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Svetach [21]
3 years ago
7

Explain how you could mentally find 8x45 by using Distrubitive property

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
4 0
You could do 8x40=320 and then do 8x5=40 and lastly do 320+40=360
I hope that this helps you!!!
saul85 [17]3 years ago
3 0
 The distributive property
multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products 

8x45= 360
8x40=320
8x5=40
8x40 + 8x5 = 360


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Which ordered pairs are in the solution set of the system of linear inequalities?
never [62]

Options:

(2, 2), (3, 1), (4, 2)

(2, 2), (3, –1), (4, 1)

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Step-by-step explanation:

Given

y > -\frac{1}{3}x + 2

y < 2x + 3

Required

Solve for x and y

To solve this, we make use of graphical method (see attachment for graph)

All points that lie on the shaded region are true for the inequality

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A. (2, 2), (3, 1), (4, 2)

All 3 points lie on the shaded region.

<em>Hence, (a) is true</em>

8 0
3 years ago
A. n=55<br>b. n=25<br>c. n=5<br>d. n=3025​
Mnenie [13.5K]

Answer:

A

Step-by-step explanation:

Assuming the triangle is right, use Pythagoras' identity to find N

The square on the hypotenuse is equat to the sum of the squares on the other 2 sides.

Here the hypotenuse = 73, thus

N² + 48² = 73², that is

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N² = 3025 ( take the square root of both sides )

N = \sqrt{3025} = 55 → A

5 0
3 years ago
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