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11Alexandr11 [23.1K]
3 years ago
5

What is x in 10(x-2)= -20

Mathematics
2 answers:
RSB [31]3 years ago
5 0

Answer:

10x-20=-20

10x=-20+20

10x=0

x=0

MatroZZZ [7]3 years ago
3 0

Answer:

x = 0

Step-by-step explanation:

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If given a radius of 6mm, what is the diameter?
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Answer:

If the radius is 6mm, the diameter is 12mm.

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2 years ago
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Step-by-step explanation:

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How do I simplify this expression
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1 year ago
A circle is shown. 4 radii are drawn. Chords are drawn to connect the radii points on the circle to form 2 triangles. The triang
Rashid [163]

Answer:

Area of Shaded Region = (25π - 24) cm²

Step-by-step explanation:

See attachment

From the attached, the following observations are made;

Radius, r = 5cm

Base of triangles = 6cm.

Required

Area of shaded region.

If the distance between the base of the triangle to the outline of the circle is 1cm then the height of the triangle is 1cm less than the radius

Height = 5cm - 1cm

Height = 4cm

To calculate the area of the shaded region, we first calculate the area of the circle.

Area = πr²

Substitute 5 for r

Area = π * 5²

Area = π * 25

Area = 25π cm²

Then we calculate the area of both triangles

Area of 1 triangle is calculated as follows.

Area = ½ * base * height

Substitute 4 for height and 6 for base.

Area = ½ * 4 * 6

Area = 2 * 6

Area = 12cm²

Since both triangles are equal.

Area of two triangles = 2 * Area of 1 triangle

Area = 2 * 12cm²

Area = 24cm²

Having calculated the area of the circle and that of both triangles.

Area of shaded region = Area of Circle - Area of Triangles

Area of Shaded Region = 25π cm² - 24 cm²

Area of Shaded Region = (25π - 24) cm²

3 0
3 years ago
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