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Phantasy [73]
2 years ago
9

Find the perimeter of this semi-circle with diameter,

Mathematics
1 answer:
KATRIN_1 [288]2 years ago
6 0

The perimeter of the semicircle is 19π cm if the diameter of the circle is 38 cm.

<h3>What is a circle?</h3>

It is described as a set of points, where each point is at the same distance from a fixed point (called the centre of a circle)

We have a circle with diameter of 38 cm.

Diameter = 38 cm

The radius of the circle = 38/2 = 19 cm

Perimeter of the circle = 2πr = 2π(19) = 38π cm

Perimeter of the semicircle = 38π/2 = 19π cm

Thus, the perimeter of the semicircle is 19π cm if the diameter of the circle is 38 cm.

Learn more about circle here:

brainly.com/question/11833983

#SPJ1

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What is 15 x minus 3 y = 0 written in slope-intercept form? y = 5x y = negative 5 x x = one-fifth y x = 5 y
DanielleElmas [232]

Answer:

y=5(x)

Step-by-step explanation:

on edge :]

8 0
3 years ago
What is the slope-intercept form of the equation of the line containing the points (−2, 4) and (6, 0)?
Nikolay [14]

The slope-intercept form of the equation of the line containing the points (−2, 4) and (6, 0) will be y =0.5 x+ 5.

<h3>What is the slope?</h3>

A numerical assessment of a line's angle relative to the ground is known as the slope.

The inclination of any line, ray, or line segment is the fraction of the perpendicular to the horizontal distance between any two positions on it.

The slope of the line is found as;

\rm m = \frac{y_2-y_1}{x_2-x_1} \\\\ m = \frac{0-4}{6-(-2)} \\\\ m = \frac{-4}{8} \\\\ m = \frac{-1}{2}

The standard line equation is;

y-y₁=m(x-x₁)

\rm y-4= \frac{-1}{2}(x-(-2)) \\\\ 2y-8 = x+2 \\\\ 2y =x+10 \\\\ y = 0.5 x + 5

Hence, the slope-intercept form of the equation of the line containing the points (−2, 4) and (6, 0) will be y =0.5 x+ 5.

To learn more about the slope, refer to the link;

brainly.com/question/3605446

#SPJ1

6 0
2 years ago
Please help! Will mark brainliest! :)
AURORKA [14]

Answer: - 2/10

7

Step-by-step explanation: i cant write the right shapes because it isnt available on anybody's keyboard

4 0
3 years ago
Read 2 more answers
Looking for the answer for problem number eight zoom in if needed
Law Incorporation [45]

For this, we will be using Triangle Angle Sum Theorem (all interior angles in a triangle add up to 180°) for Triangle BCD. Since Angle CBD and BDC are congruent to each other and Angle BDA, we can solve for those two angles to get that angle. Our equation will look like this: 180=35+2x

Firstly, subtract 35 on both sides of the equation: 145=2x

Next, divide both sides by 2 and your answer will be 72.5 = x.

Since Angle CBD and BDC are 72.5°, this means that Angle BDA is 72.5° as well.

5 0
3 years ago
Read 2 more answers
What does 3 represent in the equation y = 3x ? the -intercept the slope yintercept
KengaRu [80]

Answer:

The slope

Step-by-step explanation:

Its equation: y= ax (where a represents the slope)

y =3x

<em>Hope</em><em> </em><em>this helps</em><em> </em>

<em>Good</em><em> </em><em>Luck</em><em> </em>

4 0
3 years ago
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