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pshichka [43]
3 years ago
11

Multiply 5/12 and the multiplicative inverse of -1/4​

Mathematics
1 answer:
IgorC [24]3 years ago
4 0

Answer:

The answer is -2

Step-by-step explanation:

Hope it helps :)

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Add and simplify: 9/16 + 1/2=?
kozerog [31]
9/16+ 1/2
= 9/16+ (1*8) / (2*8) 
= 9/16+ 8/16 (common denominator is 16)
= (9+8)/16
= 17/16
= (16+1)/16
= 16/16+ 1/16
= 1+ 1/16
= 1 1/16

The final answer is 1 1/16~
8 0
3 years ago
Read 2 more answers
Which of the following points does not lie on the graph of y=1/2x+3?
Gennadij [26K]

Answer:

B

Step-by-step explanation:

8 0
2 years ago
Shayla tutors middle school students and high school students. She charges a different rate for each. Last week, she tutored mid
Veronika [31]

Answer:

<em>Shayla charges $20 per hour for middle school students and $25 per hour for high school students.</em>

Step-by-step explanation:

<u>System of Equations</u>

Let's call:

x = Shayla's hourly charge for middle school students

y = Shayla's hourly charge for high school students

Last week, Shayla tutored middle school students for 5 hours and high school students for 12 hours. The total earning was 5x+12y. She earned $400 last week, thus:

5x + 12y = 400        [1]

This week, she tutored middle school students for 6 hours and high school students for 10 hours. The total earnings were 6x+10y and it represented $370, thus:

6x + 10y = 370

Dividing by 2:

3x + 5y = 185        [2]

We have formed the system of equations:

5x + 12y = 400        [1]

3x + 5y = 185        [2]

Multiply [1] by -3 and [2] by 5:

-15x - 36y = -1200

15x + 25y = 925

Adding both equations:

-11y = -275

Dividing by -11:

y = -275/(-11) = 25

y = 25

Substituting in [1]:

5x + 12*25 = 400

5x + 300 = 400

5x = 400 - 300 = 100

x = 100/5 = 20

x = 20

Shayla charges $20 per hour for middle school students and $25 per hour for high school students.

7 0
3 years ago
Please help due today!
yanalaym [24]

Answer:

X = 27

Step-by-step explanation:

a right is 90 so take 63 from the 90 and you

get 27

5 0
3 years ago
Sapphire Island is open 7 days a week. The park has 8 ticket booths, and each booth has a ticket seller from 10:00am to 5pm. On
Oksanka [162]

Answer:  Hope this helps.

Step-by-step explanation:

8 0
3 years ago
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