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kherson [118]
3 years ago
15

PLEASE HELP WILL MARK AS BRAINLEST

Mathematics
2 answers:
laiz [17]3 years ago
7 0
It is 16 because 3x16=48 and 4x16=64!
Ilya [14]3 years ago
4 0
Answer:16 is the answer
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5n + 34 = -2 ( 1 - 7n)<br>this is due by midnight.<br><br>NO LINKS PLEASE!
kodGreya [7K]

Answer :

n = 4

Step-by-step explanation:

5n + 34 = -2(1-7n)

first distribute

5n + 34 = -2(1) -2(-7n)

5n + 34 = -2+14n

-5n

+2

then get all of n to the same side

36 = 9n

isolate the variable

36/9 = 9n/9

4 = n

7 0
3 years ago
Read 2 more answers
D is the midpoint of C. E has coordinates (-3,-4), and D has coordinates (7,5). Find the coordinates of
const2013 [10]

Answer:

i need a pic to answer

Step-by-step explanation:

sorry

3 0
3 years ago
An online data base charges $25 an hour during the day and $12.50 an hour at night. If a research company paid $250 for 12 hours
Firdavs [7]

Answer

Find out the  which system of equations could be used to determine the number of hours charged at the day rate (d) and at the night rate (n) .

To proof

As given in the question

Let us assume that the number of hours charged at the day rate = d

Let us assume that the number of hours charged at the night rate = n

An online data base charges $25 an hour during the day and $12.50 an hour at night. If a research company paid $250 for 12 hours of use.

Total working hour in a company including day and night be  12 hours .

than the equation become in the form

d + n = 12

also

An online data base charges $25 an hour during the day

$12.50 an hour at night.

If a research company paid $250 for 12 hours of use.

than the equation becomes

25d + 12.50n = 250

than the two equation are

d + n = 12 , 25d + 12.50n = 250

multiply first by 25 and subtracted  from 25d + 12.50n = 250

25d - 25d + 12.50n - 25n = 250 - 300

12.5 n = 50

n = \frac{50}{12.5}

n = 4hours

put this in the d + n = 12

d + 4 =12

d = 12-4

d = 8 hours

Therefore the number of hours charged at the day rate  is 8 hours  and at the night rate is  4hours .

Hence proved



4 0
3 years ago
Please answer fast need help
Diano4ka-milaya [45]

Answer:

\fbox{y=3x-4}

Step-by-step explanation:

Let me know if you want the full explanation. Have a great day! ❤

7 0
3 years ago
Which graph represents y=^3sqrt x-5​
Lelechka [254]

Answer:

4

Step-by-step explanation:

Graph 4

7 0
3 years ago
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