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Alex_Xolod [135]
3 years ago
8

Which properties justify 2x+3x+12=5x+12

Mathematics
1 answer:
Molodets [167]3 years ago
4 0
I think it would be commutative or associative because there is anything to distribute so it is NOT distributive
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1,240,759 divided by 7
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4 years ago
The interior angles formed by the sides of a quadrilateral have measures that some to 360°
Molodets [167]

Answer:

Value of x is 34

Step-by-step explanation:

The figure is a quadrilateral;

Angles given are; 2x°, 88°,108° and (3x - 6)°

We already know that the interior angles of a quadrilateral add up to 360°

Therefore, to get the value of x;

2x° + 88° + 108° + (3x - 6)° = 360

5x° + 190° = 360°

5x° = 170°

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Thus, the value of x is 34

7 0
3 years ago
A regular square pyramid has a slant height of 5 in and a base area of 49 in2. Find the surface area of the pyramid. -----------
Bumek [7]

Answer:

C: 119 square inches

Step-by-step explanation:

We are given;

Slant height; L = 5 in

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Since it's a square pyramid, the base portion has a square shape.

Thus, area of base = x²

Where x is a side of the square.

Thus;

x² = 49

x = √49

x = 7

Perimeter of base = 7 × 4 = 28 in

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Area of pyramid = (½ × 28 × 5) + 49

Area of pyramid = 119 in²

6 0
3 years ago
Which expression is equivalent to (7x + 6) - (4x + 2)?
nlexa [21]

Answer:

=(3x+4)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Omar has 2 3/4 cups of dough to make Dumplings. If he uses 3/16 cup of dough for each dumpling,how many whole dumplings can Omar
Brrunno [24]

Omar can make 14 whole dumplings. You change 2 3/4 cups to an improper fraction ( multiply the denominator and add the numerator ) and you get 11/4. Since you need 3/16 cups for one dumpling you have to find the greatest common denominator which is 16. You multiply 4 by 11 to get the numerator and end up with 44/16. Since you need 3/16 for one whole dumping you divide 44 by 3 and get 14.6 repeating. You cannot have a fraction of a dumpling so you round down and get the answer 14.



5 0
4 years ago
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