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3 years ago

Please help I do not understand

Mathematics

2 answers:

Murljashka [212]3 years ago

5 0

The answer is 8 Feet i think

zlopas [31]3 years ago

3 0

If you dont have it do 64 divided by 1/2 and should get your answer

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The loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square meter, is defined as L = 10 lo

Crazy boy [7]

Answer:

The loudness of the dinner conversation is 40 dB

Step-by-step explanation:

Loudness in dB = 10 $Log_{10}$ $(\frac{I}{I_{o} })$

where $I_{0}$ is the least intense sound a human can hear = $10^{-12}$ W/m^2

For a dinner conversation with sound intensity of $I$ = $10^{-7}$ W/m^2

Loudness = 10 $Log_{10}$ $(\frac{10^{-7} }{10^{-12} })$ = 10 $Log_{10}$ $( 10^{4} )$ = 40 dB

4 0

4 years ago

Read 2 more answers

Correct answer for number 14

DiKsa [7]

Answer: D.

Step-by-step explanation:

1/2 = 3/6. 6 (sides on dice) - 4 = 2. 2/6 chance.

3/6 + 2/6 = 5/6.

Hope this helps!

3 0

4 years ago

solve the equation for x. show each step of the solution. name the justification for each step of the solution 9/2 (8-x) +36=102

Karo-lina-s [1.5K]

1. You have the following equation:

$\frac{9}{2}(8-x)+36=102-\frac{5}{2} (3x+24)$

2. First, you must apply the Distributive property:

$\frac{72}{2}-\frac{9x}{2}+36=102-\frac{15x}{2}-\frac{120}{2}$

3. Simplify:

$36}-\frac{9x}{2}+36=102-\frac{15x}{2}-60$

3. Add the like terms:

$-\frac{9x}{2}+\frac{15x}{2}=102-60-36-36\\ 3x=-30$

4. Solve for $x$ :

$x=-\frac{30}{3} \\ x=-10$

Therefore, the answer is: $x=-10$

3 0

3 years ago

A local golf course charges members $35 an hour for the first four hours, $40 an hour for the next fou

Slav-nsk [51]

Answer:

Step-by-step explanation:

35x4 =140

40x4=160 +

----------------

300$ all together

Hope this helps

And don't forget to mark as brainliest

5 0

3 years ago

Which histogram represents this data set? 71, 72, 72, 72, 72, 76, 76, 75, 75, 78, 78, 79

zaharov [31]

Answer:

The answer is C

Step-by-step explanation:

This is correct I took my exam and it was correct!!

4 0

4 years ago