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Yakvenalex [24]
3 years ago
5

A television with a 5:4 screen shows an image with a ratio of 25:12 which creates a letter boxed image. What percent of the scre

en's area is occupied by the image?

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
4 0

Answer:75%

Step-by-step explanation:

You know that the ratio of the television's screen is  . This ratio can be also written as the following fraction:

The television shows an image with a ratio of  which can be also written as a fraction:

Set up the following proportion and solve for "x":

Now, in order to find the percent of the screen area occupied make the following division:

Step-by-step explanation:

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I need help pleaseee
kumpel [21]

Answer: $7448

Step-by-step explanation:

Year 1: 1.218x

Year 2: 1.218(1.218x)

Year 3: 1.218(1.218(1.218x))

Year 4: 1.218(1.218(1.218(1.218x)))

Year 5: 1.218(1.218(1.218(1.218(1.218x))))

Year 6: 1.218(1.218(1.218(1.218(1.218(1.218x)))))

Year 7: 1.218(1.218(1.218(1.218(1.218(1.218(1.218x))))))

Year 8: 1.218(1.218(1.218(1.218(1.218(1.218(1.218(1.218x)))))))

Year 9: 1.218(1.218(1.218(1.218(1.218(1.218(1.218(1.218(1.218x))))))))

Year 10: 1.218(1.218(1.218(1.218(1.218(1.218(1.218(1.218(1.218(1.218x)))))))))

Year 11: x(1.218¹¹)

Year 12: x(1.218¹²) = 79,400

         

x(10.6602517) = 79,400

x = 79,400/10.6602517

x=7448.22939

x = $7448

Hope this helps!

6 0
2 years ago
Researches notice a grey whale cruising at a depth of 2333 feet below sea level. It rises 73 feet and then comes up another 40 f
Karo-lina-s [1.5K]

Answer:

2220

Step-by-step explanation:

you subtract 2333-73=2260

then subtract 2260-40=2220

6 0
3 years ago
What is the area of this shape?
Dovator [93]

Answer:

The area of this shape equals 30cm^{2}

Step-by-step explanation:

From the diagram, we can see that this shape is a parallelogram  (since opposite sides are equal to each other). The formula for the area of the parallerlogram is as follows:

Area = bh (where "b" is the base, and "h" is the height).

And so we get...

Area = bh = (10)(3) = 30cm^{2}

3 0
3 years ago
Criminal investigators use biometric matching for fingerprint recognition, facial recognition, and iris recognition. When matchi
Daniel [21]

Answer:

Type I error.

Step-by-step explanation:

Let's remember the definition of Type I error and Type II error:

A type I error is the rejection of a true null hypothesis, this means that we would get a "false positive" with this error.

A type II error is the non rejection of a not true null hypothesis, this error would give us a "false negative".

In this problem, we are told that the mean match score to identify a suspect is 80. However, the test shows that the mean match score is more than 80 when the person doesn't have a fingerprint match (and therefore the person would not be a suspect). Therefore, this person would appear as a suspect when he/she really isn't one. This means that the test is giving a "false positive". Thus, this is a type I error.

6 0
3 years ago
For the middle school dance, the student council ordered 22 balloons printed with the school logo. On the night of the party, 6
77julia77 [94]

Answer:

ANSWER FOR ONE IS 6

AND THE TWO IS:7

4 0
3 years ago
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