3 years ago

Match the pairs of equations that represent concentric circles. Tiles

1 answer:

3 0

General form of equation of circle can be written as

(x - a)^2 + (y - b)^2 = r^2 where the center of circle is at (a, b)

Concentric circles wil all have the same values for a and b.

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Please help I need help

Andre45 [30]

An inverse variation can be represented by the equation

$xy=k\to y=\dfrac{k}{x}$

We have

$\dfrac{y}{6}=x\qquad|\cdot6\\\\y=6x$

Answer: The relationship does not show an inverse variation.

6 0

3 years ago

Describe how to use special product patterns to find 21^2

Alex777 [14]

Answer:

21 x 21 = 441

Step-by-step explanation:

Whenever there is an exponent that is the many times you multiply the base by itself to.

6 0

2 years ago

A child is 2 -1/2 feet tall. The child’s mother is twice as tall as the child. How tall is the child’s mother

Len [333]

Answer:

5 feet

Step-by-step explanation:

"Twice as tall" means "2 times as tall".

2 × (2 1/2 ft) = (2 × 2 ft) +(2 × (1/2 ft)) = 4 ft + 1 ft = 5 ft

The child's mother is 5 feet tall.

7 0

2 years ago

Read 2 more answers

A cube has an edge measuring 4 inches. What is the surface area of the cube, in inches²?

BlackZzzverrR [31]

Answer: 96 in2

Step-by-step explanation: This is because u have to mutiple the two bases and the lateral sides to get your area

4 0

3 years ago

What is 26,460,000 simplified all the way

Doss [256]

Go on symbolab.com or something man this number is too big

5 0

2 years ago