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Oliga [24]
3 years ago
15

Which equation applies the associative property of multiplication? Help!!!!

Mathematics
1 answer:
katrin2010 [14]3 years ago
6 0

Answer:

8/9 * 7/4 * (-5/8) = 8/9 * (-5/8) * 7/4

35/36 (35 over 36) is the answer on both sides of the equals symbol/sign.

Step-by-step explanation:


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9a+b-8c-2(a+3b-c) simplified
alekssr [168]

Answer:

The correct simplified answer for 9a + b - 8c - 2 (a + 3b - c) would be 7a - 5b - 6c

Step-by-step explanation:

Hope this helps! Sorry if there is no explanation, I am kinda in a rush.

5 0
3 years ago
Read 2 more answers
A 20-sided regular polygon has an angle measure represented as 3gº.
Andre45 [30]

The value of g in the 20 sided regular polygon is 54.

<h3>How to find the angles of a regular polygon?</h3>

If all the polygon sides and interior angles are equal, then they are known as regular polygons.

The polygon given is a 20 sided regular polygon and the measure of each angle is 3g degrees.

Therefore, let's find g.

The sum of interior angles of a 20 sided polygon is as follows:

180(n - 2) = 180(20 - 2) = 180(18) = 3240

Therefore,

each angle = 3240 / 20 = 162

Hence,

162 = 3g

g = 162 / 3

Therefore,

g = 54

learn more on regular polygon here: brainly.com/question/16992545

#SPJ1

8 0
1 year ago
What’s the area<br> A. 64<br> B. 44<br> C. 30.25<br> D. 13.75
dalvyx [7]

Answer:

B) 44

Step-by-step explanation:

Let's start with the triangles. Normally, when dealing with triangles, you would use the formula (B*H*1/2), but since there's two identical triangles, we can just do (B*H) and get the area for both:

2.5*5.5=<u>13.75</u>

Then to solve for the square, it is also (B*H):

5.5*5.5=<u>30.25</u>

At this point, to solve for the total area, you just add the areas together:

13.75+30.25=<u>44</u>

<u />

Hope this helps!

6 0
3 years ago
Read 2 more answers
I need help is it A B C or D
harina [27]
We evaluate b^2 - 4ac.  If the answer is positive, then there are two real solutions.  If it is zero, there is one real solution.  If it is negative, there are 2 complex solutions.  In this equation, a = 1, b = 5, c = 7.  Now we plug in the numbers.

5^{2}-4*1*7=1

Because this answer is positive, there are two real solutions.

7 0
3 years ago
Read 2 more answers
Find the area of the shaded sector of the circle. Leave your answer in terms of pi.
pentagon [3]
We know that
area  of circle =pi*r²
for r=4 ft
area=pi*4²------> 16*pi ft²

<span>the shaded sector of the circle represent 3/4 of the total area
so
3/4*16*pi-----> 12*pi ft</span>²

the answer is
 12*pi ft²
3 0
3 years ago
Read 2 more answers
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