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 1. Home
 2. Mathematics
 3. A Scientist Is Studying The Motion Of Waves By Measuring The Distance
    Between The Crests And Troughs

Mathematics High School


A SCIENTIST IS STUDYING THE MOTION OF WAVES BY MEASURING THE DISTANCE BETWEEN
THE CRESTS AND TROUGHS OF WAVES IN A PARTICULAR AREA. HE SET UP A
SERIES OF BUOYS AT EQUAL INTERVALS, AND ATTACHED A DEPTH DETECTOR TO EACH BUOY.
AFTER GATHERING DATA, THE SCIENTIST MODELED THE POSITIONS OF THE BUOYS AT A
SPECIFIC INSTANCE WITH THE GIVEN FUNCTION, WHERE X IS THE HORIZONTAL
DISTANCE, IN FEET, FROM THE FIRST BUOY AND F(X) IS THE DEPTH OF THE WATER, IN
FEET, AT THAT LOCATION.
F(X) = 2COS(X/8X) +13

SELECT THE CORRECT REPRESENTATION OF THE BUOY POSITIONS MODELED BY FUNCTION



ANSWERS

Answer 1

Answer:

this is correct on plato/edmentum

Step-by-step explanation:



Answer 2

Answer:

Letter X!

Step-by-step explanation:

Correct on plato!



--------------------------------------------------------------------------------


RELATED QUESTIONS

Please Answer This, the question is on the picture. it needs to be a fraction
will mark brainllest if its right, no links!


ANSWERS

Given adjacent = 14.7
Given degree = 41
Find hypothenuse
Sohcahtoa (use cah to find hypothenuse)

Cosine = adjacent/hypothenuse
Cos(41) = 14.7/h
0.7547095802 = 14.7/h
14.7/0.7547095802 = 19.477691

Round to nearest tenth:

Solution: 19.5


Answer:

x = 19.48 or 19 12/25

Step-by-step explanation:

cos 41° = 14.7/x

x = 19.48 or 19 12/25

Can you help me solve this?

Y-intercept= 4, goes through the point (2, 3)

Please solve using y=Mx+b


ANSWERS

Answer:

y=-1/2x+4 Is your answer

Step-by-step explanation:

y=mx+b

3=2x+4

-1=2x

x=-1/2

You already know y is 4 so y=-1/2x+4

Find the cost of cat food for a 29-day supply, a 30-day supply, and a 31-day
supply


ANSWERS

Answer:

not a complete question..



Step-by-step explanation:



A radius is
the diameter



ANSWERS

Answer:



Radius is the diameter divided by 2



Here is my question.


ANSWERS

Answer: True False True true



Step-by-step explanation:



Answer:

true

false

true

true

Step-by-step explanation:



Which is greats 1,200 mm or 12 m


ANSWERS

Answer:

12m

Step-by-step explanation:

1m = 1000mm



12m to mm

12 × 1000

= 12000mm



1200mm to m

1200 ÷ 1000

= 1.2m

given:quadrillateral ABCD inscribed in a circle
prove angel A and angel C are supplementary angel B and D are supplementary


ANSWERS

Answer:



Step-by-step explanation:

Given: quadrilateral ABCD inscribed in a circle



To Prove:



1. ∠A and ∠C are supplementary.



2. ∠B and ∠D are supplementary.



Construction : Join AC and BD.



Proof: As, angle in same segment of circle are equal.Considering AB, BC, CD and
DA as Segments, which are inside the circle,



∠1=∠2-----(1)



∠3=∠4-----(2)



∠5=∠6-------(3)



∠7=∠8------(4)



Also, sum of angles of quadrilateral is 360°.



⇒∠A+∠B+∠C+∠D=360°



→→∠1+∠2+∠3+∠4+∠5+∠6+∠7+∠8=360°→→→using 1,2,3,and 4



→→→2∠1+2∠4+2∠6+2∠8=360°



→→→→2( ∠1 +∠6) +2(∠4+∠8)=360°⇒Dividing both sides by 2,



→→→∠B + ∠D=180°as, ∠1 +∠6=∠B , ∠4+∠8=∠B------(A)



As, ∠A+∠B+∠C+∠D=360°



∠A+∠C+180°=360°



∠A+∠C=360°-180°------Using A



∠A+∠C=180°



Hence proved.





credit: someone else

below there was a daily rental cost for ski equipment at benton mountin ski
resort radall rents one set of skis two set of poles and two pairs of boots the
sales tax for the rental was 7.69 and he paid with a 100 bill how much chang
should randall recive frome the 100 dollar bill


ANSWERS

Answer:

hi

Step-by-step explanation:



Find the measure of the indicated angle to the nearest degree.





ANSWERS

Answer:

37 degrees

Step-by-step explanation:

Cos x = 48/60

Cos x = 0.8

x = cos^-1 0.8

x = 36.8699

An experiment was performed to test whether caffeine in Coca-Cola would improve
performance on an intelligence test. One randomly chosen group of subjects was
given an 8 oz. cup of Coca-Cola containing caffeine to drink 10 minutes before
taking the intelligence test. Another randomly chosen group was given an 8 oz.
cup of decaffeinated Coke to drink 10 minutes before taking the test. Neither
group had any food or drink for three hours before the experiment began. What
are the levels or conditions of the independent variable


ANSWERS

Answer:

8 oz of cocacola drink containing caffeine

8 oz of Decaffeinated Coke



Step-by-step explanation:

Th independent variables is that variable which causes a change in the output or
the dependent or response variable. In the scenario described above, the type of
drink Given to the participants is the independent variable

The Independent variable is the type of drink Given to the subjects with two
levels ;

Levels :

cocacola drink containing caffeine

Decaffeinated Coke

Therefore, we can conclude that, there are two levels Of the jndependent
variable, which are stated above.



Is 1.75 less or greater than 1 1/2


ANSWERS

Answer:

Greater 1 1/2 is 1.50

Step-by-step explanation:

Please Brainliest if right <3

Answer:

Yes cuz 1.75= 1 3/4 while 1 1/2= 1 2/4

Step-by-step explanation:



Solve: 4x^2 = 32 thanks



ANSWERS

Answer:

D.

Step-by-step explanation:

It is difficult to describe, but you just need to follow through the steps
acorddingly.

Dose anyone know this question I will give brainless bc I dont know this


ANSWERS

Answer:

3.5



Step-by-step explanation:



Answer:

LxWxH

Step-by-step explanation:

thats how you find area



Solve −2|m|= −10.

What is m?


ANSWERS

Answer:

|m| : -5

Step-by-step explanation:

{ -2|m|= -10= |m| : -5 }

Convert: 24 yards = _____ feet
72 feet
48 feet
76 feet
8 feet


ANSWERS

Answer:

24 yards = 72 feet

Step-by-step explanation:

3 feet per yard

24 x 3 = 72

the answer is 72 feet

Describe what you normally do on Sunday


ANSWERS

Nothing just lay in bed all day on my phone-

my normal routine except i go to church

31 PIONTS GIVING BRAINIEST AWNSER Any tips on how to get a grade up ???


ANSWERS

Answer:

 Forgot picture?

Step-by-step explanation:



Answer:

You can get your grade up by studying, getting a tutor, paying attention in
class, taking good notes, asking questions, and cheating (i don't recommend this
one :/)



16. You decide to drop a penny off the top of the Willis Tower (fromerly the
Sears Tower) in Chicago, IL. The
height of the penny (in feet) can be represented by the equation h= -16t2 + 1451
where t is time (in seconds).
a) How long will it take for the penny to hit the ground? Show any work that
leads to your answer.



ANSWERS

Answer:

9.5 seconds.

Step-by-step explanation:

We know that the equation that represents the height of the penny as a function
of time is:

h(t) = -16*t^2 + 1451

Where the height is in ft, and the time is in seconds.

a) We want to know how long takes the penny to hit the ground.

Well, the penny will hit the ground when its height is equal to zero.

Then we need to solve for t:

h(t) = 0 = -16*t^2 + 1451

0 = -16*t^2 + 1451

16*t^2 = 1451

t^2 = 1451/16 = 90.7

t = √90.7 = 9.5

This means that it takes 9.5 seconds to hit the ground.



Answer:9.5 seconds



Step-by-step explanation:you subtract



What is the numerical coefficient in y=−6x−3


ANSWERS

The numerical coefficient in y= -6x-3 is -6

When a<0 is the parabols wider or narrower?


ANSWERS

Answer:

When A is less than 0 the parabola flips downward. When A becomes larger than 1,
the parabola becomes more narrow. When A becomes smaller, until 0, the parabola
widens.

Step-by-step explanation:



What is the volume 9inches 3inches 5inches


ANSWERS

Answer:

135 can i have brain list

Step-by-step explanation:

9X3X5


Who can describe and correct the error in finding volume of the cone


ANSWERS

6 is the diameter not the radius

How many yards are equivalent to 38 feet? Show your work.


ANSWERS

Answer:

12.6

Step-by-step explanation:

divide the length value by 3

[12.6)now can u help me with my history work

ANSWER ASAP PLEASE!
Diana & Henry are choosing candy toppings for their ice cream. Diana
will randomly choose a candy topping and Henry will also randomly
choose a candy topping. The candy topping choices are Butterfinger,
Snickers, MilkyWays, Crunch Bar, Starburst, and Skittles. What is the
probability that Diana and Henry will both choose Butterfinger?
a. 1/30
b. 1/36
c. 1/12
d. 1/6



ANSWERS

Answer:d



Step-by-step explanation: there are 6 candys and only one is butterfinger
therefore it would be 1/6

Answer:

answer should be 1/36

option (b)

good day mate



explanation : the sample space is 36 and butterfinger comes only once to both of
them.

Can the following angle measures be the interior angles of a triangle: 29°, 29°,
and 29° ? Justify your answer.


ANSWERS

Answer:

No

Step-by-step explanation:

Angle measures of a triangle must add up to 180 and this only adds up to 87

Which expression represents the area of the shaded region?



ANSWERS

Given:

A circle of radius r inscribed in a square.

To find:

The expression for the area of the shaded region.

Solution:

Area of a circle is:

[tex]A_1=\pi r^2[/tex]

Where, r is the radius of the circle.

Area of a square is:

[tex]Area=a^2[/tex]

Where, a is the side of the square.

A circle of radius r inscribed in a square. So, diameter of the circle is equal
to the side of the square.

[tex]a=2a[/tex]

So, the area of the square is:

[tex]A_2=(2r)^2[/tex]

[tex]A_2=4r^2[/tex]

Now, the area of the shaded region is the difference between the area of the
square and the area of the circle.

[tex]A=A_2-A_1[/tex]

[tex]A=4r^2-\pi r^2[/tex]

[tex]A=4r^2-\pi r^2[/tex]

[tex]A=r^2(4-\pi )[/tex]

Therefore, the correct option is (a).

Q Search
7
The solid shape is made of a cone on top of a hemisphere.
The height of the cone is 10 cm.
The base of the cone has a diameter of 6 cm.
The hemisphere has a diameter of 6 cm. * LT
(1 Point)
The total volume of the shape is ku cm3. Work out the value of k.


ANSWERS

Answer:

.

Step-by-step explanation:



X
How many 1 -by-1 -by-1 -inch cubes fit inside of this
rectangular prism?



ANSWERS

The number of 1 -by-1 -by-1 -inch cubes that can fit inside of this rectangular
prism 120 cubes.



Volume of a rectangular prism

volume = lwh

where

l = lengthw = widthh = height

Therefore,

volume = 10 × 3 × 4 = 120 inches³



Volume of the cube = l³

where

l = side length

Therefore,

volume = 1 × 1 × 1 = 1 inches³



Therefore, the number of 1 -by-1 -by-1 -inch cubes that can fit inside of this
rectangular prism is as follows;

number of cube = 120 / 1 = 120 cubes





learn more on volume here : https://brainly.com/question/1578538



Help me please thanks


ANSWERS

Answer:

64 square cm

Step-by-step explanation:

(I pulled this out of the comments in case someone else needs this answer.
Easier to see as an answer than as comments in the app)

Area 2 is easier, so we’ll start with that one. Area of a rectangle is length x
width.

8 x 6 = 48 square cm

Area 1 is a triangle, so the formula is 1/2(base)(height). The height of the
triangle is 8, because it’s the same as the base of the rectangle. The base of
the triangle is 4, because we can subtract the 6 from the rectangle from the
total side length of 10. Does that make sense?

So 1/2 (4)(8)= 1/2(32) = 16 square cm

Then we add 16 + 48 = 64 square cm

Can someone pleaseeee helppp i dont know how to do this


ANSWERS

Answer:

C=3e

Step-by-step explanation:

Slope=

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