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3 years ago

7(43)= 7(34) is it distributive if not what is it

Mathematics

1 answer:

posledela3 years ago

6 0

Answer:

Hey there!

That is not the distributive property. That is the commutive property. The commutive property states that if ab=c, then ba=c.

Let me know if this helps :)

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The area of rectangle ABCD is 72. If point A and the midpoints of BC and CD are joined to form triangle, the area of that triang

vredina [299]

Answer:

Step-by-step explanation:

Name the midpoint of BC point M and the midpoint of CD point N.

Triangle ABM has the 1/4 the area of the rectangle, 18. Triangle ADN also has 1/4 the area of the rectangle, 18. Triangle CMN has 1/8 the area of the rectangle, 9. That is, of the rectangle area, ...

18 + 18 + 9 = 45

are not included in triangle AMN. So, the area of that triangle is ...

72 -45 = 27 . . . . units²

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Comment on the triangle area

The triangle created by joining the midpoint of the side of a rectangle with an opposite vertex will have the same dimension as the rectangle in one direction (L), and half the dimension of the rectangle in the other direction (W). Thus, where the rectangle area is LW, the triangle area is (1/2)(L)(1/2W) = (1/4)LW, 1/4 the area of the rectangle.

Similarly, if the midpoints of adjacent sides are joined to form a triangle, the area of that is (1/2)(1/2L)(1/2W) = (1/8)LW, or 1/8 the area of the rectangle.

3 0

2 years ago

2) The coordinates of the vertices of quadrilateral ABCD are A(-1,8),

Verizon [17]

Answer:

The coordinates of vertices of A'B'C'D' are:

A'(1,-8), B'(0,-4), C'(2,-1) and D'(4,-3)

Step-by-step explanation:

When a point (h,k) is roated 180 degrees about the origin it becomes (-h,-k) which means that the new point after rotation is the negative of the previous.

Given vertices are:

A(-1,8), B(0,4), C(-2,1), and D(-4,3)

The new vertices will be:

$A(-1,8) => A'(1,-8)\\B(0,4)=> B'(0,-4)\\C(-2,1)=> C'(2,-1)\\D(-4,3)=> D'(4,-3)$

The coordinates of vertices of A'B'C'D' are:

A'(1,-8), B'(0,-4), C'(2,-1) and D'(4,-3)

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2 years ago

a regular square pyramid just fits inside a cube (the base of the pyramid is congruent to a face of the cube and the height of t

Tom [10]

The answer is larger in volume because the come is holow in the inside and that square pyrimid isn't

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2 years ago

If you can buy 1/3 of a box of chocolates for 6 dollars, how much can you purchase for 4 dollars

zysi [14]

Answer:

2/9

Step-by-step explanation:

Since 1/3 of a box of chocolates costs 6 dollars, you can buy (4×(1/3))/6=2/9 of a box of chocolates!

7 0

3 years ago

4 For each nth term, find the 50th term. a 4n - 5

alukav5142 [94]

4 x 50 = 200
200 - 5 = 195
195 is the answer hope this helps

5 0

3 years ago

Read 2 more answers

7(4*3)= 7(3*4) is it distributive if not what is it​

7(43)= 7(34) is it distributive if not what is it