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olga55 [171]
3 years ago
6

Wich one is cheer to buy 20 for 4.40 or 24 for 4.80

Mathematics
1 answer:
lawyer [7]3 years ago
6 0
4.4/20=0.22 per item 4.8/24=0.2 per item Answer: 24 for 4.80
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Can someone help me please
ki77a [65]
<span>x = -2.375 Hopefully that helps :)</span>
8 0
2 years ago
find the solution to the system. write your solution as an ordered pair (x,y) with no spaces, no solution or infinitely many 2x-
Kitty [74]

Answer:

(-8,4)

Step-by-step explanation:

Given: 2x-3y=-28 and x+6y=16

solve for a variable and then substitute back into other equation

x + 6y = 16

x = 16 - 6y; now use this in the other equation

2x - 3y = -28; substitute into x

2(16 - 6y) - 3y = -28; distribute 2

32 - 12y - 3y = -28; combine y's

32 - 15y = -28; isolate 15y

32 + 28 = 15y; add the numbers

60 = 15y; divide by 15

y = 4

Now use this to plug into other equation

x + 6y = 16; y=4

x + 6(4) = 16;

x + 24 = 16; subtract 24 from both sides

x = -8

4 0
3 years ago
What is the derivative of x(sinx^2)
vichka [17]
D over dx (x sin^2(x)) = sin(x) (sin(x) + 2 x cos(x))
5 0
3 years ago
Order 2.000 D5W IV to infuse over 12 hoursThe drop factor is 15 gtt/. Calculate the rate in gtt / min
PilotLPTM [1.2K]

Answer:

42gtt/m

Step-by-step explanation:

According to the scenario, computation of the given data are as follows,

Flow rate in gtt/min = (Total fluid in ml × Drop factor) ÷ (Total hours × 60)

Where, Total fluid in ml = 2,000ml

Drop factor = 15gtt/m

Total hours = 12hours

By putting the following value in the formula, we get

Flow rate in gtt/min = (2,000 × 15) ÷ (12 × 60)

= 30,000 ÷ 720

= 41.67 or 42gtt/m

5 0
3 years ago
How to calculate this question?
Degger [83]

Answer:

if you use perimeter area you can get answer

8 0
2 years ago
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