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dezoksy [38]
3 years ago
15

Elsa tries to solve the following equation, and determines there is no solution. Is she correct? Explain.

Mathematics
2 answers:
GaryK [48]3 years ago
7 0

The spot on correct answer for this is....


Identify the system of equations that can be graphed to solve the problem.

Use the change of base formula.

Determine that the graphs of the two equations do not intersect.

Determine that Elsa is correct; the equation has no solution.

Vlad [161]3 years ago
3 0
Elsa's answer is incorrect since there is a solution of the given equation. In the given logarithmic problem, we need to simplify the problem by transposing log2(3x+5) in the opposite side. The equation will now be log2x-log2(3x+5)=4. Using properties of logarithm, we further simplify the problem into a new form log (2x/6x+10)=4.  Then transform the equation into base form 10^4=(2x/6x+10) and proceed in solving for x value which is equal to 1.667. 
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8 0
3 years ago
Solve the system of linear equations.
RoseWind [281]

Answer:

1. No solution

2. Infinite solutions

Step-by-step explanation:

1. To solve the system, set the equations equal to each other and solve for x.

2x - 5 = 2x + 7

-5 = 7

This is a false statement. This means there is no solution.

2. To solve the system, graph each equation.

y = -3/4 x - 5/2 has a y-intercept -5/2 and slope -3/4.

3x + 4y = -10 converts to y = -3/4x -5/2.

This graphs as the exact same line. This system has infinite solutions.

4 0
3 years ago
Your carry on bag can weigh at most 40 ponds. Write and solve an inequality to represent how much more weight you can add to the
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Answer:

82ibs - 40ibs = 22ibs

Step-by-step explanation:

5 0
3 years ago
The area of a compact disc is 78.53 square centimeters. What is the radius of the disc? Use pi = 3.14
Tom [10]

Answer:

r = 5 cm

Step-by-step explanation:

A = πr²

78.53 = (3.14)r²

divide by 3.14

25 = r²

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r = 5

5 0
3 years ago
What is the volume of the sphere shown below with a radius of 3? ​
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3 0
3 years ago
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