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Marina86 [1]
2 years ago
12

What is the LCM of 21 and 35

Mathematics
1 answer:
bezimeni [28]2 years ago
5 0

Answer:105

Step-by-step explanation:

becasue you can mutiply 35 3 times and 21 5 times and you get the same number as 105

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What's is 17% of 800. ?
stepladder [879]
You need to change 17% to decimal by moving the decimal to the right by 2x so you will get .17*800=136
5 0
3 years ago
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Who is Pythagorean? when was he born? when did he die?
Rama09 [41]

Answer:

" Pythagoras established the first Pythagorean community in Crotone, Italy. Early Pythagorean communities spread throughout Magna Graecia. "

"was an ancient Ionian Greek philosopher and the eponymous founder of Pythagoreanism . " <---------- Credits to: Yahoo

He was born in about 570 BC on the Greek island of Samos

He died in 495 BC

4 0
3 years ago
The perimeter of a regular hexagon is ninety-six centimetres. Find the length of each side.​
rusak2 [61]

Answer:

54cm, which is one side length

Step-by-step explanation:

The sum of all of the sides are 6, it's a regular hexagon the perimemter is just six times one side 36cm

Hope It Helps!

8 0
3 years ago
What is the distributive prperty to exspress 24+36
Liula [17]

I think it would be 12(2-3)

Hope this helps!


8 0
3 years ago
Find the area of the shaded portion. Show all work for full credit.
andre [41]
Alright, so first of all, you need to find the area of the circle that is part of the cone-shaped area so you can remove it. You need the formula:
 Area =  \pi  r^{2} ( \frac{c}{360} )where c = angle.

Now plug in the answers, and you get:
A =  \pi 6^{2} ( \frac{120}{360} ).

This would then equal to 12 \pi.


now, essentially, the shape of this ENTIRE area is of 2 right triangles. Divide 120 by 2, you get 60 degrees. You have 2 60/30/90 triangles (shown in the bottom)


Now, what you need to do is to find the area of the entire thing by using the formula to calculate the right triangle area (A = (1/2)bh). You have b, which is 6. To find the h, you use tan(60) = x/6, which gives you 6 \sqrt{3}.

The area of one right triangle of this size would be = 18 \sqrt{3}

Because 2 right triangles, multiply the area by 2 and get: 36 \sqrt{3}

Now, remember the area of that circle in that total area? subtract it from the total area (36 \sqrt{3}) by 12pi and you get 24.65.

The final answer is 24.65

7 0
3 years ago
Read 2 more answers
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