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Ivanshal [37]
3 years ago
10

Basir buys 4 small drinks for $6.Write an equation to represent the cost,c,for d small drinks

Mathematics
2 answers:
Furkat [3]3 years ago
7 0

Answer: $6.00/4= $1.50.

Step-by-step explanation: Divide the $6 in 4. 4 goes into 6 one time and 6-4=2. Bring the 0 down. That’s 20. 4 goes into 20 five times. You’ll get 0 after you subtract that. Bring the 0 down. 4 goes into 0 zero times. Put the 0 on the “roof”. You’ll get $1.50

KiRa [710]3 years ago
5 0

Answer:

4c = $6

4c/4 = $6/4

c = $1.50

Step-by-step explanation:

Each small drink costs $1.50.

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A rectangle has a length of 14 yards less than 9 times its width. If the area of the rectangle is 6183 square yards, find the le
Jlenok [28]

Answer:

 l=238\ yards

Step-by-step explanation:

From the question we are told that:

Area of Rectangle A=6183

Equation of Length

 l=9w-14

Where

w=width\ of\ triangle

Generally the equation for Area of Rectangle is mathematically given by

 A=(9w-14)w

 A=9w^2-14w

 6183=9w^2-14w

 9w^2-14w-6183=0

 w=28

Therefore

 l=9(28)-14

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4 0
3 years ago
Which quadrant does the coordinate (-8, 12) lie?
marysya [2.9K]
In quadrant 2 is where it lies.
3 0
2 years ago
The system of equations
cupoosta [38]

Answer:

z = -12

Step-by-step explanation:

The given system of equations is:

xy/(x + y) = 1 ...........................(1)

xz/(x + z) = 2...........................(2)

yz/(y + z) = 3...........................(3)

From (1): x + y = xy

=> y = xy - x

y = x(y - 1)

x = y/(y - 1).......................................(4)

From (2): 2(x + z) = xz

=> 2x + 2z = xz

2x = xz - 2z

2x = z(x - 2)

z = 2x/(x - 2) ....................................(5)

From (3): 3(y + z) = yz

=> 3y + 3z = yz

3y = yz - 3z

3y = z(y - 3)

z = 3y/(y - 3)....................................(6)

Comparing (5) and (6)

2x/(x - 2) = 3y/(y - 3)

2x(y - 3) = 3y(x - 2)

2xy - 6x = 3xy - 6y

6(y - x) = xy .................................(7)

But from (1): xy = x + y

Using this in (7), we have

6(y - x) = x + y

6y - y - 6x - x = 0

5y - 7x = 0

5y = 7x

x = 5y/7................................................(8)

Using this in (4)

5y/7 = y/(y - 1)

1/(y - 1) = 5/7

(y - 1) = 7/5

y = 1 + 7/5

y = 12/5..........................................(9)

Using this in (8)

x = 5(12/5)/7 = 12/7 .......................(10)

Using (10) in (5)

z = 2x/(x - 2)

z = 2(12/7) ÷ (12/7 - 2)

= 24/7 ÷ -2/7

= 24/7 × (-7/2)

= -24/2 = -12

z = -12.

4 0
3 years ago
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Answer:

Step-by-step explanation:

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10.5 is the standard deviation for the data set to the nearest tenth hope this helps;)

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