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Aleks [24]
3 years ago
13

How would I graph this and find the solution to this system. y=-1/2x+4

Mathematics
1 answer:
Lesechka [4]3 years ago
5 0

Answer: Easy, graph and solution

Step-by-step explanation: First what you want to do  use the slope intercept form to find the slope and y intercept; -1/2 and y intercept (0,4). Any line can be graphed using 2 points. Select two x values, plug them into the equation to find the corresponding y values. Solution

1.) Step; x and y

Table:

             0║4

             8║0

  • All you had to do is divide 0=-x/2 +4= .  (8) For the x intercept you get 8and for y you get 4 because you divided  0=-0/2+4

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Please help <br>factories 2 - 50x^2​
denpristay [2]

Answer:

2[(1 + 5x) (1 - 5x)]

Step-by-step explanation:

Given:

Expression

2 - 50x²

Find:

Factorization of the given expression

Computation:

2 - 50x²

By taking 2 as common

⇒ 2[1 - 25x²]

⇒ 2[(1)² - (5x)²]

We know that;

⇒ a² - b² = (a + b)(a - b)

In given expression;

⇒ a = 1

⇒ b = 5x

⇒ 2[(1)² - (5x)²]

2[(1 + 5x) (1 - 5x)]

Factorization of the given expression

2[(1 + 5x) (1 - 5x)]

3 0
3 years ago
Find the value of x.<br> (2x + 30)<br> (5x - 18)
laiz [17]

Answer:

No answer as written.  16 if we add an equals sign.

Step-by-step explanation:

As written, there is no "=" sign in either expression.  That means they are only expressions, not equations.  x can be anything.  10, 12345, 0.00000343345567788, etc.  There is nothing that restricts the value of x.

If we set the two expressions equal to each other, we can calculate a value of x:

(2x + 30) = (5x - 18)

3x = 48

x = 16

6 0
3 years ago
Ben drinks tea at an incredible rate.He drinks 3 1/2 liters of tea every 2/3 of an hour.Ben drinks tea at a constant rate. How m
k0ka [10]
2/3 = 0.66

1 hour = 60

60 x 0.66 = 39.6 or 40

60 - 40 = 20

He would drink 3 1/2 liters every 30 minutes.

He drinks 3 1/2 every hour.
4 0
3 years ago
Ira used 1/2 a gallon of paint to 3/4 of his deck. How many gallons would it take to paint the entire deck?
lara31 [8.8K]

Answer:

2/3 gallons

Step-by-step explanation:

Given data

We have the following data

1/2 gallons is the same as 0.5 gallons

hence 0.5 gallons will cover 3/4 of his deck

           x gallons will cover 1 of his deck

cross multiply we have

3/4*x = 0.5*1 gallons

3x/4= 0.5

3x= 2

divide both sides by 3

x= 2/3

Hence 2/3 gallons will cover the entire deck

3 0
3 years ago
Write -5 4/5 as a decimal<br> -5 4/5=?
dybincka [34]

Answer:

The answer is 5.8

Step-by-step explanation:

8 0
3 years ago
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