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quester [9]
3 years ago
15

What is the best approximation for the perimeter of a semicircle with a diameter of 12 cm? use 3. 14 to approximate pi.

Mathematics
1 answer:
geniusboy [140]3 years ago
5 0

Answer:

Perimeter

Step-by-step explanation:

perimeter is the sum of the whole sides of a figure

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N/-1.5=-1.2<br> what is n?
Nonamiya [84]
<span>N/-1.5=-1.2
</span>
<span>-1.5*N/-1.5=-1.2*-1.5
n = 1.8
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6 0
3 years ago
What does y equal ??!?!
garik1379 [7]
<h3>Answer:  658.3</h3>

==================================================

Explanation:

The adjacent complementary angle to that 28 degree angle is 62 degrees because 62+28 = 90.

If the reference angle is the upper acute angle 62 degrees, then the y is the opposite leg and the side 350 is the adjacent leg.

Use the tangent ratio

tan(angle) = opposite/adjacent

tan(62) = y/350

350*tan(62) = y

y = 350*tan(62)

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3 0
3 years ago
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Please help as soon as possible
scZoUnD [109]

Answer:

26.28

Step-by-step explanation:

First, add the side lengths of what you know. 6 + 6 + 8 = 20.

Then, find the circumference of the circle, BUT make sure you divide it by 2 because it is a semicircle in the figure.

The formula is 2\pir, so plug in the radius = 2

So the circumference is 4\pi, then divide by 2 to get 2

20 + 2\pi = 26.28

6 0
3 years ago
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Constructing Parallel Lines
Orlov [11]

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The slope of the lines is -1, and the equation of the parallel line is y-x-6.

<h3>What is the equation of a line?</h3>

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation of a line is given by,

y =mx + c

where,

x is the coordinate of the x-axis,

y is the coordinate of the y-axis,

m is the slope of the line, and

c is the y-intercept.

The parallel line passes through the points (-4,-2) and (-3,-3). Therefore, the slope of the line is,

Slope = (-2 + 3) / (-4 + 3) = 1/-1 = -1

The equation of the parallel line that is passing through point P is,

y = mx + c

y = -x + c

-3 = -(-3) + c

-3 -3 = c

c = -6

Hence, the slope of the lines is -1, and the equation of the parallel line is y-x-6.

Learn more about Equation of Line:

brainly.com/question/21511618

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6 0
2 years ago
Give the zeros (if any) of the quadratic function f(x)=3(x-4)(x+11).
maxonik [38]
Set each of the binomials equal to zero and solve for x. The two values will be the zeros of the equation:
(x-4) = 0      (x+11) = 0

x-4 = 0         x + 11 = 0
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The zeros of the equation are -11 and 4
3 0
3 years ago
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