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Karolina [17]
3 years ago
9

Select the correct answers from the drop down menu. The formula ? =10log(I/Ia) is used to find the sound level, ?, in decibels (

dB), of a sound with an intensity of I, In the formula, I0 represents the smallest sound intensity that can be heard by the human ear (approximately 10-12 watts/meter^2). The sound level on a busy street is 70 dB. What is the sound intensity on the street?
The sound intensity on the busy street is __ watts/meter^2.
a. 10^-5
b.10^-10
c.10^-1

Mathematics
2 answers:
galben [10]3 years ago
8 0

Answer: 10^-5

Step-by-step explanation: Correct on plato

user100 [1]3 years ago
8 0

Answer:

10^-5

Step-by-step explanation:

it is correct on plato

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Write the slope-intercept form of the equation of the line that is perpendicular to AB and passes through Point X. Show all work
aleksandr82 [10.1K]

Answer:

Equation of line is y=(12/5)x+2

Step-by-step explanation:

The slope of line AB is -5/12. The line passing X is perpendicular to line AB and hence have a slope of 12/5. The slope intercept form is given by y=mx+c.

Now, point X satisfies the equation. Plugging in the slope of the line we end up with

y=(12/5)*x+c, now to find c

-10=(12/5)*(-5)+c, c=2

Equation of line is y=(12/5)x+2

7 0
3 years ago
What is an equivalent fraction of 10/12
BARSIC [14]

Answer:

5/6

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

We can simplify this fraction down further by divide both numerator and denominator by 2:

10/2 = 5

12/2 = 6

5/6 will be equivalent to 10/12

6 0
3 years ago
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Instructions: Determine if the two triangles in the image are congruent. If they are, state how you know by identifying the post
icang [17]

Answer: The triangles are congruent by HL (hypotenuse leg)

We have two right triangles. The tickmarks show the legs are congruent. The hypotenuses are congruent because they overlap perfectly. The hypotenuses are a shared common side. Using HL, we can prove the triangles to be congruent.

Side note: You could use the pythagorean theorem to find the measure of the third pair of sides, and that would lead to using SSS.

7 0
4 years ago
Please help me<br> (????)
Leviafan [203]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
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Semmy [17]

Step-by-step explanation:

5kgthe following ratio in the simplest form

8 0
3 years ago
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