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Lerok [7]
2 years ago
5

X-y =3xy=28 solve using simultaneous equations -one linear and one quadratic​

Mathematics
1 answer:
Tcecarenko [31]2 years ago
8 0

Answer:

The first problem has no real solution

Step-by-step explanation:

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Suppose y varies directly with x. When x is 2, y is 20. What is x when y is 50
yuradex [85]

Answer:

5

Step-by-step explanation:

x = 2 >>> (Multiply by 10) >>> y = 20

x = ? >>> (Multiply by 10) >>> y = 50

50 ÷ 10 = 5

x = 5 when y is 50

5 0
3 years ago
I'm trying to figure this out, but I can't get it
Katen [24]

Answer:

\sqrt{16 {r}^{6} } \\ ( \sqrt{16 {r}^{6} } )^{2} \\ (4 {r}^{3} )

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2 years ago
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Order the integers from greatest to least 4, -3 , 0, 8 -5
Pavlova-9 [17]

Answer:

8,4,0,-3,-5

Step-by-step explanation:

8 0
4 years ago
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You need to rent a bowling lane. On Friday nights, you have two options. Option A is a $20 lane rental plus $3 per game. Option
ExtremeBDS [4]

For 5 games, the cost will be equal for each option.

Step-by-step explanation:

Given,

Lane rental of offer A = $20

Per game charges = $3

Let,

x be the number of games.

A(x) = 3x + 20

Lane rental is $35 for maximum 10 games.

B(x) = 35

For the cost to be same;

A(x) = B(x)

3x+20=35\\3x=35-20\\3x=15

Dividing both sides by 3

\frac{3x}{3}=\frac{15}{3}\\x=5

For 5 games, the cost will be equal for each option.

Keywords: function, division

Learn more about functions at:

  • brainly.com/question/10772025
  • brainly.com/question/10879401

#LearnwithBrainly

6 0
3 years ago
Is 1.8 repeating rational or irrational number
Yuliya22 [10]

Answer:

Irrational number

Step-by-step explanation:

The number 1.8 isn't repeating so it wouldn't be a repeating rational number.

8 0
3 years ago
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