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Fiesta28 [93]
3 years ago
9

A geologist visits 40 volcanoes in Alaska and California.15% of volcanoes are in California.how many volcanoes does the geologis

t visit in California and how many in Alaska?
Mathematics
1 answer:
ziro4ka [17]3 years ago
4 0

Answer:

The answer is 34

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4. The perimeter of a row of tiles is 41 inches. How many tiles are there in the row?
Mandarinka [93]

Answer: 10.25

Step-by-step explanation: add 10.25 4 times and see what you get

3 0
3 years ago
Evaluate 7-5p+3q when p=1 and q=7
KIM [24]

Answer:

23

Step-by-step explanation:

<em><u>Since it gives you the values of p and q, just plug it into the expression:</u></em>

7 - 5p + 3q

7 - 5(1) + 3(7)

7 - 5 + 21

2 + 21

23

3 0
3 years ago
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Several students measured a 25-mm-long nail and wrote the measurements shown in the table below. Whose measurement had the great
garik1379 [7]

Answer:

Step-by-step explanation:

The decibel level of the sound of a monster truck is

Further explanation:

Decibel is defined as a unit which is used to measure the relative loudness or intensity of the sound.

In the question it is given that the intensity of the sound of a monster truck is watts per square inch.

The formula which is used to calculate the decibel level of a sound is as follows:

Here, represents the intensity of the sound of a monster truck and represents the threshold intensity of hearing at .

The value of the threshold intensity of hearing at is watts per square meter.

This implies that the valiue of is watts per square meter.

The intensity of the sound of a monster is given in unit of per square inch.

The relation between per square inch and per square meter is as follows:

So, the intensity of a monster truck is converted into per square meter as follows:

This implies that the value of is watts per square meter.

Now, substitute the value of and in the equation .

The approximated value of the above equation is as follows:

From the above calculation it is concluded that the decibel level of the sound of a monster truck is .

Learn more:

A problem to complete the square of quadratic function brainly.com/question/12992613

A problem to determine the slope intercept form of a line brainly.com/question/1473992

Inverse function brainly.com/question/1632445

Answer details

Grade: Middle school

Subject: Mathematics

Chapter: Logarithms

Keywords: Logarithms, sound, intensity, power of sound, watts, decibel, decibel level, monster truck, logarithm function, unit, conversion of unit, square inch, square meter.

8 0
3 years ago
I need a answer please
andrew-mc [135]

65^2 = 39^2 + b^2

4225 = 1521 + b^2

b^2 = 4225 - 1521

b^2 = 2704

b = √2704

b = 52 inches

4 0
2 years ago
Help pls I’m confused ‍♂️
Oliga [24]

Answer:

I think a number sorry trying to get points for some reason I am out.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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