The speed of sound is about 340 m/s. Find the wavelength of a sound wave that has a frequency of 20.0 cycles per second ( the low end of human hearing)
A. 10.3 m
B. 17.0 m
C. 22.5 m
D. 25.0 m

Answers

Answer 1

Answer:

A

Step-by-step explanation:


Related Questions

Approximately how many plant made pharmaceuticals are currently under different stages of discovery?
a. 100
b. 200
c. 300
d. 400
please select the best answer from the choices provided a b c d

Answers

Approximately 300 plants are made pharmaceuticals currently under different stages of discovery.

Why do you use the term pharmaceutical?

pharmaceutical, material used for repairing, changing, or treating organic processes as well as for illness diagnosis, treatment, or prevention. Pharma (Bachelor of Pharmacy): Course, Qualifications, Admission, Syllabus, Pay, and Scope.

What function do drugs serve?

Drugs are created, produced, and distributed by the pharmaceutical business. Its goal is not to define sickness. Drug manufacturers typically focus on ailments that have already been identified by the medical community.

                          The positive side effects of medications, such as those that lower blood pressure, treat infections, or reduce pain, are considered their advantages. The possibility that anything unfavorable or unexpected will occur to you as a result of using a medication is what we mean by "risks."

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Given sin(- 0) = - 1/4 and tan 0 = √15/15
What is the value of cos 0?

A. √15/60
B. -√15/4
C. √15/4
D. -√15/60

Answers

Answer: C. √15/4

Explanation: I took the quiz

Add: (g2 – 4g4 + 5g + 9) + (–3g3 + 3g2 – 6)



Rewrite terms that are subtracted as addition of the opposite.
g2 + (–4g4) + 5g + 9 + (–3g3) + 3g2 + (–6)
Group like terms.
Combine like terms.
Write the resulting polynomial in standard form.

Answers

The resulting polynomial in standard form (b)  –4g^4 –3g³ +4g² +5g +3

What is standard form of a polynomial?

Suppose the considered polynomial is of only one variable.

Then, the standard form of that polynomial is the one in which all the terms with higher exponents are written on left side to those which have lower exponents.

The simplification process is described and partially carried out. We are to finish by combining like terms and writing the result in standard form.

Given

Add: (g² – 4g^4 + 5g + 9) + (–3g³ + 3g² – 6)

Combine Like Terms

g²  + (–4g^4) + 5g + 9 + (–3g³) + 3g²  + (–6)

The like terms are the g² terms and the constants;

= (1 +3)g² + (–4g^4) +5g +(9 +(–6)) +(–3g³)

 = 4g² +(–4g^4) +5g +3 +(–3g³)

Write in Standard Form

In this form, the terms are written in order of decreasing degree.

= –4g^4 –3g³ +4g² +5g +3

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Lesson 1. 12

At an ocean depth of 10 meters, a buoy bobs up and then down 6 meters from the ocean's depth.

Ten seconds pass from the time the buoy is at its highest point to when it is at its lowest point.

Assume at x= O the buoy is at normal ocean depth.

Find the following:

Period =

Equation of the mideline:

Amplitude =

Maximum =

Minimum =

Answers

For the described situation, y  = 6sin ( (π / 10) x )  -  10 is the sine function.

What is the sine function?

The trigonometric functions in mathematics are real functions that connect the right-angled triangle's angle to the ratios of its two side lengths.

They are extensively employed in all fields of geometry-related study, including geodesy, solid mechanics, celestial mechanics, and many others.

Asin(Bx)+C is the usual sine function formula.

A buoy bobs 6 meters up and down.

That is, the amplitude of the buoy shifts by 6 meters both vertically and horizontally.

A=6 Amplitude

The x-axis distance that constitutes one complete oscillation is known as the period.

We are aware that it takes a buoy 10 seconds to go from its greatest position to its lowest point (half oscillation).

20 seconds make up the complete oscillation period.

⇒ 20 (B) = 2π

B=2π /20

= π/ 10

Given that the buoy is 10 meters under the ocean's surface, C equals –10.

Using the formula's whole range of values:

⇒y  = 6sin ( (π/ 10) x )  -  10

The midline is the initial point.

x=0 is the first point.

⇒y=6sin(0)-10

y= -10

The line is drawn from the origin at y = -10.

Either the highest or smallest value is at the second point.

Therefore, (5,-4) and (15, -16.)

Therefore, for the described situation, y  = 6sin ( (π / 10) x )  -  10 is the sine function.

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Complete question:
At an ocean depth of 10 meters, a buoy bobs up and then down 6 meters from the ocean's depth. Ten seconds pass from the time the buoy is at its highest point to when it is at its lowest point. Assume at x = 0 the buoy is at normal ocean depth. Use the sine tool to graph the function. The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point.

A rectangle has an area of 266 square centimeters. If it's length is 19 cm, find its width

Answers

Answer: w=14 cm

Step-by-step explanation: w=A

l=266

19=14cm

Answer:

Area = length x width

so you do 266/19 = 14

hope that answers your question

Don't hesitate to comment if you don't understand something.

Step-by-step explanation:

If b and t are real numbers such that 0<|t|<|b|, which of the following infinite series has sum 1b2 t2

Answers

Hence option (B) is a correct choice and rest all other options are incorrect

1/b^2 ∑ (-1)^k(t^2/b^2)^k                                        
                             

Step-by-step explanation:

 Remember that the sum of infinite GP is given by the formula blow:
First term=a
Common ratio=r

S=a/1 - r                                          

Wherever the common ratio r falls within the interval (-1,1)

When the given series is compared to the infinite sum:

First term=a
Common ratio=r
S=  a/1-r = 1/b^2+t^2
Now given: |t| < |b|=0<t^2/b^2<1
S=1/B^2.1/1-(-T^2/B^2)
=A=1
R=-T^2/B^2
Writing the general form:

Hence option (B) is a correct choice.

What are real numbers simple definition?

Real numbers can be defined as the union of both rational and irrational numbers. They can be both positive or negative and are denoted by the symbol “R”. All the natural numbers, decimals and fractions come under this category.

INCOMPLETE QUESTION: if b and t are real numbers such that 0<|t|<|b|, which of the following infinite series has sum 1b2 t2
A) 1/b^2 ∑(t^2/b^2)^k.
B) 1/b^2 ∑(-1)^K(t^2/b^2)^k.
C)B^2∑(T^2/B^2)^K
D)b^2∑(-1)(t^2/b^2)^k

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What is the distance between (-5, 2) and (-9,
2)?

Answers

Answer:

4

Step-by-step explanation:

use the distace formula:

square root of (x2-x1)^2 + (y2-y1)^2

give brainliest please

I need help.
professional?
- needed

Answers

The equation of the linear function after a translation down 9 units is given as follows:

f(x) = x - 11.

How to define the linear function?

The slope-intercept definition of a linear function is given as follows:

y = mx + b.

In which:

m is the slope, representing the rate of change of the output variable relative to the input variable.b is the y-intercept, representing the value of y at which the graph cross the y-axis.

The graph of the function crosses the y-axis at y = -2, hence the intercept b is given as follows:

b = -2.

When x increases by 2 units, from x = 0 to x = 2, y increases by 2 units, from y = -2 to y = 0, hence the slope is calculated as follows:

m = 2/2.

Then the function is of:

y = x - 2.

After the translation down 9 units, 9 is subtracted from the function, hence:

f(x) = x - 2 - 9

f(x) = x - 11.

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what is the volume of the cylinder below

Answers

A. 175π units

‎‎‎‎‎‎‎‎‎‎

ILL BRAINLIEST YOU PLEASE HELP ME

Answers

Remember SohCahToa

For this let's use sine.

SinA = opposite/adjacent

SinA = x/c

We know c = 8 and A = 21

Sin21 = x/8

x = (sin21)8

Put that in the calculator:

x = 2.87 (rounded)

hope this helps :D

HELP ME PLEASEE !!!!

Answers

Answer:

y=179

Step-by-step explanation:

the statement is true.

you need to replace (x) for 4 and solve

y= 40(4) + 19

y=160 + 19

y=179

it costs 179$ for 4 weeks so the statement is true

What is the inverse of
[tex]f(x) = \sqrt{x} + 6[/tex]
for
[tex]x \geqslant 0[/tex]
?

A:
[tex]f(x) = (x - 6) {}^{2} [/tex]
B:
[tex]f(x) = x {}^{2} - 6[/tex]
C:
[tex]f(x) = x {}^{2} + 6[/tex]
D:
[tex]f(x) = \sqrt{x + 6} [/tex]

Answers

Answer is A
Step by step exploration

4) It was recommended that the trees be planted 10 feet apart. The school chose to plant the first tree 15 feet away from the property line fence and then to space the trees 10 feet apart accordingly. Write a linear equation with y representing the total distance (in ft.) away from the property line fence and x representing the number of trees used.

a) Write another linear equation for this situation but use a different form.

b) Graph the situation described in question #4.​

Answers

The linear function that model this problem is y = 10x + 15 and in standard form is 10x - y = -15

What is a Linear Equation

A linear equation is an algebraic equation in which each term is either a constant or a product of a constant and a single variable. It is of the form ax + b = 0, where a and b are constants and x is a variable.Sometimes, a linear function can also be said to be a linear equation which is an equation that can be written in the form Ax + By = C, where A, B, and C are constants and x and y are variables. Linear equations are used to describe relationships between two variables, and they can be used to solve a wide range of problems.

In this problem, we can write an equation in slope-intercept form.

This can be modelled in y = mx + c

To model the problem,

y = 10x + 15

a) To rewrite the problem in another form of linear equation, we can write this in the standard form.

Ax + By = C

10x - y = -15

b) The graph of the problem is attached below

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What is a truth table in logic gate?

Answers

The Truth Table in logic gate is  used to specify the output of the logic gate for all possible combinations of the input signals. , it is the breakdown of all the possible truth values returned by the logical expression.

What is Truth Table ?

The truth table is a tabular representation of all combinations of values for inputs and their respective outputs.

It can be called as a mathematical table which shows all possible outcomes that would occur from all the possible scenarios that are considered as  factual.

Truth tables are generally used for the logic problems as in Boolean algebra and electronic circuits.

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Answer:

Step-by-step explanation:

A truth table for a logic gate is the table that specifies the logic value/state of the output of the gate for all possible combinations of the logic states of all inputs.

Let's take the example of the AND gate with two logic inputs A and B and one output Y.

A    B    Y

0    0    0

0    1     0

1     1     1

1    0     0

This is the truth table for the AND gate.

Wyatt says that 0.6 has the same value as 0.600 do you agree explain​

Answers

Answer:

Yes, the zeros can be used as place holders. When using place holders, the value does not change.

Consider the parent function f(x) below and graph

Answers

On solving the provided question, we can say that - here in graph Between the lowest number, which is 0, and the highest value, which is 5, there is a range. The range is therefore -9=y=5.

What is graphs?

Graphs are visual representations or charts used in mathematics to methodically express data or values. A relationship between two or more objects is frequently represented by a point on a graph. A non-linear data structure called a graph is made up of nodes, or vertices, and edges. Connect the nodes, also known as vertices. This graph comprises a set of vertices V= 1, 2, 3, 5, and a set of edges E= 1, 2, 1, 3, 2, 4, and (2.5), (3.5), (4.5). Statistics graphs (bar charts, pie charts, line charts, etc.) Exponential diagrams. triangle graph, a logarithmic graph

There is a range between the minimum value, which is 0, and the greatest value, which is 5. Thus, the range is -9=y=5.

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Line e has a slope of -7/3. Line f is parallel to line e. What is the slope of line f?

Answers

Answer:

-7/3

Step-by-step explanation:

Parallel lines have same slopes.

3 1/2 x 1 1/2 as a mixed number in simplest form

Answers

Answer: 8 3/4 because first find your common denominator, then solve the math and you will get 8 3/4


1. From the information given in the triangles, are these triangles always, sometimes, or never congruent?
A. always
B. sometimes
C. never
D. cannot be determined

Answers

On solving the provided question, we can say that - the both triangle similar triangle ABC and triangle DEF

What is triangle?

Three sides and three vertices make up a triangle, which is a polygon. It is among the fundamental forms in geometry. Triangle ABC is the name given to a triangle with vertices A, B, and C. When the three points are not collinear, a unique plane and triangle in Euclidean geometry are found. A triangle is a polygon that has three sides and three corners. The spots where the three sides join end to end make up the triangle's corners. Three triangle angles added together equal 180 degrees.

here,

AB = DE

BC = EF

AC = DF

so, by SSS both triangles are similar

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Select all of the following 2D shapes that may be formed by slicing a square pyramid?
A square
B rectangle
C circle
Dtriangle

Answers

Answer:

A and D

Step-by-step explanation:

Ok so first, if you slice parallel to the base, you can get a square.

If you slice parallel to a face, you get a triangle.

A mother tracks the duration of her baby's three daily naps for a few weeks. The mean time, in minutes, and the standard deviation, SD, for each nap are recorded in the table below. 1st Nap 2nd Nap 3rd Nap Mean = 83 SD = 9 Mean = 52 SD = 6 Mean = 39 SD = 11 Use the information in the table to select the true statement. A. The 3rd nap is the least consistent in duration because its mean is the lowest. B. The 2nd nap is the least consistent in duration because its standard deviation is the lowest. C. The 1st nap is the least consistent in duration because its mean is the highest. D. The 3rd nap is the least consistent in duration because its standard deviation is the highest.

Answers

UPDATED:


Plato users: answer is now A:

"The 3rd nap is the least consistent in duration because its

standard deviation is the highest."

they just shuffled the answers, the answer choice itself is still the same, just a dif letter choice

< 26 / Jan / 2022 >

The correct answer is the last one, that the 3rd nap is the least consistent in duration because its standard deviation is the highest.

What is the standard deviation?

Standard deviation is a measure of variation from the mean; it tells how different values are from the mean.  

We have given that,

A mother tracks the duration of her baby's three daily naps for a few weeks. The mean time, in minutes, and the standard deviation, SD, for each nap are recorded in the table below.

Now, For that nap to have a higher standard deviation means that its values were on average more different from the mean than the others.

Thus, The correct answer is the last one, that the 3rd nap is the least consistent in duration because its standard deviation is the highest.

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What is an equation of the line that passes through the points (-4,-3) and (3,-3)

Answers

Answer:

y=-3

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-3-(-3))/(3-(-4))

m=(-3+3)/(3+4)

m=0/7

m=0

y-y1=m(x-x1)

y-(-3)=0(x-(-4))

y+3=0(x+4)

y+3=0

y=0-3

y=-3

im bord yallllllll ahhh :)

Answers

Answer:

You are bord and I'm stuck in a Geometrie assignment because I have a lot of missing work so I have to submit them before June 05 :(

Step-by-step explanation:

Answer:

same

Step-by-step explanation:

- listen to music

- if u have a sibing brag to them that u have  freands and they dont

- go get Starbucks

- listen to true crime stores

thats what i do

Mike is working on solving the exponential equation 37^x = 12; however, he is not quite sure where to start. Using complete sentences, describe to Mike how to solve this equation.

Hint: Use the change of base formula: log base b of y equals log y over log b.

Answers

''By taking log'' on both side Mike solve this equation.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The expression is,

⇒ 37ˣ = 12

Now,

Since, The expression is,

⇒ 37ˣ = 12

Solve this expression as;

⇒ 37ˣ = 12

Taking log both side, we get;

⇒ log 37ˣ = log 12

⇒ x log 37 = log 12

⇒ x = log 12 / log 37

⇒ x = 1.08 / 1.57

⇒ x = 0.69

Thus, The value of x = 0.69

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hellllllllpzzzzzzzzzzzzzzz

Answers

Answer: 78°

Similar triangles are different from congruent triangles. Congruent triangles have equal angles and sides, while similar triangles have equal angles and proportional side lengths. In this case, because the triangles are similar, the angles should be equal. The sum of the angles of triangles are always 180°. Because triangle ABC has angle measures of 28° and 74°, the equation should appear as 28+74+x=180. Add the like terms to get 102. Subtract 102 on both sides to get x=78. Although we only solved for Triangle ABC, again, similar triangles have the same corresponding angle measures, so it applies to Triangle DEF, as well.

How can we check to make sure we factored correctly? *

Answers

Answer:

I think one of the easiest ways to check the answer to a factoring problem is to foil. This will tell you if you factored correctly. Once you have answers you put the answers back into the original equations to see if both sides are equal. These are very general ideas.

Hope this help you!:)

Peter has 30 pencils and Tony has 14,how many pencils must Tony give Peter so that peter shall have 3 times as many as Tony ​

Answers

Let’s say that Peter has x pencils, and Tony has y pencils. The equation we want to have is x=3y (Peters pencils are 3 times as Tony).
In total there are 30+14=44 pencils.
Meaning that x+y=44
Let’s take that last equation and replace x with 3y since x=3y from the start. Then, we’d have 3y+y=44 => 4y=44 so y=11. That means that tony has 11 pencils.
Since Peter has 3 times Tony’s pencils, Peter has 33 pencils.
The question though, is how many pencils must Tony give to Peter. Since Peter had 30 pencils in the beginning, and 33 from the equations, Tony must give Peter 3 pencils.

Tony must give 3 pencils to Peter,

What is Algebra?

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

Let Peter has x pencils and Tony has y pencils.

Then, we have equation x=3y (Peters pencils are 3 times as Tony).

Total pencils =  30+14

                     = 44 pencils.

So, x + y=44

Put x= 3y we get

3y+ y= 44

4y= 44

y= 11

Thus, Tony must give 3 pencils to Peter,

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One way to compute a 15% tip for a bill is to multiply it by 0.15. A restaurant bill was $36.20. Calculate the tip.

Answers

the answer is $5.43…….

What is you favorite Fast Food restaurant and what do you like to get there?
(.Free .Points)

Answers

I like to eat the frogs that dare to step in my property
Wendys i enjoy their fries and chicken.

Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

Answers

Answer:

BC = 205.8 feet

Step-by-step explanation:

We only have one side, DB, so we have to use the given angles rather than the Pythagorean theorem.

Answer:

BC ≈ 205.8 ft

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos71° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{BD}{BC}[/tex] = [tex]\frac{67}{BC}[/tex] ( multiply both sides by BC )

BC × cos71° = 67 ( divide both sides by cos71° )

BC = [tex]\frac{67}{cos71}[/tex] ≈ 205.8 ft ( to the nearest tenth )

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Your friend Susanne from German class wrote the following letter about her family using the family tree shown. However, it is full of mistakes. Help her revise her letter by correcting the errors. Liebe Anita,Ich heie Susanne. Ich bin 17 Jahre alt. Ich wohne in Atlanta, Georgia. Ich habe einen Bruder Christine. Meine Mutter heit Heidi. Sie ist eine rztin von Beruf. Mein Vater heit Ronald. Er ist ein Zahnarzt. Ich habe eine Tante Martina und einen Onkel Hans. Sie haben zwei Kinder, Daniel und Stefan. Sie sind meine Brder. Mein Grovater Hans ist ein Ingenieur. Meine Gromutter Christine ist Sngerin.Bis bald, Mount Kilimanjaro is located in Eastern Africa at 3 degrees S. Which climate factor best explains the presence of permanent snow on its peak this isnt a question but i just wanted to tell everyone you all are doing great. this year has been hard and everyone is working as hard as they mentally can. im so proud of all of you. dont forget to take breaks and rest. Wealthy teen nearly experiences consequences number 5 A solid is sliced parallel to its base. Which solid will form a circle when sliced parallel to its base?A: rectangleB: SquareC: pyramidD: cone Paprus Inc. provided the following information for its manufacturing division: Revenues $650,000 Operating expenses $400,000 Service department charges $ 95,000 Invested assets $600,000 Assume that Paprus Inc. has established 20% as the minimum acceptable return on divisional assets. Determine the residual income for the manufacturing division. In order to solve the problems of the Great Depression, President Franklin D. Rooseveltinitiated the New Deal. How did the programs of the New Deal change the role ofgovernment? In a particular year, 68% of online courses taught at a system of community colleges were taught by full-time faculty. To test if 68% also represents a particular state's percent for full-time faculty teaching the online classes, a particular community college from that state was randomly selected for comparison. In that same year, 32 of the 44 online courses at this particular community college were taught by full-time faculty.Conduct a hypothesis test at the 5% level to determine if 68% represents the state in question. Locating Fractions on a Number LineA BHot-2-1IntroCD+++++0 1 2Use the drop-down menus to label the points on thenumber line.Point A is atPoint B is atPoint C is atPoint D is at Which of these sentences is an opinion? Light pollution is an overuse of artificial light and can create negative ecological consequences. Witnessing actually dark sky at night is one of the most magical experiences when can have Sam has 6 choices of shirts, 4 choices of pants, 5 choices of socks, and 6 choices of shoes for his working dress. In how many ways Sam can select his outfit? Prompt: What would you do if someone on your team bullies others around you and wants you to join in? If this has happened to you write about what happened. If this has never happened to you, write about how you would handle the situation. Use specific examples and vivid details. Find the difference:16 16 I need help with 21 plss Which statement about f(x) = 2x2 3x - 5 is true? 7 Someone is trying to balance a (110cm) plank with certain forces. a) Calculate the moment of the 60N force (about O), then name its type. b) Calculate the moment of the 30N force (about O), then name its type c) Will the plank balance? If not, which way will it tip? d) What extra force would be needed at (B) to balance the plank? Which of the following statements is TRUE about business leaders in the late 1800's? a. Business leaders encouraged competition b. Large corporations forced many-smaller businesses out of business c. Investors were unwilling to lend money to corporations d. The government took over many failing businessesWhat was an immediate economic result of the use of mass- production techniques in American factories? a. increased use of homemade goods b. reduced cost of goods c. improved safety conditions d. expanding membership in labor unions thin vessels, similar to veins, that carry lymph to lymph nodes Which of the following was the most important factor in enabling the Spanish to defeat the Aztec Empire? Determine the pHpH at the equivalence point for the titration of a 40.0 mLmL sample of 0.100 MHNO2MHNO2 by 0.200 MKOHMKOH . (The pKapKa of nitrous acid is 3.34.)