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Ne4ueva [31]
3 years ago
13

You bought a magazine for 4$ and 4 books you spent a total of 30$ how much did each book cost

Mathematics
2 answers:
pogonyaev3 years ago
3 0

Answer:

6.5

Step-by-step explanation:30-4=26

26 divided by 4 equals 6.5

iragen [17]3 years ago
3 0

Answer:

$6.50

Step-by-step explanation:

You have a total of 30 dollars

The given statement is that you spent $4 on a magazine, sense we already know this information then we can eliminate the given statement from the total

30-4=26

You have 26 dollars left and must be distributed among 4 books evenly

you must divide 26 by 4

26/4 = 6.5

Each book cost $6.50

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Ben was walking in Manhattan at a constant speed. He went along 5th avenue from 4th to 98th street. At 3:00 he was on 15th stree
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Answer: The starting time is 2:27 and finishing time is 7:09.    


Step-by-step explanation: It is given that Ben started from 4th street and he finished at 98th street.

Also, at 3:00, he was on 15th street and at 4:30, he was on 45th street.

That is, time taken to cover (45-15), i.e., 30 streets is 90 minutes,                           so the time taken to cover 1 street is 3 minutes.

Therefore, Ben covers distance from one street to second in 3 minutes. Since he started from 4th street, and there are 11 streets to cover between 4 and 15, so Ben's starting time was (3:00 - 3×11 min) = 2:27.

And his finishing time was (4:30 + 3×53 min) = 7:09.

Again, the equation that tells us on what street 'N' he was after time 'T' of his starting can be written as

N=4+\dfrac{T}{3.}

Thus, the starting and finishing time was 2:27 and 7:09 respectively.



3 0
3 years ago
The ratio of the measures of the sides of a triangle is 3:7:9. If the perimeter of the triangle is 266 inches, find the length o
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Answer: I simplified it for you lol

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19 + 266 inches

5 0
2 years ago
Activity 3
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Step-by-step explanation:

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Integrate t sec^2 (2t) dt
Neporo4naja [7]
F = t ⇨ df = dt 
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⇔ 
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u = 2t ⇨ du = 2 dt 

As integral of tan u = - ln (cos (u)), you get : 

integral of t sec² 2t dt = (1/4) ln (cos (u)) + (1/2) t tan 2t + constant 
integral of t sec² 2t dt = (1/2) t tan 2t + (1/4) ln (cos (2t)) + constant 
integral of t sec² 2t dt = (1/4) (2t tan 2t + ln (cos (2t))) + constant ⇦ answer 
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3 years ago
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