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Neko [114]
2 years ago
12

I am left with 0 points lol this my last one 1+2=??? brainliest for first to answer

Mathematics
2 answers:
Harlamova29_29 [7]2 years ago
8 0

hmmmm it could be 2 answers

12 or 3

who knows

no one

enjoy ur day

kiruha [24]2 years ago
5 0

Answer:  it is 3

Step-by-step explanation:

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Find the area of an equilateral triangle with radius 22 cm. Round to the nearest whole number.
earnstyle [38]

Answer:this item, we are given with the radius equal to 22 cm.

In this measurement of the radius is the hypotenuse of the 30°-60°-90° triangle formed with the half the measurement of the side of the equilateral triangle being opposite to the 60°  and equal to the hypotenuse times (1/2)(√3)

Step-by-step explanation:

If we let s be the side of the triangle then,

                 s/2 = r(1/2)(√3)

Multiplying the equation by 2,

                 s = r√3

Substituting,

              s = (22 cm)(√3) = 22√3

The area of the equilateral triangle is computed through the equation,

         A = (√3 / 4)(s²)

Substituting,

         A = (√3 / 4)(22√3)² = 628.7 cm²

Therefore, the answer to this item is the first choice. 

4 0
2 years ago
A rolling pin has two identical cylindrical handles attached to a larger handle that is 12 inches long. The large cylinder measu
yaroslaw [1]

Answer:

Volume of the rolling pin =  246.09 in^{3}  

Step-by-step explanation:

Length of larger cylinder L = 12 in

Diameter of larger cylinder D = 5 in

Diameter of two handles = 1.5 in

Length of two handles = 3 in

Volume of the rolling pin = Volume of two handles + Volume of larger cylinder

Volume of two handles = 2 (\pi r^{2}L)

Volume of two handles =  2 (3.14 × 0.75^{2} × 3 )

Volume of two handles = 10.59 in^{3}  

Volume of larger cylinder = (\pi r^{2}L)

Volume of larger cylinder = (3.14 × 2.5^{2} × 12 )

Volume of larger cylinder = 235.5 in^{3}  

Volume of the rolling pin =  10.59 + 235.5

Volume of the rolling pin =  246.09 in^{3}  

6 0
2 years ago
Please help quickly !!
anygoal [31]

Answer:

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Step-by-step explanation:

4 0
2 years ago
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Which of these shows 9 + 4p rewritten using the commutative property of addition?
statuscvo [17]
<span>9 + 4p

</span><span>rewritten using the commutative property of addition = 4p + 9
</span><span>
answer </span><span>4p + 9 (first choice)</span>
7 0
3 years ago
Read 2 more answers
Lin runs fro25 seconds at 8.2 meters per second. What is her finish point?
Lemur [1.5K]

Answer:

Distance = 205 meters

Step-by-step explanation:

Distance = rate multiplied by time

We know the time = 25 seconds

and the rate = 8.2 meters per second

Distance = 8.2*25

Distance = 205 meters

5 0
3 years ago
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