Matthew bought 45 oranges 3/5 of them to make orange juice how many oranges does he have left. thx

18

Step-by-step explanation:

First find out how many oranges he used to make the orange juice.

3/5 = 0.6

(45)(0.6)

27

He used 27 oranges to make the juice.

Now we can figure out how many oranges he has left.

45 - 27

18

Matthew has 18 oranges left.

Hope this helps!

pentagon

step-by-step explanation:

the coordinates   a(5, -2), b(3,-1),c(-4,-4) d(-3,8) and e(-1,4) forms the vertices of the polygon when they are connected in order.

in order to classify that which polygon is it with the given coordinates, first count the number of vertices and then count the number of sides it can make with these vertices.

since, the given coordinates have five vertices, therefore, it will make five sides. moreover, pentagon is regular in nature therefore it will be convex.

now, a polygon with five sides is known as pentagon, therefore, the given polygon is the pentagon.

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step-by-step explanation: