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4 years ago

6 ÷ 2.64 i don't know how to work out this problem

Mathematics

1 answer:

Keith_Richards [23]4 years ago

3 0

6/2.64 is 2.27. Just divide them

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A car rental agency has 18 vehicles available, of which 3 are convertibles. What is the probability that a randomly selected veh

Westkost [7]

Answer:

$\frac{1}{6}\\$

Step-by-step explanation:

To find the probability, divide the number of desired outcomes by the total:

This will be 3/18, since there are 3 convertibles and there are 18 total cars

Simplify 3/18

= $\frac{1}{6}$

7 0

3 years ago

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

slamgirl [31]

Answer:

$db_1 = 10 log_{10} (\frac{10^{-9}}{10^{-12}})= 30 db$

And using the same formula we can find the number of decible for the Braylee's music:

$db_2 = 10 log_{10} (\frac{10^{-3}}{10^{-12}})= 90 db$

And since we want to find how many times louder is Braylee’s music than Jessica’s we can find the following relationship:

$\frac{db_2}{db_1} = \frac{90 dB}{30 dB}= 3$

So then we can conclude that the Braylee's music is 3 times louder then the Jessica's sound. And the best option would be:

3 times louder

Step-by-step explanation:

For this case we know that the loudness measured in decibels is given by this formula:

$dB = 10 log_{10} (\frac{I}{I_o})$

Where $I_o = 10^{-12} W/m^2$ . Using this formula we can find the decibels for the sound for Jessica:

$db_1 = 10 log_{10} (\frac{10^{-9}}{10^{-12}})= 30 db$

And using the same formula we can find the number of decible for the Braylee's music:

$db_2 = 10 log_{10} (\frac{10^{-3}}{10^{-12}})= 90 db$

And since we want to find how many times louder is Braylee’s music than Jessica’s we can find the following relationship:

$\frac{db_2}{db_1} = \frac{90 dB}{30 dB}= 3$

So then we can conclude that the Braylee's music is 3 times louder then the Jessica's sound. And the best option would be:

3 times louder

3 0

3 years ago

What is the base of the expression 11^12? 3 11 12 21

Sever21 [200]

Answer:

An exponential has the base at the bottom, or the lower portion. Think of "basement" to help remember this. The exponent is the number up top, so 12 is the exponent

therefore, the correct answer is 11

5 0

3 years ago

Read 2 more answers

Help with these 3 please

kvasek [131]

If we are trying to solve this then the variable A would be equivalent to 2/5 or A < 2/5

7 0

3 years ago

The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. The room is 109 inches long

Fynjy0 [20]

Find the total area of the room
109 * 103 = 11227 inches^2
the tile takes up 3*3 = 9 inches^2
11227/9 = 1247.4
You need 1247 tiles and 0.4 of a tile.
Or you could just get 1248 and cut the last tile a bit :P

Hope this helps :)

4 0

3 years ago

Read 2 more answers