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slava [35]
3 years ago
9

How many solutions does the system have ? 20x - 5y = 5 4x - y = 1

Mathematics
2 answers:
Mariana [72]3 years ago
6 0

Answer:

Infinite

Step-by-step explanation:

Khan academy

Aleks04 [339]3 years ago
3 0

Answer:

Infinite solutions.

Step-by-step explanation:

Just plug your equation into desmos graphing calculator and it will graph it for you. If it is infinite the two lines will lay on top of one another. If there is only one solution it will be where the two lines intersect. If there are no solutions the two lines will be parallel.

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8 0
3 years ago
Please help i really don't know the answer.
inn [45]

Answer:

95 degrees

Step-by-step explanation:

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8 0
3 years ago
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If a line has a slope of 4 and contains the point (-2, 5), what is its equation in point-slope form?
Sveta_85 [38]

Answer:

The equation of the line is y = 4x + 13

Step-by-step explanation:

In this question, we want to write the equation of the line using the point slope form.

Mathematically, the point slope form can be represented as;

(y-y1) = m(x - x1)

where x1 = -2 , y1 = 5 and m which is the slope is 4

Plugging these values into the equation, we have;

(y-5) = 4(x - (-2))

y-5 = 4(x + 2)

y -5 = 4x + 8

y = 4x + 8 + 5

y = 4x + 13

8 0
3 years ago
Need help + explanation!! ^_^
Paha777 [63]
780, or C, is correct.  Since 9.75 is 1/80th of the actual measurement, we can set up an equation like this:

9.75 = 1/80x

Then multiply each side by 80:

780 = x

The actual building's height is 780 ft.

We can check this answer by plugging in 780 for x in the original equation:

9.75 = 1/80(780)

9.75 = 9.75

Check! <span>✓</span>
3 0
3 years ago
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Mashutka [201]

Answer:

12 ounces

Step-by-step explanation:

Answer above.

4 0
3 years ago
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