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Luba_88 [7]
3 years ago
11

What is the length of the longest possible laser beam he could send rounded to the nearest tenth of an inch?

Mathematics
1 answer:
Ludmilka [50]3 years ago
3 0

Where is the diagram????????

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Rectangle ABCD has vertices at (-7,-2); (1, -2); (1, -8); and (-7, -8) respectively. If GHJK is a similar rectangle where G(2, 5
Gennadij [26K]

Answer:

Points J and K could be located at:

J(2,2)

K(6,2)

Step-by-step explanation:

Consider the vertices have a x and y coordinate:

A: x coordinate=-7  y coordinate=-2

B: x coordinate=1  y coordinate=-2

C: x coordinate=1  y coordinate=-8

D: x coordinate=-7  y coordinate=-8

G: x coordinate=2  y coordinate=5

H: x coordinate=6  y coordinate=5

Then it is possible to calculate the distance between the x and y coordinates:

x coordinate of Vertices AB:

x coordinate of B- x coordinate of A=1-(-7)=8

The distance between A and B is 8

y coordinate of Vertices AC:

y coordinate of A- y coordinate of C=-2-(-8)=6

The distance between A and C is 6

Then we know that the side AB of Rectangle ABCD measures 8 and the side AC, measures 6.

Repeat the analysis  with Rectangle GHJK. In this case, is only possible to calculate the distance with x coordinate.

x coordinate of Vertices GH:

x coordinate of H- x coordinate of G=6-(2)=4

The distance between G and H is 4

We can see that the distance in x of the Rectangle ABCD is 8, and the distance in x of the Rectangle GHJK is 4, it means that <em>the measure of ABCD is twice GHJK.</em>

Then, if the distance in y coordinate of Vertices AC is 6, we could say that the distance in<em> y coordinate of Vertices GJ is 3.</em>

<em />

Points J and K could be located at:

J(2,2)

K(6,2)

3 0
3 years ago
The regular selling price of a pair of men's jeans is $39.99. The markdown rate is 20%. What is the sale price of the jeans to t
Nastasia [14]
Take the original price, multiply it by 20% (you have to move the decimal place two to the left, so it becomes .2), then subtract the answer from the original price. 
39.99*.2= $7.998
39.99-7.998= $31.99
If you wanted to, you could also round the $7.998 to $8.00. Your answer would be the same. 
5 0
3 years ago
Which table of ordered pairs represents a proportional relationship?
Shkiper50 [21]

Answer:5

Step-by-step explanation:

7 0
3 years ago
Twenty (20) is what percent of 10% of 4,000?
kozerog [31]

Answer:

400

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
What is the median of the following distribution?
Vikentia [17]

Answer:

37

Step-by-step explanation:

24 25 26 28 29 31 33 35

37

38 40 42 43 46 55 56

Median is the middle no. so if I have 8 on each side the middle no. would me the median

7 0
3 years ago
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