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babymother [125]
2 years ago
5

HELP MEEE pls (hannah problem)

Mathematics
2 answers:
ikadub [295]2 years ago
7 0
The answer is B ( the tax and tip is equivalent to 8.25 and you have to take it off the total )
Softa [21]2 years ago
4 0

Answer:

I think the answer is A

Step-by-step explanation:

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14 dollars for 9 books
Art [367]

Answer:

$0.64 per book

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the missing parts of the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate.
Katena32 [7]

Answer:

  • A) A = 27.3°, B = 56.1°, C = 96.6°

Step-by-step explanation:

<u>Use the Law of Cosines:</u>

  • A = arccos [(b² + c² - a²)/(2bc)] = arccos [(13.2² + 15.8² - 7.3²)/(2*13.2*15.8)] = 27.3°
  • B = arccos [(a² + c² - b²)/(2ac)] = arccos [(7.3² + 15.8² - 13.2²)/(2*7.3*15.8)] = 56.1°
  • C = 180° - (A + B) = 180° - (27.3° + 56.1°) = 96.6°

Correct choice is A.

3 0
3 years ago
A population of 1,750 cheetahs decreases by 10% per year. How many cheetahs will there be in the population after 11 years? Roun
Triss [41]

Answer:

The answer is C. 546.

If a population decreases by 11%, that means that 89% (100% - 11% = 89%) of cheetahs remains each number. 89% can be expressed as 0.89, so to calculate the change of the population, we must each year multiply the number of cheetahs by 0.89.

After 1 year:     1750 * 0.89 ≈ 1558

After 2 years:  1558 * 0.89 ≈ 1387

After 3 years:  1387 * 0.89 ≈ 1234

After 4 years:  1234 * 0.89 ≈ 1098

After 5 years:  1098 * 0.89 ≈ 977

After 6 years:  977 * 0.89 ≈ 870

After 7 years:  870 * 0.89 ≈ 774

After 8 years:  774 * 0.89 ≈ 689

After 9 years:  689 * 0.89 ≈ 613

After 10 years:  613 * 0.89 ≈ 546

Step-by-step explanation:

4 0
3 years ago
Find the area of the figure shown in square inches.
OLEGan [10]

Answer:

26in^2

Step-by-step explanation:

5 time 4 is 20in^2. plus 2 times 3 is 6in^2.

add 20 and 6 then you get 26in^2.

3 0
2 years ago
Read 2 more answers
The time until failure of an electronic device has an exponential distribution with mean 15 months. If a random sample of five s
Ainat [17]

Answer:

The probability that the first failure occurs among the five devices is given by

(a) 9 months =\frac{9}{15} or  =0.6

(b) 12 months=\frac{12}{15} or = 0.8

Step-by-step explanation:

probability is given as the; number of required outcome/ total number of possible outcome.

6 0
3 years ago
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