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3 years ago

If the radius of a circle is 12cm, then the diameter is 6cm. True or false

Mathematics

1 answer:

melomori [17]3 years ago

6 0

Answer:

False.

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Geometry

Radius: r
Diameter: d = 2r

Step-by-step explanation:

Step 1: Define

Radius = 12 cm

Step 2: Find diameter

Substitute: d = 2(12 cm)
Multiply: d = 24 cm

∴ The statement is false and should be 24 cm as the diameter.

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Answer:

1) $(x+1)(x+2)$

2) $(x+5)(x+10)$

Step-by-step explanation:

You can factorize the quadratics equations by applying the proccedure shown below:

1) $x^2+3x+2$

Find two number whose sum is 3 and whose product is 2.

These would be 1 and 2.

Rewrite it as folowing:

$(x+1)(x+2)$

2) $x^2+15x+50$

Find two number whose sum is 15 and whose product is 50.

These would be 5 and 10.

Therefore, you can rewrite it as folowing:

$(x+5)(x+10)$

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