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WARRIOR [948]
3 years ago
9

If X = 2 inches, Y = 8 inches, W = 4 inches, and Z = 4 inches, what is the area of the object?

Mathematics
1 answer:
max2010maxim [7]3 years ago
4 0

Answer:

C. 63 square inches

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dolphi86 [110]

Answer:

x = <u>12/5</u>

Step-by-step explanation:

Since the original is 10 and the second is 6, that means that the scale is 10:6 or 5:3.  It can also be related as %60 of the length.

<u>Step 1:  Make an equation</u>

10/6 = 4/x

<u>Step 2:  Cross Multiply</u>

10x = 24

<u>Step 3:  Divide</u>

10x / 10 = 24 / 10

24/10 = 12/5

x = 2.4

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3 years ago
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3 years ago
Solve:<br> X + y = 4<br> -5x - 6y = -18
LiRa [457]

Answer: x = -5, y = 9

Step-by-step explanation:

The solution to the system of equations can be represented as a point.

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3 years ago
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OleMash [197]
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3 years ago
Veterinary researchers at a major university veterinary hospital calculated a 99% confidence interval for the average age of hor
mestny [16]

Answer:

c. we are 99% confident that the true mean age of horses with laminitis is between 6.3 and 7.4 years old.

Step-by-step explanation:

Given that veterinary researchers at a major university veterinary hospital calculated a 99% confidence interval for the average age of horses admitted for laminitis, a foot disease that leaves the horse severely lame, as 6.3 to 7.4 years.

i.e. if X is the age of horses admitted for laminitis then the sample mean i.e. x bar follows a distribution with 99% confidence interval as

(6.3,7.4)

The interpretation of 99% confidence interval is the for sample of large size drawn at random from population we can be 99% confident that the sample mean will fall within this interval.

So the correct option is

c. we are 99% confident that the true mean age of horses with laminitis is between 6.3 and 7.4 years old.

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