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2 years ago

Seven subtracted from c is less than or equal to 29

Mathematics

2 answers:

Anuta_ua [19.1K]2 years ago

7 0

C is less than or equal to 36?

Alexus [3.1K]2 years ago

7 0

C is less than ore equal to 36

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Circle 1 is centered at (5, 8) and has a radius of 8 centimeters. Circle 2 is centered at (1, −2) and has a radius of 4 centimet

Masja [62]

Answer:

The answer in the procedure

Step-by-step explanation:

we know that

Figures can be proven similar if one, or more, similarity transformations (reflections, translations, rotations, dilation's) can be found that map one figure onto another.

In this problem to prove circle 1 and circle 2 are similar, a translation and a scale factor (from a dilation) will be found to map one circle onto another.

we have that

Circle 1 is centered at (5,8) and has a radius of 8 centimeters

Circle 2 is centered at (1,-2) and has a radius of 4 centimeters

step 1

Move the center of the circle 1 onto the center of the circle 2

the transformation has the following rule

(x,y)--------> (x-4,y-10)

(5,8)------> (5-4,8-10)-----> (1,-2)

center circle 1 is now equal to center circle 2

The circles are now concentric (they have the same center)

step 2

A dilation is needed to decrease the size of circle 1 to coincide with circle 2

scale factor=radius circle 2/radius circle 1-----> 4/8----> 0.5

radius circle 1 will be=8*scale factor-----> 8*0.5-----> 4 cm

radius circle 1 is now equal to radius circle 2

therefore

A translation, followed by a dilation will map one circle onto the other, thus proving that the circles are similar

6 0

2 years ago

A rational number can be written as the ratio of on BLANK to another.

swat32

"Integer" I think! As all rational numbers can be written as integer fractions.

4 0

2 years ago

The length of a rectangle is 1 more yd than twice the width, and the area of the rectangle is 66 yd squared. Find the dimensions

Salsk061 [2.6K]

Width = 5.5yd

Length = 12yd

<u>Explanation:</u>

Area of rectangle = $66yd^{2}$

Let width of the rectangle = b ,

So, length = 2b+1

Area of rectangle = (length X width) - eqn 1

Putting the value of length and width in above equation 1,

$66yd^{2} = (2b+1) X b\\66yd^{2} = 2b^{2} + b\\2b^{2} +b-66 = 0\\$

On solving the equation we get,

b = 5.5yd

So, width (b) = 5.5yd

and length = 2(5.5) + 1

l = 12yd

Hence,

Width = 5.5yd

Length = 12yd

6 0

2 years ago

1. Find a. The length of side

RideAnS [48]

Are you good at math

5 0

2 years ago

Please help 10 points each but beware if you use my points for no reason I'll report you

DochEvi [55]

Answer: 80 cubic centimeters

Step-by-step explanation:

Use the formula: V= $\frac{1}{3}$ Bh

(B is the area of the pyramid's base)

V= $\frac{1}{3}$ (16)(15)

Multiply: 16 x 15 =240

$\frac{1\\}{3}$ x 240 = 80

V= 80cubic centimeters

4 0

1 year ago

Read 2 more answers