MATHEMATICS HIGH SCHOOL

Brent is making a playlist for an upcoming trip. The average length of a song is 3.53 minutes If the flight is about 120 minutes, how many songs should be put on his playlist​

Answers

Answer 1
Answer:

Answer:

34 songs

Step-by-step explanation:

120min/3.53 = 33.99
Answer 2
Answer:

average length of a song = 3.53 minutes

time duration of flight = 120 minutes

no. of songs that should be put on his playlist

= 120/3.53

= 33.99....

= 34 ( approximately )

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Veronika’s five test scores are 59, 80, 95, 88, and 93. If the outlier of 59 is removed, what is the mean absolute deviation of the remaining four test scores?4.5
5
10.8
36

Answers

5  ok so the data value mean is 89 and you compare it and get the numbers 9 6 1 and4 then you mean that to get 20/4 which is 5

Answer: 5

Step-by-step explanation: Your answer is found by calculating the mean of 59, 80, 95, 88, 93. then show what the outlier would do if it was added, then after removing the outlier of 59, calculate how far  the other numbers are from the mean. then divide your answer by how many numbers there are to get 5. otherwise said:

(59,80,95,88,93)-59=(80+95+88+93)*/. 4=89, then 80,95,88,93=MAD= 89-80,95,88,93=(9,4, 1, 4)*/.4=4.5 ~ 5

A sighting from sea level to the top of a lighthouse was 60°. The lighthouse is known to rise 180 feet above sea level. What is the distance (to the nearest foot) between the observer and the base of the lighthouse?Can someone explain this one for me?

Answers

the answer is 60root3
you can do it by using trignometry.

Find the inverse of the following f(x)=-3x^2+3 X>0

Answers

Answer

f^-1(x) =√[(3-x)÷3]

Step-by-step explanation:

y=-3x^2+3

interchange 'y' with 'x'

x=-3y^2+3

make y the subject

3y^2=3-x

divide by '3' both sides

y^2=(3-x)÷3

apply square root both sides

√(y^2)=√[(3-x)÷3]

y=√[(3-x)÷3]

f^-1(x) =√[(3-x)÷3]

the inverse of the given function is

f^-1(x)=√[(3-x)÷3]

Which one of the following mathematical statements is true?A. 28 + 0 = 0
B. 0 ÷ 28 = 0
C. 28 – 0 = 0
D. 28 ÷ 0 = 0

Answers

B. 0 ÷ 28 = 0

Is the mathematical statement that is true.

Rule of ZERO. Zero(0) can be a numerator with non-zero denominator. Its overall value is equal to 0.

Rule of ZERO. A fraction with a denominator of ZERO is not a legal fraction. This is because the overall value of a number divided by zero is undefined.

28 + 0 = 28 not 0.
28 - 0 = 28 not 0.
28 ÷ 0 = ERROR! not 0. value is undefined

The sum of the measures of angle 4,7, and _____ is equal to 180

Answers

7 I think because if you would put a zero behind the 4 and 7 and add them together it will be 110 and all that's left if u subtract them from 180 is 70 (7)

Jasmine has painted two of her bedroom walls. She wants to put decorative trim around the perimeter of the walls and around the door and window. The ceiling is 8 feet high. One wall is 18 feet in length, but it has a French door measuring 5 feet wide and 7 feet tall. The other wall is 15 feet in length and has a large window measuring 6 feet wide and 3 feet tall. She will not put trim at the base of the door.

Answers

Given the data below, the total length or amount of decorative trim can be calculated. It can be said that the total length of decorative trim is equal to the total perimeter of the two walls, the window, and the door, minus the base of the door.

Wall 1 = 2(8) + 2(18) = 52 ft.
Wall 2 = 2(8) + 2(15) = 46 ft.
Window = 2(3) + 2(6) = 18 ft.
Door = 2(7) + 5 = 19 ft.

Total length = 52+46+18+19 = 135 ft. of decorative trim

Answer:

Step-by-step explanation:
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