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During a musical an orchestra is playing. As the music plays, the volume changes in the beginning of the piece can be modeled by the equation s = 10│x - 4│+ 50 where s represents the sound level in decibels and x represents the number of measures of music played. Explain in words each step to find the following question:



At what number(s) measures played would the sound level be at 80 decibels?

Answers

Answer 1

Answer:qsq

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

The answer to this is 1 or 7:

To find the range for the number of measures played to satisfy our solution, we must solve for x using s = 80.

Next, we subtract 50 from both sides of the equation.

Next, we divide both sides of the equation by 10

Next, to eliminate the absolute value bars, we will add a ± sign in front of our s value, 3.

Finally, we add 4 to both sides of our equation giving us 4 ± 3 = x

Separating this into two equations, we get 4 - 3 = x and 4 + 3 = x

Therefore, x, the number of measures of music played, must be either 1 or 7.


Related Questions

(x,-5) and (1,2); slope = 7/6

Answers

Answer:

x=-5

Step-by-step explanation:

y-2=(7/6)(x-1)

y=(7/6)x+5/6

using y =-5

-5=(7/6)x+5/6

-35/6=(7/6)x

x=-5

HELP PLS IMMEDIATE HELP PLS

Answers

Answer:

yc8,iv,g-)-*6"9-*"me &¶ lgz

Answer:

x= -6

Step-by-step explanation:

Which expression has a positive value?
O-4+(-5)(-6)+(-3)
810-(2)(-2)]
3(-64-8) + 25
-2(-5) (-3) + 10

Answers

Answer:its c

Step-by-step explanation:

Took the test

Answer:

C

Step-by-step explanation:



4.) Trapezoids ABCD and EFGH are congruent. What is the length of side FG?
a. 9 m
b. 12 m
C. 15 m

Answers

Answer:

C. 15m

Step-by-step explanation:

if ABCD and EFGH are congruent that means that they are equivalent to each other. If side FG is the base of that trapizoid, and side CD is the base with the measurement of 15m, then we are left to believe that side FG is 15m

simplify 30x³÷45xy²​

Answers

Answer:

[tex]30 {x}^{3} \div 45x {y}^{2} = \\ 6 {x}^{2} \div 9 {y}^{2} = \\ 2 {x}^{2} \div 3 {y}^{2} = \\( 2 \div 3) \times (x \div y) ^{2} [/tex]

Which of the binomials below is a factor of this trinomial? 4x2 + 12x + 9
A. 2x-3
B. 2x-1
C. 2x+1
D. 2x+3​

Answers

Answer:

d-2x-3

Step-by-step explanation:

The factor of the trinomial will be (2x + 3) and (2x + 3). Then the correct option is D.

What is a factorization?

It is a method for dividing a polynomial into pieces that will be multiplied together. At this moment, the polynomial's value will be zero.

The trinomial is given below.

⇒ 4x² + 12x + 9

Then the factor of the trinomial will be

⇒ 4x² + 12x + 9

⇒ 4x² + 6x + 6x + 9

⇒ 2x(2x + 3) + 3(2x + 3)

⇒ (2x + 3)(2x + 3)

⇒ (2x + 3)²

Then the correct option is D.

More about the factorization link is given below.

https://brainly.com/question/6810544

#SPJ2

Question 3 of 5
What is the equation of the line through (2. - 4) and (0,4)?
A. y=-4x - 4
B. y=-4x+4
O C. y= 4x+ 4
O D. y=4x - 4

Answers

A. y=-4x-4 where m=-4 and c=-4 for the equation y=mx+c

hey guys can you answer this one question real quick

Answers

Answer:

a. 1/5

b. (3, 3/5)

c. 1/5x = y

Step-by-step explanation:

Remember: (x, y)

0.5 = 1/2

(1/2, 1/10) = 1/10 ÷ 1/2 = 1/10 • 2 = 1/5, you can divide y/x = constant of proportionality. 1/10 ÷ 1/2.

1 2/5 = 7/5

(7, 7/5) = 7/5 ÷ 7 = 7/5 • 1/7 = 1/5, y/x = constant of proportionality. 7/5 ÷ 7.

a. 1/5 is the constant of proportionalityb. (3, 3/5) because 3/5 ÷ 3 or 3/5 • 1/3 = 1/5.c. 1/5x = y

what is the value of 6^2

Answers

Answer:12

Step-by-step explanation:6x2=12

Answer:

its 36

Step-by-step explanation:

please help!! will give brainliest

Answers

Answer A is the only one that seems to make sense to me id choose A

a and d are true statement

ok as know to me

Which equation has x=4 as the solution

Answers

Answer:

x + 6 = 10

x = 4

Answer:

A) [tex]log{4}[/tex] (3x+4) = 2

Step-by-step explanation:

took the test

Which property of real numbers is shown below?
3+ ((-5) + 6) = (3 + (-5)) + 6
commutative property of addition
identity property of multiplication
associative property of addition
commutative property of multiplication

Answers

Answer:

the answer is associative property of addition

Step-by-step explanation:

the things is no matter how you switch out the numbers you will have the same income.

Answer:

If I am not mistaking it would be identity property sorry if I am wrong

Step-by-step explanation:

May I please have brainly i will almost finish my circle for brainlys please

what number of dots has “1 from 3” code 1021?

Answers

Answer:

4 is the answer is it right

(USE THE CIRCLE GRAPH BELOW.)
Magazine sales total $25,000.
Boating 10%
Sports 35%
Other 5%
Adult 20%
Teen 30%
How much more is made on Sports magazines than Teen magazines?
A. $5
B. $12.50
c. $1.25
D. $1250
E. $12,500

Answers

Answer:

b

Step-by-step explanation:

Answer:b

Step-by-step explanation:

a) Find the value of 15 – 3 x 4​

Answers

Answer:

3

Step-by-step explanation:

order of operations so

15-(3x4)

15-12

3

Two cars travel at the same distance. The first car travel at 50 miles per hour and reaches its destination at t hours. The second car travels at a rate of 60 miles per hour and reaches its destination 1 hour earlier than the first car how long does it take for the first car to reach its destination

Answers

Answer:

The first car reaches its destination in 6 hours.

Step-by-step explanation:

Speed of the first car = 50 miles per hour

Time taken = t hours

Distance travelled = Speed × Time = 50 t

Speed of the second car = 60 miles per hour

Time taken = [tex](t-1)[/tex] hours

Distance travelled = Speed × Time = [tex]60(t-1)[/tex]

As two cars travel the same distance,

[tex]50t=60(t-1)\\50t=60t-60\\60=60t-50t\\60=10t\\t=\frac{60}{10}\\t=6[/tex]

So, the first car reaches its destination in 6 hours.

It would take the first car 6 hours to reach its destination.

Speed is the ratio of distance to time. It is given by:

Speed = distance /time

Since the two cars travel at the same distance, let d represent this distance.

The first car travel at 50 miles per hour and reaches its destination at t hours. Hence:

50 = d / t

d = 50t   (1)

The second car travels at a rate of 60 miles per hour and reaches its destination 1 hour earlier than the first car. Hence the time = t - 1. Hence:

60 = d / (t - 1)

d = 60(t - 1)

d = 60t - 60   (2)

Equating both equations gives:

50t = 60t - 60

10t = 60

t = 6 hours

Hence it would take the first car 6 hours to reach its destination

Find out more at: https://brainly.com/question/22610586

5(5t-2) = -35

show how to solve the given equation ​

Answers

distribute the 5
25t-10=-35
+10 +10
25t =-25
divide by 25 on both sides
t=-1

If B is between C and D, BC = 10 in., and BD = 3 in., then CD = ________.

Answers

if B is between C and D, BC= 10 in., and BD=3 in., then CD =2AD

Answer: CD is 13
See attached picture

Solve for x:
15 + 8x = 47

Answers

Answer:

The answer is x=4

Step-by-step explanation:

275,000 plus 5.4 times 10 to the 5th power

Answers

Answer:

542750 would look like this in expanded form

Step-by-step explanation:

275,000 plus 5.4 times 10 to the 5th power can be written as...

[tex]275,000+5.4*10^{5}[/tex]

Someone please helpppp!!no bs answers.
geometry

Answers

Answer:

Line TB is congruent to line BR.

B is the midpoint of line TR.

Line TB plus line BR is equal to or congruent to line TR.

*wink face lol*

Can someone help me ASAP!!
WILL MARK YOU BRAINLIEST!!!!!!!!!!!

Answers

Answer: Number 2 is the second one B

Answer:

I’m pretty sure that #1 is D because their are 4 different degrees making it a quadratic

Step-by-step explanation:

when subtracting decimals with the same sign you?? what does it mean???

Answers

Answer:

it turns to a positive

Step-by-step explanation:

2 negatives will equal a positive number.

Answer:

It just means that it will be easier for you to subtract them.

Step-by-step explanation:

Because all you have to do is subtract them how you would and just take the decimal and move it down the row and that is it.

2h − 3 = 3 Need some help

Answers

Answer: Let's solve your equation step-by-step.

2h−3=3

Step 1: Add 3 to both sides.

2h−3+3=3+3

2h=6

Step 2: Divide both sides by 2.

2h/2 = 6/2

h = 3.

14. On March 1 Tessa Obee deposited her IRS refund check for $9,364.85 in a savings account at State Bank. The account pays 4 percent interest calculated on a daily basis. Five days later on March 6 she withdrew $1,000.00. On March 18, 12 days later, she withdrew $2,000.00. On March 28, 10 days later, she withdrew another $2,000.00. Three days later on March 31 interest was computed. How much simple interest did her money earn?

Answers

Answer:

Her money earned a simple interest of $24.55.

Step-by-step explanation:

Since Tessa deposited $9364.85 and she gets 4% interest on daily basis, then before she withdraws $1000 after 5 days, she must've gotten an interest of:

9364.85 x 4% × (5/365) ≈ 5.13

After withdrawing $1000, she has $8364.85. If this remains in the account for 12days, as we have in the question, then the interest on that will be:

8364.85 x 4% × (12/365) ≈ 11.00

After withdrawing $2000, she has $6364.85. If this remains for 10days, her interest would be:

6364.85 x 4% × (10/365) ≈ 6.98

After withdrawing $2000, she has $4364.85. If this remains for 3days, her interest would be:

4364.85 x 4% × (3/365) ≈ 1.44.

In totality, her interest would be: 5.13 + 11.00 + 6.98 + 1.44 = 24.55.

Hence, her money earned a simple interest of $24.55.

Which ordered pairs in the form (x, y) are solutions to the equation 3x−4y=21?

Select each correct answer.

1. (7, 0)

2. (11, 3)

3. (−3, 3)

4. (−1, −6)

Answers

We must plugin values:
3(7)-4(0)=21, is CORRECT since 7•3 is 21 and -4•0 is 0
3(11)-4(3)=21 is CORRECT since 3•11=33 and -4•3=-12 so 33-12=21
3(-3)-4(3)=21 is INCORRECT since 3•-3 is -9 and -4•3 is -12, -9-12 is -21
3(-1)-4(-6)=21 is CORRECT since 3•-1 is -3 and -4•-6 is 24 and so 24-3=21

Answer:

1. (7, 0)

2. (11, 3)

4. (−1, −6)

These are correct

F(x)=3x+17 find f(-2)

Answers

Answer: 9

Explanation:

f(-2) means you’re substituting in -2 for x.

f(-2) = 3(-2) + 17

f(-2) = 9

Hope this helped! :)

1.The growth of a sample of bacteria can be modeled by the function b(t)=100(1.06)t where b is the number of bacteria and t is time in hours.

What is the number of total bacteria after 3 hours?

Answers

Given:

The growth of a sample of bacteria can be modeled by the function

[tex]b(t)=100(1.06)^t[/tex]

where, b is the number of bacteria and t is time in hours.

To find:

The number of total bacteria after 3 hours.

Solution:

We have,

[tex]b(t)=100(1.06)^t[/tex]

Here, b(t) number of total bacteria after t hours.

Substitute t=3 in the given function, to find the number of total bacteria after 3 hours.

[tex]b(t)=100(1.06)^3[/tex]

[tex]b(t)=100(1.191016)[/tex]

[tex]b(t)=119.1016 [/tex]

Therefore, the number of total bacteria after 3 hours is 119.1016.

open this n help me out

Answers

Answer:

you need to stop cheating or your not going to learn anything BOI

SHAPE UP BOI

Don't understand this at all, please help!

Answers

For number 4, the midpoint is M, so the lengths of the 2 segments are half of the whole. PM and MQ are 11.

For number 5, TM and MS are 7.5.

Have an amazing day :)
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