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jekas [21]
3 years ago
13

Calculate the area of this circle please

Mathematics
1 answer:
Anni [7]3 years ago
4 0

Answer:

2289.06 cm

Step-by-step explanation:

the equation for area of a circle is \pi r^{2}

Radius is 1/2 the diameter = 27

3.14 (27^2)=2289.06 cm

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Everyone keeps on ignoring me): please help will mark brainliest):
Anvisha [2.4K]

Answer:

Step-by-step explanation:

They are testing whether you remember the basic 30,60,90 degree triangle side relationship. The ratio of sides for this triangle are 1 opposite the 30 degree angle, square root of three opposite the 60 degree angle and a hypotenuse of 2 opposite the 90 degree angle.

x/2=2/1

x=4/1=4

bottom answer choice

x/4=3^(1/2)/1

x=4(3^(1/2))

third answer choice

4 0
3 years ago
What equation represents this sentence? 5 less than a number is 12. n−5=12 5=12−n 5=n−12 5−n=12
Lana71 [14]

Answer:

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This is the answer

8 0
3 years ago
Which point-slope equation represents a line that passes through (3, –2) with a slope of -4/5?
alexira [117]

Answer:

y+2=-\frac{4}{5}(x-3)

C is correct equation.

Step-by-step explanation:

We are given a point and slope of a line. Using point slope form formula to find the equation of line and match the correct option.

Formula:

y-y_1=m(x-x_1)

where,

slope (m)=-\frac{4}{5}

Point:(x_1,y_1)\rightarrow (3,-2)

Equation of line:

y-(-2)=-\frac{4}{5}(x-3)

y+2=-\frac{4}{5}(x-3)

Thus, C is correct equation of given information.

7 0
3 years ago
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PLEASE HELP ME I HAVE OTHER HOMEWORK TO BE FINISHED!!
Butoxors [25]

Step-by-step explanation:

Pyramid

1/2 * 12 * 15

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12 * 12 = 144

144 * 4 = 576cm

576 + 360 =

936 cm² of paint

4 0
3 years ago
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