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ivann1987 [24]
3 years ago
11

What is the slope of a line perpendicular to the line y = 2x + 5? Type a numerical answer in the space provided. Do not type spa

ces in your answer. If necessary, use the / key to represent a fraction bar.
Mathematics
1 answer:
Rama09 [41]3 years ago
4 0

Answer:

  -1/2

Step-by-step explanation:

The slope of the given line is the coefficient of x, which is 2.

The slope of the perpendicular line is the negative reciprocal of that:

  -1/2

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What is the range of the equation
a_sh-v [17]

The range of the equation is y>2

Explanation:

The given equation is y=2(4)^{x+3}+2

We need to determine the range of the equation.

<u>Range:</u>

The range of the function is the set of all dependent y - values for which the function is well defined.

Let us simplify the equation.

Thus, we have;

y=2 \cdot 4^{x+3}+2

This can be written as y=2^{1+2(x+3)}+2

Now, we shall determine the range.

Let us interchange the variables x and y.

Thus, we have;

x=2^{1+2(y+3)}+2

Solving for y, we get;

x-2=2^{1+2(y+3)}

Applying the log rule, if f(x) = g(x) then \ln (f(x))=\ln (g(x)), then, we get;

\ln \left(2^{1+2(y+3)}\right)=\ln (x-2)

Simplifying, we get;

(1+2(y+3)) \ln (2)=\ln (x-2)

Dividing both sides by \ln (2), we have;

2 y+7=\frac{\ln (x-2)}{\ln (2)}

Subtracting 7 from both sides of the equation, we have;

2 y=\frac{\ln (x-2)}{\ln (2)}-7

Dividing both sides by 2, we get;

y=\frac{\ln (x-2)-7 \ln (2)}{2 \ln (2)}

Let us find the positive values for logs.

Thus, we have,;

x-2>0

     x>2

The function domain is x>2

By combining the intervals, the range becomes y>2

Hence, the range of the equation is y>2

7 0
3 years ago
The ratio of the side length of a square to the square's perimeter is always 1 to 4.
makvit [3.9K]

Answer:

Side length of square (inches): 1 ,2, 4, 7

Perimeter of square (inches). : 4, 8, 16, 28

Step-by-step explanation:

Ratio is 1:4 (S:P).

So:

#:8, #=2. This is because 2/8 and 1/4 both = 0.25.

#:16, #=4. 4/16=0.25

7:#, #=28. 4x7=28, 7/28=0.25

Hope that helps

7 0
2 years ago
Aisha is trying to determine if △LMN and △PQR are similar, congruent, or neither using the information in the diagram.
Digiron [165]

Answer:

option D is the correct ans.

Step-by-step explanation:

They are similar by SSS axiom as the correspoding angles are proportional....

HOPE IT HELPS YOU!!!!!

3 0
2 years ago
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Solve each system using a matrix<br> 7x+2y=5<br> 13x+14y=-1
Svetach [21]

Solve each system using a matrix

7x+2y=5

13x+14y=-1Solve each system using a matrix

7x+2y=5

13x+14y=-1

7 0
3 years ago
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Which is the graph of g(x)?
Solnce55 [7]

Answer:

the answer is letter D

Step-by-step explanation:

3 0
2 years ago
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