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faust18 [17]
2 years ago
8

How many solutions does lx+7l=-1

Mathematics
1 answer:
e-lub [12.9K]2 years ago
6 0

Answer:

No solution

Step-by-step explanation:

An absolute value equation cannot equal a negative number.

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Find the distance between the point (2, 3) and the line 4x + 3y = 10 (round your answer to the nearest tenth).
Monica [59]

Explanation

Let's first graph the elements:

Using the distance formula we get:

d=\frac{|4(2)+3(3)-10|}{\sqrt{4^2+3^2}}d=\frac{|7|}{\sqrt{25}}=\frac{7}{5}=1.4

4 0
1 year ago
Suppose that y varies directly with x<br> and y = 10 when x = 20. What is y<br> when x = 15?
tresset_1 [31]

Answer: y = 7.5

Step-by-step explanation:

Suppose that y varies directly with x

That is, y∝x

Convert y∝x to a full equation by introducing a constant k to the right hand side.

Therefore, y = kx

Given that y = 10 and x = 20

Substitute y and x in the equation above. We have;

10 = k(20)

10 = 20k

20k = 10

k = 10/20

k = 0.5

Since k = 0.5, the equation y = kx becomes y = 0.5x

Now, to find y if x = 15, substitute x in equation y = 0.5x

Therefore, y = 0.5(15)

y = 7.5

5 0
3 years ago
I need help graphing 2x - 6y = 42 I'm just really lazy​
solong [7]

Answer:

We can use slope intercept form to get the points needed. Y= -7+1/3x The points are (0,-7) and (3,-6)

Step-by-step explanation:

Subtract 2x from the left side and place it over to the right side with the 42. Now we have -6y= 42-2x. From here we divide by -6 and we get y= -7+1/3x. We know that are slope is 1/3 which the one is the rise and the 3 is the run. We also know that our y intercept is -7. We plot the points at (0,-7) and (3,-6)

3 0
3 years ago
5u − –20u − u − 18u + –11u = 10<br> HURRRY PLEEEEESEEEE I ONLY HAVE 4 minutes left
drek231 [11]
5u - (-20u) - u - 18u + (-11u) = 10
5u + 20u - u - 18u - 11u = 10
-5u = 10
-5(-2) = 10

So, in conclusion, X, is equal to -2.
8 0
2 years ago
A landscape architect is designing a pool that has this top view<br>​
denpristay [2]

Answer:

what view?

and whats the question?

Step-by-step explanation:

4 0
2 years ago
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