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s2008m [1.1K]
3 years ago
10

Striking a tuning fork harder makes the sound coming from the fork louder. This changes the _________ of the sinusoidal graph.

Mathematics
1 answer:
balandron [24]3 years ago
6 0

Answer:

<h2>Amplitude</h2>

Step-by-step explanation:

Basically, when we talk about sound waves, we have certain properties to analyse, where each of them is responsible for a specific effect.

Specifically, in this case, louder sound belongs to bigger amplitude, because the amplitude can be defined as how far is a string from its equilibrium point. In case of a tuning fork, the bigger amplitudes represent a higher movement when it vibrates, which gives louder sounds.

Therefore, the right answer is amplitude.

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In a certain clothing store,6 shirts and 3 ties cost $79.50 ,and 3 shirts and 2 ties cost $41. determine the cost of each shirt.
Komok [63]

Answer:

Each shirt cost $12

Step-by-step explanation:

First, we have to interpret this question and turn each to an equation, letting shirts represent the letter s and ties represent the letter t.

6 shirts and 3 ties cost $79.50 would be interpreted to 6s+3t=79.5 ,and 3 shirts and 2 ties cost $41 would be interpreted to 3s+2t=41

Hence we have two equations, and we solve them simultaneously.

6s+3t=79.5 (Equation 1)

3s+2t=41 (Equation 2)

We can either use the substitution method or the elimination method but for the sake of this question, we use the Elimination method.

6s+3t=79.5 (Equation 1)

3s+2t=41 (Equation 2)

We multiply equation 1 by 2 and we multiply equation 2 by 3, I'm prefer to eliminate the

2(6s+3t=79.5)

12s+6t=159 Equation 3

3(3s+2t=41)

9s+6t=123 Equation 4

We subtract equation 4 from equation 3.

12s+6t=159

9s+6t=123

12s-9s=3s

6t-6t=0

159-123=36

We therefore have

3s=36

Divide both sides by 3

s=36/3

s=12

One shirt cost $12

3 0
3 years ago
The jazz band has 13 members. To raise money for a tour, each member sold r raffle tickets. Write an expression that shows the n
Hunter-Best [27]

Answer:

13 * r

Step-by-step explanation:

If each member sells the same number of raffle tickets, then 13r would show that each of the 13 members will have sold <em>r</em> raffle tickets each. The expression is multiplication.

5 0
3 years ago
22
dalvyx [7]

The first digit may be 1 or 8.

The second digit may be 1, 2, 4, 8.

The third digit may be 1, 3, 5, 7, 9.

There are 2\times4\times5=40\:variants

The probability that this is the correct code is \frac{1}{40}

8 0
2 years ago
Select the true statement(s):
Gre4nikov [31]

Answer:

The true statement is C because between -4 and 14 is 10

Step-by-step explanation:

Plz mark brainliest

6 0
2 years ago
Read 2 more answers
The rate of planting the grass is ` x per square meter. Find the cost of planting the grass on a
kotegsom [21]

Step1: Find the area of the triangular lawn

             Given, base of the triangle is y metres and the height is z metres

             Area of the triangle =

2

1

​

× base × height

             Therefore, area of the triangular lawn =

2

1

​

yz metre  

2

.

Step 2:Find the cost of planting the grass

             Rate of planting the grass is Rs. x per square metre.

             Therefore, the cost of planting the grass on a triangular lawn =cost per square meter × area of the triangular lawn

              =x×

2

1

​

yz=

2

1

​

xyz

Hence, the cost of planting the grass on a triangular lawn whose base is y metres and  height is z metres is Rs.  

2

1

​

x y z.

Step-by-step explanation:

3 0
2 years ago
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