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AlekseyPX
3 years ago
5

Determinar a posição da reta r, de equação 2x-3y+5=0, em relação à reta s, de equação 4x-6y-1=0

Mathematics
1 answer:
My name is Ann [436]3 years ago
5 0

Answer:

2x - 3y =  - 5 -  -  - (a) \\ 4x - 6y = 1  -  -  - (b) \\ no \: answers

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You are a young entrepreneur who ventures into selling milk tea. On the soft opening day, you sold all 50 glasses of classic and
shutvik [7]

Answer:

35 glasses of classic milk tea

15 glasses of flavored milk tea

Step-by-step explanation:

You sold 50 glasses of classic and flavored milk tea.

c + f = 50

You made 4700 when classic tea costs 100 and flavored tea costs 80.

100c + 80f = 4700

Use this system of equation to solve.  Use substitution.  Rearrange the first equation so that it is equal to c.  Then, plug the c-value into the second equation.

c + f = 50

c = 50 - f

100c + 80f = 4700

100(50 - f) + 80f = 4700

5000 - 100f + 80f = 4700

5000 - 20f = 4700

-20f = -300

f = 15

Plug the f-value into one of the equations and solve for c.

c + f = 50

c + 15 = 50

c = 35

35 glasses of classic milk tea and 15 glasses of flavored milk tea were sold.

4 0
3 years ago
The number 160 is increased by 50%. The result is then decreased by 25%. What is the final number?
harkovskaia [24]

Answer:

60

Step-by-step explanation:

50%=.50

160×.50=80

160+80=240

25%=.25

240×.25=60

60 is the final number

8 0
3 years ago
2x=2(x-3) solve equation
vagabundo [1.1K]
Well, by doing the work and trying to solve this equation, i have came to the terms that it is a no solution problem

7 0
3 years ago
Read 2 more answers
Find the volume of a pyramid with a square base, where the perimeter of the base is
Kobotan [32]

Answer:

6.8 cubic feet

Step-by-step explanation:

7.3/4=1.825, which is the side length, 1.825*1.825=20.2575 and then ypu divide 20.2575 by 3 because it is a pyramid and that gives you 6.7525

4 0
4 years ago
Here are four straight line equations.
AnnyKZ [126]

lines a and d are parallel and lines b and c are parallel

6 0
3 years ago
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