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kow [346]
2 years ago
7

Evaluate the expression.

Mathematics
2 answers:
mr Goodwill [35]2 years ago
5 0

Answer:

21

Step-by-step explanation:

We need to follow PEMDAS

15+3*2

We need to multiply first

3*2 = 6

Then we add

15+6

21

Hunter-Best [27]2 years ago
4 0

Answer:

21

Step-by-step explanation:

We use (BODMAS) :

Brackets

Order/Index

Division

Multiplication

Addition

Subtraction

15 + 3 × 2

We do multiplication before addition :

3 × 2 = 6

15 + 6 = 21

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The volume of a cube is 125 cubic inches. What is the<br> length of one edge of the cube?
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All the edges of a cube have the same length, and the volume of a cube is the length of an edge taken to the third power. So the length of the edge of a cube with a volume of 125 is 5.

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3 years ago
Can anyone help me with this, I’ll give out brainliest. NO LINKS.
Sliva [168]

Answer:

89.132 inch

Step-by-step explanation:

“this shape is made up of one half-circle attached to a square with side lengths 16 inches. You can use 3.14 as an approximation.”

so, the square has a perimeter of 16 inch, four sides that will be 64 inch

then the half circle rule of perimeter of half circle: πr + 2r

=> perimeter of semicircle = π * 8 +2 * 8 = 41.132 inch

<em>without the bottom line of half circle= 41.132 -16 = 25.133 inch</em>

<em />

So total 25.133 + 64 =89.132 inch

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