it to one. 9/2 then multiply that by 2 because you need the denominator to be 4 getting 18/4. Then subtract 11/4 you end up getting 9/4. So technically you have 2 pieces but if you want them both to be 11/4 you only have one

4 0
3 years ago
Find the next two numbers in the pattern.<br> 7, -28,112, -448,<br> Fill in the blank with 2 numbers
erastovalidia [21]

Answer:

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Step-by-step explanation:

If you can find the constant number multiplied in the pattern, you know that it multuplies by -4. -448 times -4 will be a positive number, which the answer is 1792 if you use the calculator, then you use 1792 and multiplie that by -4 to get -7168.

That's the answer, 1792, then -7168.

5 0
3 years ago
Can help for this questing <br><br> 1) 2)
Free_Kalibri [48]

Answer:

1. Median

2. Altitude

Step-by-step explanation:

Medians- Bisect the side (Split the side into two equal parts)

Altitude- Makes a right angle

1. Splits the side into two equal parts. Anwser: Median

2. Makes a right angle Answer: altitude

8 0
3 years ago
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