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Tema [17]
3 years ago
13

I GIVE THANKS AND 5 STARS look at the screenshot, help?? Please tell me how you got it!!

Mathematics
1 answer:
IrinaVladis [17]3 years ago
3 0
We have to find out the coordinates of two points to find out the slope.
according to the figure,
first point is x1 = 1 & y1 = 2
second point is x2 = 4 & y2 = 1

slope = (y2 - y1) / (x2 - x1)
= (1-2) / (4-1)
= -1 / 3
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5x + 2y=7<br> - 2x + 6y=9
ollegr [7]

Answer:

x = \frac{12}{17} or 0.706

y = \frac{59}{34} or 1.735

Step-by-step explanation:

5x + 2y=7    ----->(eq 1)

- 2x + 6y=9 ----->(eq 2)

Multiply (eq 1) with 3

3×(5x + 2y) = 3×7  

15x + 6y = 21  ----->(eq 3)

substract (eq 3) from (eq 2)

- 2x + 6y - (15x + 6y) = 9-21

- 2x + 6y - 15x - 6y = 9-21

- 2x - 15x + 6y - 6y = 9-21

-17x = -12

x = -12 ÷ -17

x = \frac{12}{17}

put x = \frac{12}{17} in (eq 1)

5*\frac{12}{17} + 2y = 7

2y = 7- 5*\frac{12}{17}

2y = \frac{7*17 - 60}{17}

2y = \frac{119- 60}{17}

2y = \frac{59}{17}

y = \frac{59}{17*2}

y = \frac{59}{34}

6 0
3 years ago
Given that, 1 Chinese yuan = £0.11, convert £460 into Chinese yuan. Give your answer to the nearest yuan.
Ugo [173]

Answer:

i so want to know this aswell

Step-by-step explanation:

8 0
3 years ago
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Ravi bought 50kg rice at the rate it tk40 per kg and sold it at the rate of tk44 per kg. What is the amount of profit or loss?
ololo11 [35]

Here is your Answer

Step-by-step explanation:

Ravi bought rice = 50kg

Rate it =40kg

Sold it at the rate = = 44kg

<h3>Answer: -34</h3><h2 /><h2 /><h2>Mark me as brainlist and give me 20 thx pls</h2>
6 0
2 years ago
Can someone please help me !!i really need this answer
Zarrin [17]
Yes they are congruent because they are reflecting on to each other
4 0
3 years ago
Which solid figure has the following net?
tigry1 [53]
The answer is Square pyramid
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3 years ago
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