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poizon [28]
3 years ago
7

Please help me I'm struggling on this

Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0

Answer:

0.1071   (10.71%)

Step-by-step explanation:

1st red sweet: 3 / 8

2nd red sweet: 2 / 7

3/8 x 2/7 = 6 / 56  (10.71%)

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Can someone answer this​
mixer [17]

Answer:

-2/3 is the correct answer

Step-by-step explanation:

hope this helps

7 0
3 years ago
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Wha is the area of this
Korvikt [17]

Octagon, stop sign.

Eight isoscles triangles.   It looks like we're told the side is 9.9 and the height to the side (also called the apothem) is 12.

So each isosceles triangle has area  (1/2)(9.9)(12) and we have eight of them,

area = 8(1/2)(9.9)(12) = 475.2

Answer: 475.2

Usually we wouldn't be told 9.9 -- this is the baby version.  We know each of those isoscles triangles has unique angle 360/8=45 degrees, so the apothem and half the side of the octagon are a right triangle with acute angle 22.5 degrees.

The area of the right triangle with long leg 12, short leg x,

tan 22.5 = x/12 or

x = 12 tan 22.5

Twice that is what we're told is 9.9; let's check:

2x = 24 tan 22.5 = 9.941125496954282

The area of the little right triangle is

(1/2) 12 × 12 tan 22.5

and there are 16 of these

16 (1/2) 12 × 12 tan 22.5 ≈ 477.174

6 0
3 years ago
10m radius. What is the area of the circle? Round your answer to the nearest tenth.
Evgen [1.6K]

Answer:

D

Step-by-step explanation:

The area of a circle can be found using:

a=πr^2

We know that the radius is 10 meters. Therefore, we can substitute 10 in for r.

a=π*10^2

Evaluate the exponent

a=π*100

Multiply pi and 100

a=314.159265359

Round to the nearest tenth: there is a 5 in the hundreth place, which indicates we round up the 1 in the tenths place to a 2.

a=314.2

The area is 314.2 square meters, or choice D

7 0
3 years ago
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Match the graph with it's equation
-BARSIC- [3]

Answer:

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Step-by-step explanation:

6 0
3 years ago
A rectangular prism has a length of 312 inches, a width of 5 inches, and a height of 112 inches. What is the volume of the prism
lutik1710 [3]

<span>The volume of a rectangular prism is:</span>

V=l*w*h<span>
</span>

Where

l=lenght,

w=width

h=height

So, as this prism has a length of 312 inches, a width of 5 inches, and a height of 112 inches, the volume is calculated as follows:

V=l*w*h=312 in*5 in*112 in=174 720 inches^3

 

3 0
3 years ago
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