How does a sonar system measure distance

1 answer:

3 0

It is a technique that uses propagation to navigate communicate with or detect objects on or under the surface of the water such as other vessels hope this helsp! ^0^

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Mashutka [201]

Answer:

$9 + \frac{n}{3} - 6 = 7$

Step-by-step explanation:

Given

$9 + \frac{n}{3} - 6$

Required

Evaluate when n = 12

Substitute 12 for n in $9 + \frac{n}{3} - 6$

$9 + \frac{n}{3} - 6 = 9 + \frac{12}{3} - 6$

Simplify the fraction

$9 + \frac{n}{3} - 6 = 9 + 4 - 6$

$9 + \frac{n}{3} - 6 = 7$

4 0

3 years ago

The expression below represents the number of boxes of cookies sold by a girl scouts troop with 14 members at the school fair, w

Zinaida [17]

I think it would be The first term indicates that the 14 girl scouts each sold 22 boxes of cookies per additional day of the fair. The second term indicates that the 14 girl scouts each sold 25 boxes of cookies on the first day of the fair.

4 0

3 years ago

Find the sum of 19x3+1(14x+4x3)

Step2247 [10]

Find the sum of 19x3+1(14x+4x)

The answer is 19x3+4x3=4x.

5 0

3 years ago

Last year, Shantell bought a car for $24,000. The current value of the car is $21,000. Find the percent decrease in the value of

Morgarella [4.7K]

<span>Last year, Shantell bought a car for 24 000 dollars. It decreases to 21 000 dollars this current year.
Let’s find for the percentage that it decreased.
=> in 24 000 the 50% is 12 000 as we all know since it’s divided by 2. So meaning, the possible answer is less than 50%.
=> now 25% of 24 000 is 6 000, and the amount that we’re looking is 3000, thus, the answer is 12.5%
=> 24 000 * 0.125 = 3000
=> 24 000 – 3000 = 21 000</span>

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3 years ago

The volume of this cone is 2,279.64 cubic millimeters. What is the height of this cone?

masha68 [24]

Step-by-step explanation:

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3 years ago