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romanna [79]
3 years ago
6

Use the associative property to write an equivalent expression for -5/6 • (12•87) and then simplify.

Mathematics
1 answer:
mote1985 [20]3 years ago
6 0

Step-by-step explanation:

The associative property for multiplication: <em>(a · b) · c = a · (b · c)</em>

-\dfrac{5}{6}\cdot(12\cdot87)=\left(-\dfrac{5}{6\!\!\!\!\diagup_1}\cdot12\!\!\!\!\!\diagup^2\right)\cdot87=(-5\cdot2)\cdot87=(-10)(87)=-870

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If you were to translate the coordinate point C using vector(-2,-4), what would the coordinates of the new point be?
uysha [10]

Given:

The point is C(0,3).

The translation vector is \left.

To find:

The coordinates of the new points after translation of point C.

Solution:

If a figure is translated by a vector \left, then

(x,y)\to (x+a,y+b)

The figure is translated by the vector \left, then

(x,y)\to (x+(-2),y+(-4))

(x,y)\to (x-2,y-4)

The point C is at (0,3).

C(0,3)\to C'(0-2,3-4)

C(0,3)\to C'(-2,-1)

Therefore, the coordinates of the new point are C'(-2,-1).

6 0
3 years ago
In a batch of 140 water purifiers, 28 were found to be defective. What is the probability that a water purifier chosen at random
Nat2105 [25]

Answer:

20%

Step-by-step explanation:

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7 0
3 years ago
Please help me with the question
sveta [45]
<h3>Answer: 108</h3>

========================

Work Shown:

This figure is a trapezoid because it has exactly one pair of opposite parallel sides. Those parallel sides are known as the bases which we'll call b1 and b2

b1 = 1

b2 = 8

The height is 24, so h = 24.

------------

Plug b1 = 1, b2 = 8, and h = 24 into the area of a trapezoid formula below

A = h*(b1+b2)/2

A = 24*(1+8)/2

A = 24*9/2

A = 216/2

A = 108

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3 years ago
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Masteriza [31]
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4 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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