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kow [346]
3 years ago
12

Solve this system of equations by graphing . first graph the equations then type the solution .

Mathematics
1 answer:
Lena [83]3 years ago
5 0

9514 1404 393

Answer:

  (x, y) = (5, -4)

Step-by-step explanation:

The Desmos graphing calculator is a handy tool for solving questions like this one. It tells you the solution is ...

  (x, y) = (5, -4)

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A merchant bought 1000 electric bulbs at the rate of Rs.150 each. 50 of them were broken on the way and the remaining he sold at
neonofarm [45]

Answer:

₹165.79

Step-by-step explanation:

Given:-

No. of electric bulbs = 1000

cost of each electric bulb = ₹ 150

No. of bulbs broken = 50

Selling price of each bulb = x

Profit percentage = 5%

To Find:-

The selling price of each bulb.

Solution:-

Cost price of 1000 electric bulbs,

= 1000 × ₹150

= ₹1,50,000

5% profit on the total cost price,

= {5}/{100}× ₹150000

= ₹7500

Total selling price = ₹157500

No. of bulbs remaining = 950

Therefore, selling price of each bulb,

= {₹157500}/{950}

= ₹165.79

Therefore,

Selling price of each bulb = ₹165.79

5 0
1 year ago
What is the value of the expression 5b+3c-20+3b-15c+4 when b= 2 and c= -3
Molodets [167]

Answer: 36

Step-by-step explanation:

5(2)+3(-3)-20+3(2)-15(-3)+4

10-9-20+6+45+4

-19+55

36

3 0
3 years ago
Solve for a:<br>9+2a = -3-4a​
lubasha [3.4K]

Answer:

a=-2

Step-by-step explanation:

Let me know if you need the steps tho.

5 0
3 years ago
A color printer prints 29 pages in 12 minutes.<br> How many minutes does it take per page?
Julli [10]

Answer:

b b

Step-by-step explanation:v gv g

8 0
3 years ago
Read 2 more answers
The following proof has an error. Find the error and choose the correct replacement.
Dvinal [7]

Answer:

opposite sides of a parallel are congruent.

Step-by-step explanation:

the symbol between AB and DC stands for "equal to", not parallel. boom roasted. (don't hate me if I'm wrong)

8 0
3 years ago
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