Answer please because no one ever does barely

Mathematics

1 answer:

seropon [69]3 years ago

3 0

For the first rectangle, the answer is 4n+1.2.

Explanation:

The perimeter is all the side lengths added together. That means, for this rectangle, the perimeter would be n+n+0.6+n+n+0.6, which can be simplified to 4n+1.2.

For the second rectangle, the answer is 6n+0.2.

Explanation:

Again, the perimeter is all the side lengths added together. That means, for this rectangle, the perimeter would be n+0.1+2n+n+0.1+2n, which can be simplified to 6n+0.2.

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Given three collinear points A,B,C with B between A and C, four different rays can be named using points AB, BA, BC, CB. How man

Dmitry [639]

Answer:

Given n collinear points, 2(n -1) or 2n - 2 rays can be named

Step-by-step explanation:

When we talk of collinear points, we mean points that lie on the same straight line.

For 3 collinear points we can have 4 rays

For 4 collinear points, let’s say ABCD

A B C D

The rays are AB BA BC CB CD and DC making a total of 6

For 5 collinear points,

A B C D E

The rays are;

AB BA BC CB CD DC DE ED which makes a total of 8

For 6 collinear points, we have;

A B C D E F

The rays are;

AB BA BC CB CD DC DE ED FE EF which makes a total of 10

So what pattern do we notice?

3 points 4 rays

4 points 6 rays

5 points 8 rays

6 points 10 rays

7 points 12 rays

So using the pattern

n rays = 2n - 2 rays or simply 2(n - 1) rays

8 0

4 years ago

HELP. I NEED UR HELP. THIS IS DUE AT 2:30 IM SERIOUS PLEASE HELP ME. DONT IGNORE THIS PLEASE, ITS ONLY 2 QUESTIONS, HELP A POOR

mafiozo [28]

Cannot see all of the first question but for the paint question: if he’s got 1 1/3 gallons and 3/6 gallons already, 3/6 can be reduced to 1/2 then added to the 1 1/3 to give him a total of 1 3/4 gallons. 4 1/2 - 1 3/4 means he’ll need 2 and 3/4 gallons.

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3 years ago

What's the correct answer?

nikdorinn [45]

The answer is B. Rational

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4 years ago

Two objects that are the same shape but not the same size are ___

Sophie [7]

Answer:

The answer to your question: Similar 

Step-by-step explanatioN