3 years ago

Write an expression meaning 4 less than 5 times a number

Mathematics

2 answers:

Rudiy273 years ago

4 0

Answer:

Expression: 5 x n - 4

gladu [14]3 years ago

4 0

Answer:

5n - 4

Step-by-step explanation:

Let the number be n. Then we get the expression 5n - 4.

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Natali5045456 [20]

Answer:

68.55

Step-by-step explanation:

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3 years ago

Prove that the two circles shown below are similar.

s344n2d4d5 [400]

The circles B and D are similar since the radius of the former is as twice as the radius of the latter.

<h3>Are the two circles shown in the figure similar?</h3>

By geometry we know that circles are defined by only one characteristic: radius. If two circles are similar, then the radii must be <em>different</em>. After a quick look at the figure, we conclude that the radii are $r_{B} = 4$ and $r_{D} = 2$ . Hence, the circles B and D are similar since the radius of the former is as twice as the radius of the latter.