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Cloud [144]
3 years ago
8

Explore the difference between volume and pitch as well as what causes them.

Mathematics
1 answer:
olchik [2.2K]3 years ago
8 0

Answer:

Sound energy is produced when a force causes an object or substance to vibrate. The energy is then transferred through the substance in waves, called sound waves.

Step-by-step explanation:

You might be interested in
In rhombus MOTH, angle HTM=(5x+6) degrees. If angle HMO=(12x-6)degrees, what is angle HMO?
forsale [732]

Answer:

m∠HMO=102°

Step-by-step explanation:

we know that

In a Rhombus the diagonals bisect the angles and opposite angles are equal

In this problem

Angles HMO and HTO are opposite angles

m∠HMO=m∠HTO

m∠HTM=(1/2)m∠HMO ----> because the diagonals bisect the angles and opposite angles are congruent

substitute the values

(5x+6)\°=(1/2)(12x-6)\°

solve for x

10x+12=12x-6\\12x-10x=12+6\\2x=18\\x=9

<em>Find the measure of angle HMO</em>

m∠HMO=(12x-6)°

substitute the value of x

m∠HMO=(12(9)-6)=102°

see the attached figure to better understand the problem

5 0
4 years ago
The product of the forth and tenth terms of an arithmetic progression is 189. Dividing the eighth term by the third term gives 2
babymother [125]

Answer:

The first term is 3, and the common difference is 2.

Step-by-step explanation:

The nth term of an arithmetic sequence is:

a = a₀ + d (n − 1)

We are given two equations:

a₄ a₁₀ = 189

a₈ = 2 a₃ + 3

Where:

a₃ = a₀ + d (3 − 1) = a₀ + 2d

a₄ = a₀ + d (4 − 1) = a₀ + 3d

a₈ = a₀ + d (8 − 1) = a₀ + 7d

a₁₀ = a₀ + d (10 − 1) = a₀ + 9d

Substituting:

(a₀ + 3d) (a₀ + 9d) = 189

a₀ + 7d = 2 (a₀ + 2d) + 3

Two equations, two variables.  First, simplify:

a₀² + 12 a₀ d + 27d² = 189

0 = a₀ − 3d + 3

Solve for a₀ in the second equation and substitute into the first:

a₀ = 3d − 3

(3d − 3)² + 12 (3d − 3) d + 27d² = 189

9d² − 18d + 9 + 36d² − 36d + 27d² = 189

72d² − 54d − 180 = 0

4d² − 3d − 10 = 0

4d² − 3d − 10 = 0

(d − 2) (4d + 5) = 0

d = -1.25 or 2

a₀ = 3d − 3

a₀ = -6.75 or 3

If a₀ = -6.75 and d = -1.25:

a₄ a₁₀ = -10.5 × -18 = 189

a₈ / a₃ = -15.5 / -9.25 = 1 R 6.25

Extraneous solution

If a₀ = 3 and d = 2:

a₄ a₁₀ = 9 × 21 = 189

a₈ / a₃ = 17 / 7 = 2 R 3

The first term is 3, and the common difference is 2.

6 0
3 years ago
PLEASE HELP I DON'T KNOW THIS ANSWER!!!!
Dmitry [639]

Answer:

A= Yes

B= No

C= Yes

D= No

Step-by-step explanation:

3 0
4 years ago
PLEASE HELP AND EXPLAINNNN
trapecia [35]
5000 × .06 = $300 balance $5,300
5300 × .06 = $318 balance $5,618
5618 × .06 = $337.08 balance $5,955.08
5955.08 ×.06 = $357.30 balance $6,312.38
4 0
3 years ago
If two lines intersect, then the intersection is exactly two points. True or false
strojnjashka [21]

Answer:

false

Step-by-step explanation:

it is only 1 point because it intersects once

3 0
4 years ago
Read 2 more answers
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