A bicyclist travels the first 800 m of a trip 1.4 minutes, the next 500 m in 1.6 minutes, and finishes up the final 1200 m in 2 minutes.

What is the total distance traveled on the bicycle?
______ meters

What is the total time the bike traveled?
_______ minutes

Find the average speed (in meters/min) of the bicyclist for this trip. _______ meters

Answers

Answer 1

The total distance traveled on the bicycle is 2500m

The total time the bike traveled is 19.4 minutes.

The average speed (in meters/min) of the bicyclist for this trip is 128.9 m/minutes.

What is speed?

Speed is the rate at which an object's location changes in a particular direction. The distance traveled on relation changes to a particular direction. The distance in relation to the time it took to travel the distance is the speed.

The total distance traveled on the bicycle will be:

= 800 + 500 + 1200

= 2500m

The total time the bike traveled will be:

= 1.4 + 16 + 2

= 19.4 minutes

Speed = Distance / Time

= 2500 / 19.4

= 128.9 meters per minute

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Related Questions

The temperature T°C of a cup a tea t minutes after being poured is modelled by the exponential decay function:
T=18+68e^-t/8, t>/= 0

a) What is the initial temperature of the tea the moment it was poured?

b) When will the temperature of the tea reach 35°C?

c) Explain why the tea will never reach an ambient temperature of 15°C.

Answers

Using the exponential function T = 18 + 68e^(-t/8), the initial temperature is 86°C, the time the temperature will reach 35°C is 11.1 minutes

Exponential Function

An exponential function is a mathematical function in the form f (x) = ax, where “x” is a variable and “a” is a constant which is called the base of the function and it should be greater than 0.

An exponential function is defined by the formula f(x) = aˣ, where the input variable x occurs as an exponent. The exponential curve depends on the exponential function and it depends on the value of the x.

The exponential function is an important mathematical function which is of the form f(x) = aˣ

In the question given, the exponential function given shows an exponential decay

T = 18 + 68e^(-t/8)

a) The initial temperature when the tea was poured would be (t = 0)

T = 18 + 68e^(-0/8)

T = 16 + 68 = 86°C

b) The temperature of the tea at 35°C

35 = 18 + 68e^(-t / 8)

T = 11.1

c) The reason why the the tea will never reach 15°C is because there's no solution for the expression.

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Given m || n, find the value of x.

Answers

Answer:

x=11°

Step-by-step explanation:

Because line t is 180°, (9x-5)°+(6x+20)°=180°

Simplify:

(9x-5)°+(6x+20)°=180°

9x-5+6x+20=180

15x-5+20=180

15x+15=180

15x=165

x=11

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Find the probability of rolling a sum greater than 7 given that you rolled an odd number first.

Answers

Answer:

I think the answer is 1/2. Given the first die was odd, you rolled either a 1,3, or 5. Now on the second roll only a 6,4, or a 2 will give you a sum of 7. Given that is half of the sample space of the second die, it is 1/2?

Step-by-step explanation:

Find the area of a shaded portion 10 km 20 km 20km

Answers

The area of the shaded region will be 150 square kilometers.

What is Parallelogram? What is triangle?

In Euclidean geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure. A triangle is a polygon with three edges and three vertices. The sum of all the angles of a triangle is 180 degrees. Mathematically -

∠x + ∠y + ∠z = 180°

There are different types of triangles such as -

equilateral triangle , scalene triangle , isosceles triangle etc.

Given is a 2- D figure as shown in the image.

The area of the shaded region will be -

A[shaded] = A [square] - {A [Δ1] + A [Δ2] + A [Δ3]}

A[shaded] = (20 X 20) - [{1/2 x 10 x 10} + {1/2 x 10 x 20} + {1/2 x 10 x 20}]

A[shaded] = 400 - [50 + 100 + 100]

A[shaded] = 400 - 250

A[shaded] = 150 square kilometers

Therefore, the area of the shaded region will be 150 square kilometers.

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HELP PLEASE I NEED IT

Answers

Answer:=

Step-by-step explanation:

An airplane cruises 1 kilometer in
1
12
of a minute. What is its cruising speed?
Simplify your answer and write it as a proper fraction, mixed number, or whole number.
kilometers per minute

Answers

Answer: It is 12 kilometers per minute

Step-by-step explanation:

in the problem that you'll need to simplify your answer and write it as a proper fraction, mixed number, or whole number so I can confirm this is 100% correct.

Step-by-step explanation:

Does the volume of a cone increase more when you double the height of the original or when you double its radius? Explain why.

Answers

The volume of a cone increase more when you double the height of the original or when you double its radius. This is true.

What is a cone?

A cone is a shape formed by connecting a common point, known as the apex or vertex, to all the points of a circular base with a set of line segments. The height of the cone is the distance from the vertex to the base.

A cone always contains a right angle. To solve for the volume of a cone, we need to get the radius of the cone and its height. radius is the line from the center of the circle of the cone going to the edge of the circle. height is the measurement of the cone from its pointy tip going downward.

The volume of a cone is 1/3πr²h, so if you double the radius the volume would quadruple. So, when the height is doubled, the volume is also doubled.

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Which of the following choices is equivalent to the equation?

3(x−1) = 27


x – 1 = 9

x – 1 = 3

x – 1 = -3

Answers

Answer:

just finished a challenge

Step-by-step explanation:

6,370 x 30 find the products
How do I show my thinking or ideas
Example
637•3 6370•30
=1911 =(6370•3)• (10•10)

Answers

Answer:

Product: 191,100

Step-by-step explanation:

Show your work:

(It should look something like this)

6370                                                                                                                              x   30

First: 0 x 0 = 0 (so you put):

6370                                                                                                                              x   30

      0

(everything else times 0 just equals 0 so you'd get this):

6370                                                                                                                              x   30

0000

Next: 3 x 0 = (so you put):

6370                                                                                                                              x   30

0000

    0

Next: 3 x 7 = 21 (so you put):

6370                                                                                                                              x   30

0000

  10

(carry the 2)

Next: 3 x 3 = 9 (so you put):

 2

6370                                                                                                                              x   30

0000

 1 10

(add the number you carried to 9: giving you 11 so you also have to carry a 1 again)

(the first number: 0 of 110 goes under the third 0 of 0000)

(the spacing is just to make sure that the placement is correct: the first 1: of 110 goes under the first 0 of 0000)

Next: 3 x 6 = 18 (so you put):

1 2

6370                                                                                                                              x   30

  0000

191 10

(you add the 1 that you carried to 18 to give you 19)

(again: I only moved the zeros over so that the placement is correct)

Next: Now you add(this is why the placement of the numbers is important):

1 2

6370                                                                                                                              x   30

     0000

+ 191 10

  191,100

(you will put imaginary zeros over 19 because you know that there is already nothing there. You will also add an imaginary zero under the last zero that is hanging there because you know there is nothing there either.)

(Hope this helps! I know its really confusing, if you have any further questions or if the way I explained confused you please tell me or ask me those questions.) :)

Write three and seven eighths as an improper fraction and as a mixed number.
A 17/8, 3 7/8
B 31/8, 3 7/8
C 31/8, 7 3/8
D 59/8, 7 3/8

Answers

The answer is B because if u multiply 8•3 you get 24 + 7

Find the Maclaurin series of the following functions. Step by Step Please

Answers

The Maclaurin series of xcos(-x) up to n = 3 is

[tex]m(x)= xcos(-x)= x-\frac{1}{2}x^3+\frac{1}{24}x^5-\frac{1}{720}x^7+\frac{1}{40320}x^9+\ldots \:[/tex]

The function is given in the question as

m(x) = xcos(-x)

Taylor (Maclaurin) series of xcos(x) up to n=5

A Maclaurin series is given by  f(x),

[tex]f\left(x\right)=f\left(a\right)+\frac{f^'\left(a\right)}{1!}\left(x-a\right)+\frac{f^{''}\left(a\right)}{2!}\left(x-a\right)^2+\frac{f^{'''}\left(a\right)}{3!}\left(x-a\right)^3+\ldots[/tex]

[tex]f\left(x\right)=f\left(0\right)+\frac{f^'\left(0\right)}{1!}\left(x\right)+\frac{f^{''}\left(0\right)}{2!}\left(x\right)^2+\frac{f^{'''}\left(0\right)}{3!}\left(x\right)^3+\ldots[/tex]

We need to do to get the desired polynomial is to calculate the derivatives, evaluate them at the given point, and plug the results into the given formula.

f⁽⁰⁾(x) = f(x) = xcos(x)

Evaluate the function at the point: f(0)=0

1st derivative: f(1)(x)=(f(0)(x))′=(xcos(x))′=−xsin(x)+cos(x)

1st derivative at the given point: (f(0))′=1

2nd derivative: f(2)(x)=(f(1)(x))′=(−xsin(x)+cos(x))′=−xcos(x)−2sin(x)

Evaluate the 2nd derivative at the given point: (f(0))′′=0

3rd derivative: f(3)(x)=(f(2)(x))′=(−xcos(x)−2sin(x))′=xsin(x)−3cos(x)

Evaluate the 3rd derivative at the given point: (f(0))′′′=−3

Now, use the calculated values to get a polynomial:

[tex]m(x)=0+\frac{1}{1!}x+\frac{0}{2!}x^2+\frac{-3}{3!}x^3+.....[/tex]

[tex]m(x)=x-\frac{1}{2}x^3+\frac{1}{24}x^5-\frac{1}{720}x^7+\frac{1}{40320}x^9+\ldots \:[/tex]

Thus, the Maclaurin series of xcos(-x) up to n = 3 is

[tex]m(x)= xcos(-x)= x-\frac{1}{2}x^3+\frac{1}{24}x^5-\frac{1}{720}x^7+\frac{1}{40320}x^9+\ldots \:[/tex]

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If 41 and 42 are complementary angles and if the measure of 41 is 50° more than the measure of 42, determine the measures of 41 and 42

Answers

Answer:

m∠1 = 70

m∠2 = 20

Step-by-step explanation:

41 and 42 are complementary angles:  m∠1 + m∠2 = 90

measure of 41 is 50° more than the measure of 42:  m∠1 = m∠2 + 50

substitute: (m∠2 + 50) + m∠2 = 90

simplify and solve:  2(m∠2) + 50 = 90

                                2(m∠2) = 40

                                m∠2 = 20

Find the probability of exactly three
successes in six trials of a binomial
experiment in which the probability of
success is 50%.

Answers

The probability exactly three successes in six trials is 31.30%

What is Binomial Distribution?

A binomial distribution can be defined as the probability of a success or failure outcome in an experiment or survey that is repeated multiple times.

The probability distribution of a binomial distribution is given by :

P(x = k) = n! /k!(n - k)! P^x(1 - P)^(n - k)

In our case :

n = 6

P = 50/100 = 0.5

Now we want the probability that:

x = 3

This is because the question states that we want the probability that the number of successes are exactly 3.

We do the substitution in the probability distribution function as follows :

P(x = 3) = 6!/3!(6 - 3)! × 0.5³ × (1 - 0.5)³

= 0.3125

= 31.25%

= 31.30%

Hence, the probability of exactly three successes in six trials of a binomial experiment in which the probability of success is 50 is 31.30%

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There are approximately 123,000 people on the waiting list to get season tickets for the Green Bay Packers. This is about 14 times as many as are waiting for Bears tickets and 12 times the number of people waiting on lion's tickets. About how many people are waiting for chicago bears season tickets?

Answers

Answer:

8786

Step-by-step explanation:

123,000/14 = 8786  Since it is about, I rounded to the nearest whole number.

Please help!!!!
Write an equation in point-slope form that passes through the points (2, 4) and (-3, -6).

Answers

Answer:

uh let's see

Step-by-step explanation:

2,4 and -3,-6

y2-y1/

x2-x1

-6-4

-3-2

-10/-5 = 2

slope is 2

u do the rest I'm tired

(04.06A) Which of the following does not describe slope?

Answers

The option that doesn't describe slope is A. A line joining points.

What is a slope?

Slope is determined by dividing the vertical change by the horizontal change between two distinct points on a line.

It is defined as the difference in y coordinate divided by the difference in x coordinate between two distinct points on the line.

A line's slope is a number that describes both its direction and its steepness. Slope is a measure of change or a constant rate of change between two points.

As a result, from the options given, slope is not a line segment connecting two points, but rather the change in a line segment between two points.

It should be noted that the correct option is A.

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Complete question

Which of the following does not describe slope?

A. A line joining points.

B. A constant rate of change

C. A proportional relationship

D. A measure of change

order the fraction to least to greatest 2/3 3/7 4/8

Answers

2/3, 4/8, and 3/7. :P

Find the smallest length that can be divided exactly into equal sections of length 5m,8m and 12m

Answers

As the LCM of 5, 8, and 12, which is 60 so it is the smallest length that can be divided exactly into equal sections of length 5 m, 8 m, and 12 m.

What is an LCM example?

The acronym LCM stands for the least common multiple or factor of any two or more specified integers. The least common multiple for the numbers 16 and 20 is 80, hence the LCM of those two numbers will be, for instance, 2 x 2 x 2 x 2 x 5 = 80.

What is the LCM of 4 and 8?

8 is the LCM of 4 and 8. The LCM is the number that can be divided by the provided numbers equally. You can discover the least common multiple of 4 and 8 by looking at the common multiples. 4 is a multiple of 8, 12, 16, 20, 24, etc.

finding prime factors of the given numbers by repeated division method in order to find the LCM;

2 | 5,8,12

5 | 5,4,6

2 | 1,4,6

2 | 1,2,3

3 | 1,1,3

0 | 1,1,1

so we get 2x5x3x2=60

As the LCM of 5, 8, and 12, which is 60 so it is the smallest length that can be divided exactly into equal sections of length 5 m, 8 m, and 12 m.

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The shortest length which can be split into equal segments of length 5 meters, 8 meters, or 12 meters is 120.

What does "section" signify in terms of forms and purposes?

Your form may be divided into sections with the help of sections, as the name suggests. This enables your users to input responses that might be categorized. The fact that sections divide your form into distinct screens is another significant benefit. For instance, a first screen shows section 1. When concealed lines in external views cannot adequately represent a part's inner design, sections are employed. The internal components can be viewed more clearly by imagining cutting through the thing and removing a section of it.

Briefing:

Finding the LCM by repeatedly dividing the supplied integers to get their prime components:

2 | 5,8,12

2 | 5,4,6

2 | 5,2,3

3 | 5,1,3

5 | 5,1,1

1 | 1,1,1

So we get 2*2*2*3*5*1 = 120

The lowest length that could be divided into precisely equal segments in lengths 5 m, 8 m, and 12 m is 120, which equals the LCM of 5, 8, & 12.

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In a clothing store, 50% of the customers buy a shirt, 30% of the customers
buy a pair of pants, and 15% of the customers buy both a shirt and a pair of
pants.
If a customer is chosen at random, what is the probability that he or she buys
a shirt or a pair of pants?
A. 0.20
B. 0.18
C. 0.65
D. 0.80

Answers

Answer:

.20

Step-by-step explanation:

because customers are always right

4 7/8 + (2 1/6). It’s fractions by the way.

Answers

Answer:

7 and 1/24

Step-by-step explanation:

4 7/8 + 2 1/6

First when adding fractions, we want to have a common denominator. To do that, we must multiply the fractions until we get a desired denominator. We can find LCM.

The LCM of 6 and 8 is 24, so we must multiply accordingly.

We can put this into improper fraction form:

39/8 + 13/6

Then multiply accordingly. Multiply by 3 on both sides for the first fraction, and multiply by 4 on both sides for the second to get a denominator of 24.

117/24 + 52/24

Now, we can add the fractions.

169/24

Simplify

7 and 1/24

Evie just had her birthday. she got a $30 gift card for dunkin donuts and she can’t spend more than $30. the small coffees cost $2 and the large cost $4. she wants to buy at least 10 coffees. how many coffees can she buy using only her gift card?

Answers

Answer:

Step-by-step explanation:

30 dollars to spend she wants to buy at least ten which mean's since 2 times 5 is 10 and 4 times 5 is 20 and 10 plus 20 equals thirty which means she can buy 5 small coffee's and 5 large coffee's

3) A
a
Square with an area of 25m² and
perimeter of 20 is reflected across line
L, then translated 20m right, and then
rotated 20 degrees clockwise, what is
area and perimeter after these transformations?
the

Answers

Answer:

Area =25m²

Perimeter = 20m

Step-by-step explanation:

None of the transformations described change the size or shape of the original object, only position and orientation are changed

"How do we transform System A into System B?
Equation [A1] → Equation [B1]
Equation [A2]→ Equation [B2]
Equation [A1]+Equation [A 2] → Equation [B 2]
Equation [A2]+ Equation [A 1] → Equation [B 1]"

Answers

The transformation of System A into System B is:

Equation [A2]+ Equation [A 1] → Equation [B 1]"

The correct answer choice is option D

How can we transform system A into System B ?

To transform System A into System B as 1 × Equation [A2] + Equation [A1]→ Equation [B1] and 1 × Equation [A2] → Equation [B2].

System A:

-3x + 4y = -23 [A1]

7x - 2y = -5 [A2]

Multiply equation [A2] by 2

14x - 4y = -10

Add the equation to equation [A1]

14x - 4y = -10

-3x + 4y = -23 [A1]

11x = -33 [B1]

Multiply equation [A2] by 1

7x - 2y = -5 ....[B2]

So therefore, it can be deduced from the step by step explanation above that System A is ultimately transformed into System B as 1 × Equation [A2] + Equation [A1]→ Equation [B1] and 1 × Equation [A2] → Equation [B2].

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The function f(x) = 2x3 + 3x2 + 2x – 1 is divided by (x – 1) .

Answers

Step-by-step explanation:

here is your answer hope it helps you plaz mark me as brainlist


Using division, what is the quotient (2x3 - 2x - 12) ÷ (x - 2)?
2x² + 4x-6 +
2x² - 4x + 6
1
X 2)

Answers

Answer: 2x²+4x+6

Step-by-step explanation:

[tex]\displaystyle\\\frac{2x^3-2x-12}{x-2} =\\\\\frac{2(x^3-x-6)}{x-2}=\\\\ \frac{2(x^2-8+8-x-6)}{x-2} =\\\\\frac{2(x^3-2^3-x+2)}{x-2} =\\\\\frac{2((x^3-2^3)-(x-2))}{x-2}=\\\\\frac{2((x-2)(x^2+2x+2^2)-(x-2))}{x-2} =\\\\\frac{2(x-2)(x^2+2x+4-1)}{x-2}=\\\\2(x^2+2x+3)=\\\\2x^2+4x+6[/tex]

floor of a classroom is 38 feet in length and 34 feet in width. A scale drawing of the floor has a length of 19 inches.

Answers

Answer:

38 i think i hope this helps

using a slope formula find the slope pf the line theough the points (0,0) and (2,6)

Answers

Step-by-step explanation:

slope formula: (y2-y1)/(x2-x1)

at the point (0,0), it is known that x=0 and y=0.at the point (2,6), it is known that x=2 and y=6.

slope: (6-0)/(2-0) =6/2 =3

10 less than the product of 8 and b

Answers

Step-by-step explanation:

8b-10

hope it helps. please mark brainliest

Answer:  The correct answer is (8*b) - 10

Step-by-step explanation:

When translating word problems into equations, the term "product" denotes multiplication, and "less than" denotes subtraction.

This wording "10 less than the product of 8 and b" tells us to multiply 8 and b, then subtract 10:

(8*b) - 10

m/3 - 6 = 4

solve for m

Answers

Answer:

m=10

Step-by-step explanation:

m/3-6=4

30/3=10

10-6=4

A clothing business finds there is a linear relationship between the number of shirts, n , it can sell and the price, p , it can charge per shirt. In particular, historical data shows that 1,000 shirts can be sold at a price of $30 , while 3,000 shirts can be sold at a price of $22 . Find a linear equation in the form p(n)=mn+b that gives the price p they can charge for n shirts.

Answers

The linear equation in the form p(n) = mn + b that gives the price p they can charge for n shirt is p(n) = - 1 / 250n + 34.

How to linear equation in slope intercept form?

Linear equation can be represented in slope intercept form as follows:

y = mx + b

where

m = slopeb = y-intercept

Therefore, the clothing business finds there is a linear relationship between the number of shirts, n,  it can sell and the price, p , it can charge per shirt.  1,000 shirts can be sold at a price of $30 , while 3,000 shirts can be sold at a price of $22 .

Therefore,

using  (1000, 30) and (3000, 22) let's find the slope.

m = 22 - 30 / 3000 - 1000

m = - 8 / 2000

m = - 1 / 250

Hence, let's find the y-intercept using (1000, 30)

p(n) = mn + b

where

p = pricen = number of shirt

Therefore,

30 = - 1 / 250 (1000) + b

30 = - 4 + b

b = 30 + 4

b = 34

Hence, the linear equation is p(n) = - 1 / 250n + 34

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Equivalent Ratios: Liam practiced piano 24 times in 4 weeks. His brother practiced 12 times in 2 weeks. Are the rates at which each brother practiced equivalent?(1): Yes, they are equivalent.(2): No, they are not equivalent. a manufacturer is contemplating a switch from buying to producing a certain item. setup cost would be the same as ordering cost. the production rate would be about double the usage rate. compared to the eoq, the maximum inventory would be approximately: first, we form a riemann sum with n rectangles (or subintervals). (i) what is the width of each rectangle? (ii) list the right-hand endpoints of each rectangle. (iii) list the heights of each rectangle. (iv) list the areas of each rectangle. (v) what is the riemann sum with n rectangles? you may use summation notation, but you do not need to. What number is 150% of 90 An airplane flying horizontally with a speed of 500 km/h at a height of 850 m fires a projectile horizontally in its direction of motion at a speed of 290 m/s relative to the plane. (Calculate the following answers relative to the ground.) (a) How far in front of the release point does the projectile hit the ground (in m)? (b) What is its speed when it hits the ground (in m/s)? your partner has expressed a desire to talk about his or her unhappiness with your relationship. you sit down together, and your partner begins to talk. which of the following is a good strategy for you during this engagement?group of answer choicesmaintain eye contact and n For Americans, commitment in marriage seems to mean three things. Which of the following is NOT one of these?a. promiseb. dedicationc. sexual compatibilityd. attachment the chief audit executive set up a computerized spreadsheet to facilitate the risk assessment process involving a number of different divisions in the organization. the spreadsheet included the following factors: pressure on divisional management to meet profit goals complexity of operations competence of divisional personnel the monetary amount of subjectively influenced accounts in the division, such as accounts in which managements judgment can affect the expense, e.g., postretirement benefits the cae used a group meeting of internal audit managers to reach a consensus on the competence of divisional personnel. other factors were assessed as high, medium, or low by either the cae or an internal audit manager who had performed an engagement at the division. the cae assigned a weight ranging from 0.5 to 1.0 to each factor and then computed a composite risk score. which statement is true? the risk analysis is not appropriate because it mixes both quantitative and qualitative factors, thereby making expected value calculations impossible. the weighting is subjective and should have been determined through a process such as multiple-regression analysis. assessing factors at discrete levels such as high, medium, and low is inappropriate for the risk assessment process because the ratings are not quantifiable. using a subjective group consensus to assess personnel competence is appropriate. a process that has natural causes of variation, and considered in good control, but produces some product that does not meet upper and lower specification limits is referred to as suppose the wave is traveling in a medium in which the speed of the wave is 0.75c. determine the maximum magnetic field strength if the maximum electric field strength in the electromagnetic wave is 140 kv/m Which of the following will look at the /etc/passwd file for any lines containing the word root and display them out to the screen while simultaneously writing the results to a file? (Choose two.) if sam has 100 apples and Jante steals 36 from sam how many does sam have left All of the following are examples of TCS foods except:a. Milk and eggsb. Meat and poultryc. Breadd. Sliced melons The difference between a perfectly competitive firm and a monopolistically competitive firm is that a monopolistically competitive firm faces a:a. horizontal demand curve and price equals marginal cost in equilibrium.b. horizontal demand curve and price exceeds marginal cost in equilibrium.c. downward-sloping demand curve and price equals marginal cost in equilibrium.d. downward-sloping demand curve and price exceeds marginal cost in equilibrium. a cell with volume 52 m3 contains gas and a machine. the machine is then turned on remotely, expanding the box to volume of 88 m3 and giving off 830 kj of heat to the gas. the change in internal energy is then determined to be 530 kj. assuming pressure remained constant during this process, what is the pressure of the gas in the cell? Driving in a safe and courteous manner:A) Will increase your chances of being in a collision.B) Can lower the cost of law enforcement and insurance.C) Will get you run over by aggressive drivers.D) None of these answers are correct. which methods can identify a genetic disorder in a fetus? take a blood sample from the placenta take a blood sample from the father take a sample of amniotic fluid perform pcr on the dna of a sibling perform an ultrasound identify the type of tissues that make up the outer and inner skin. how did they appear different in the chicken skin? if the pressure reading of your pitot tube is 12.0 mm hg at a speed of 210 km/h, what will it be at 830 km/h at the same altitude? assume the density of air at sea level. During soccer practice one of your teammates sprains her ankle. You take an instant cold pack from the first aid kit to use on her ankle. It is not at all cold when you take it out. The instructions on the cold pack tell you to punch the pack so that you break open a sake of chemicals inside it. When you do that, you notice that the cold pack rapidly becomes quite cold. What happened?.