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BigorU [14]
3 years ago
15

Karen and Ann share the cost of a DVD that costs $29.90

Mathematics
1 answer:
Ivan3 years ago
7 0

Answer:

1

Step-by-step explanation:

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Beck finished 30% of his homework in 12 minutes. How many minutes will it take him to complete all of his homework?
Bogdan [553]

Answer: The answer is 40 minutes.

Equation: If m is the total number of minutes it takes him to complete his homework, 30% of m is given by 0.3m. Since 30% was done in 12 minutes, we have 0.3m=12.

4 0
3 years ago
The president of a certain University receives a salary that is three times the salary of one of the department heads the total
Furkat [3]

<u>Answer:</u>

$142500

<u>Step-by-step explanation:</u>

We are given that the resident of a certain University receives a salary that is three times the salary of one of the department heads.

Assuming x to be the salary of the department head, if the total of the two salaries is $190000, we are to find the salary of the president of the University.

We can write an equation in terms of x:

3x+x=190000

4x=190000

x=47500

Salary of the president of the University = 3(47500) = $142500

5 0
3 years ago
16+24/8-6 is equal to________
Yuliya22 [10]

Answer: The answer is 28. Hope this helps:)

8 0
3 years ago
Read 2 more answers
Scientists on a submarine are investigating Earth's magnetic field.
Contact [7]

Answer:

Net_change_in_depth  = 450/7 ft = 64 2/7 ft

Step-by-step explanation:

Missing info attached below

Depth_of_the_frequency_signal = -180 4/7  ft =  -1264/7 ft

Depth_of_the_submarine  = -116 2/7  ft =  -814/7 ft

Net_change_in_depth =

Depth_of_the_submarine  -  Depth_of_the_frequency_signal

Net_change_in_depth  =  -814/7 ft  -  (-1264/7 ft)

Net_change_in_depth  = 450/7 ft = 64 2/7 ft

6 0
3 years ago
Read 2 more answers
I need help with this question pleaseeee
Softa [21]

Answer: 639

Step-by-step explanation:

i might be wrong but that's how i was taught! :)

8 0
3 years ago
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