work out the curved surface area of this cylinder to 1d.p.

Answers

Answer 1

The curved surface area of a cylinder with radius of 7 cm and height of 15 cm is 259.7 cm²

What is an equation?

An equation is an expression that shows how two numbers and variables are related using mathematical operations such as addition, subtraction, exponent, division and multiplication.

The curved surface area of a cylinder is:

Curved surface area = 2π * radius * height

From the image:

Radius = 7 cm, height = 15 cm, therefore:

Curved surface area = 2π * 7 cm * 15 cm = 259.7 cm²

The curved surface area is 259.7 cm²

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Work Out The Curved Surface Area Of This Cylinder To 1d.p.

Related Questions

Hey can you help me fast!

Hey can you help me fast!

Answers

Sure what’s your problem

Answer:

29 square feet?

Step-by-step explanation:

yk im like 99.9% sure this is right, but that other 1% is just doubting me. So all I did to solve this was add up teh sides to find the perimeter of the shape, or in this case, the hole in the ground.

my answer is wrong d o. n o t. put my answer down

In which direction must the graph of f(x) = |x| be shifted to produce the graph of g(x) = |x - 4|?

In which direction must the graph of f(x) = |x| be shifted to produce the graph of g(x) = |x - 4|?

Answers

Answer:

right... C.

Step-by-step explanation:

PLEASE SHOW WORK!!!!!!!!!

PLEASE SHOW WORK!!!!!!!!!

Answers

For the two functions given, the value for f(g(8)) is option D - 24.

What is a function?

In mathematics, a function is a unique arrangement of the inputs (also referred to as the domain) and their outputs (sometimes referred to as the codomain), where each input has exactly one output and the output can be linked to its input.

The first function is given as f(x) = x² + 2x.

The second function is given as g(x) = √(2x).

To find f(g(8)), we need to first evaluate g(8) and then plug the result into f(x).

Using g(x) = √(2x), we can find g(8).

Substitute the value of x in the equation -

g(8) = √(2(8))

g(8) = √16

g(8) = 4

Now that we know g(8) = 4, we can find f(g(8)) by plugging in 4 for x in f(x) .

Substitute the value of g(8) in the equation -

f(g(8)) = f(4)

f(g(8)) = 4² + 2(4)

f(g(8)) = 16 + 8

f(g(8)) = 24

Therefore, the solution is obtained as 24.

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7. Four points are graphed on the coordinate grid.
A Point W
B. Point V
C. Point S
D. Point R
Which point is best represented by the ordered pair (2,-5,5)

7. Four points are graphed on the coordinate grid.A Point WB. Point VC. Point SD. Point RWhich point

Answers

Don’t click that link. The answer is W

solve 2 log3 x + log3 5 =125​

Answers

Answer:

x = √(3^125/ 5)

approx 2.9552445 * 10^29.

Step-by-step explanation:

2 log3 x + log3 5 =125​

log3 x^2 + log3 5 = 125

log3 (5x^2) = 125

3^125 = 5x^2

x^2 = 3^125/ 5

x = √(3^125/ 5)

This is a huge number

An approximation of it is 2.9552445 * 10^29.

I’m stuck on this for about 20 minutes, can someone help and explain step by step to me?

Im stuck on this for about 20 minutes, can someone help and explain step by step to me?

Answers

Answer:

The answer is \(-\frac{1}{15}\)

Step-by-step explanation:

I used my calculator and inputted everything.

given that logm 3=0.903,logm4=1.139 , and logm7=1.599, find logm4/m.

Answers

The value of logm 4/m is 1.139 - 2 logm m. This means that we can express logm 4/m in terms of other logarithmic values without finding the exact value of m.

Given that logm 3 = 0.903, logm 4 = 1.139, and logm 7 = 1.599. We are to find logm 4/m.

Using the properties of logarithm, we have,

logm 4/m = logm 4 - logm m

               =1.139 - logm m               .....................................(1)

Again, using the properties of logarithm, we know that:

logm 4 = logm (2 × 2)  

        = logm 2 + logm 2

         = 1.139 = 2logm 2                    ..................................(2)

Substituting equation (2) into (1) gives:

logm 4/m = 2logm 2 - logm

           m = 2logm (2/m)          ..................................................(3)

Using the property of logarithm once again, we know that:

loga b = logc b / logc a                     ............................................(4)

Substituting equation (4) into equation (3), we have:

logm 4/m = 2 logm 2 - logm

m= logm [(2/m)² / m]                       .............................................(5)

Now, we are to find logm 4/m by substituting the given values.

Using equation (2), we have:

logm 2 = (1.139)/2

     = 0.5695

Using equation (5), we get:

logm 4/m = logm [(2/m)² / m]

logm 4/m = logm [4/m²m]

 logm 4/m = logm 4 - logm

logm 4/m = 1.139 - 2 logm m

Therefore, by using the properties of logarithm, we have found that logm 4/m = 1.139 - 2 logm m. This means that we can express logm 4/m in terms of other logarithmic values without finding the exact value of m.

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Find the equation of the line with the given slope and the y-intercept.
slope = 1/5; y-intercept = -5

Answers

The equation of the line with the given slope and the y-intercept.

slope = 1/5; y-intercept = -5 is y = 1 / 5 x - 5

How to find the equation of a line?

The equation of a line can be described as follows:

y = mx + b

where

m = slopeb = y-intercept

Therefore,

slope of the line = 1 / 5

y-intercept = - 5

Hence, the equation of the line can be represented as follows:

y = 1 / 5 x - 5

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How many meters are in 3.7 km?

Answers

Answer:

3700 m.

Step-by-step explanation:

3.7km= 3.7* 1000

3.7 km = 3700 m

Help please ASAP.......

Help please ASAP.......

Answers

The solution is, the circumference of the circle with radius 14in. is  87.96 inch.

What is perimeter?

A perimeter is a closed path that encompasses, surrounds, or outlines either a two dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is called its circumference. Calculating the perimeter has several practical applications.

Perimeter refers to the total outside length of an object,

here, we have,

the radius = r = 14 inch.

we know,

circumference = 2*pi* r

so, calculating we get,

circumference = 87.96 inch.

Hence, The solution is, the circumference of the circle with radius 14in. is  87.96 inch.

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I need help with this, I "apparently get it wrong"

I need help with this, I "apparently get it wrong"

Answers

The top left picture adds up to 14

Answer:

Step-by-step explanation:

Which one adds up to 14 is the question?  There are dots on the dice which correspond to numbers. The dots are saying that they are numbers. And if you get to 14 with the dices, you pick it.

Triangle ABC is reflected across line L to create A' B' C'.

What is the area of A' B' C'?​

Triangle ABC is reflected across line L to create A' B' C'.What is the area of A' B' C'?

Answers

Answer: 6

Step-by-step explanation:

A'B' = AB, and B'C' = BC. So A = (1/2)(3)(4)=6.

what is the electron domain charge cloud geometry of brf5

Answers

The electron domain charge cloud geometry of \(BrF_5\) is trigonal bipyramidal.

To determine the electron domain charge cloud geometry of \(BrF_5\), we need to examine the number of electron domains around the central atom (Br).

\(BrF_5\) consists of one central bromine atom (Br) surrounded by five fluorine atoms (F). Each bond and lone pair of electrons represents an electron domain.

In \(BrF_5\), there are five bonding pairs (Br-F) and no lone pairs around the central bromine atom. Therefore, the total number of electron domains is five.

Based on this information, the electron domain charge cloud geometry of \(BrF_5\) is trigonal bipyramidal.

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this is urgent please help me

this is urgent please help me

Answers

Answer:

23 mpg

161/7=23

Add in the unit you are measuring by, and you get 23 mpg

Answer:

B: 23

Step-by-step explanation:

Divide 161 by 7 to get 23.

helppppppppppppppppppppppppp

Answers

What is the question

Answer:

with what

Step-by-step explanation:

help

[help]

VERB

make it easier for (someone) to do something by offering one's services or resources.

"they helped her with domestic chores" · [more]

synonyms:

assist · aid · help out · lend a hand to · lend a helping hand to · [more]

(help someone to)

serve someone with (food or drink).

"she helped herself to a cookie"

(can/could not help)

cannot or could not avoid.

"he could not help laughing" · [more]

synonyms:

be unable to stop · be unable to prevent oneself from · [more]

NOUN

the action of helping someone to do something; assistance.

"I asked for help from my neighbors" · [more]

synonyms:

assistance · aid · a helping hand · support · succor · advice · guidance · [more]

EXCLAMATION

used as an appeal for urgent assistance.

"Help! I'm drowning!"

a square has a perimeter of 40cm what is the length of each side​

Answers

Answer:

length of each side : 10 cm

Step-by-step explanation:

all sides of squares are equal

thus, 4 sides = 40 cm

1 side = 40/10 cm

1 side = 10 cm

Answer:

10 cm

Step-by-step explanation:

the formula of the perimeter of a square = 4 × (length of any one side)

we use the inverse formula

40 : 4 = 10 cm

round 13.045 to the nearest hundreth

Answers

Answer:

13.00

Step-by-step explanation:

Ms. B is making snickerdoodle cookies. Her recipe uses one and a half teaspoons of cinnamon to make two dozen cookies. If she needs to make thirteen dozen cookies to give one cookie to each of her students, how much cinnamon will she need? There are three teaspoons in one tablespoon. How many tablespoons and teaspoons will Ms. B need?

Answers

Answer:

First we must learn to dissect a question.

Explanation:

Part 1

We can list our facts first:

Every 2 dozen cookies takes 1.5 teaspoons of cinnamon to makeShe needs 13 dozen cookies

She needs 13 dozen cookies. So (13/2)x 1.5 teaspoons

\(6.5 \times 1.5 = 9.75 \: teaspoons\)

Part 2

She needs 9.75 teaspoons and 3 teaspoons make a tablespoon

So..

\(9.75 \div 3 = 3 r0.75= 3tbsp \: and \: 0.75tsp\)

the length of each side of a square is 3 inches more than the length of each side of a smaller square. the sum of the areas of the squares is 149 inches squared. find the length of the side of the smaller square.

Answers

The length of the side of the smaller square is 7 inches.

Let x be the length of the side of the smaller square.

The length of each side of a square is 3 inches more than the length of each side of a smaller square. Thus the length of the side of the larger square is

(x + 3) inches.

The area of the smaller square is

x^2 square inches.

The area of the larger square is

(x + 3)^2 square inches.

We can set up the equation:

x^2 + (x + 3)^2 = 149

Expanding and simplifying the equation gives:

x^2 + x^2 + 6x + 9 = 149

Combining like terms:

2x^2 + 6x - 140 = 0

Using the quadratic formula, we can solve for x:

x = (-b ± √(b^2 - 4ac)) / 2a

x = (-6 ± √(6^2 - 4 * 2 * (-140))) / 2 * 2

x = (-6 ± √(36 + 1120)) / 4

x = (-6 ± √(1156)) / 4

x = (-6 ± √(596)) / 4

x = (-6 ± 34) / 4

x = -10 or x = 7

The side length of the smaller square can't be negative, so x = 7 inches.

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The difference of x and y is 14. The value of x is 3 more than
twice the value of y. Write two equations and graph to find
the value of x.
O X = 25
O x = -17
OX= 4
O x = 11

Answers

The value of X = 25.

The difference of x and y is 14. The value of x is 3 more thantwice the value of y. Find the value of x and y.

Solution:

The two equations are

(i) the first condition is difference of x and y is 14

x - y = 14 ---------equation 1

(ii) the second condition of the given data is value of x is 3 times more than two times of y value.

x - 2y = 3 --------equation 2

From equation 2, we have to separate two variables x and y,

x = 3 + 2y  --------equation 3

We have to Substitute equation 3 in equation 1

3 + 2y - y = 14

3 + y = 14

y = 14 - 3

y = 11

Substitute y = 11 in equation 1........

x - 11 = 14

x = 14 + 11

x = 25

So, the value of x is 25 and y is 11.

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Answer:

x - y = 14x - 2y = 3x = 25

Step-by-step explanation:

Given the difference of x and y is 14, and the difference of x and 2y is 3, you want two equations, their graph, and the value of x.

Equations

The difference of 'a' and 'b' is (a -b). Here, the two differences are expressed as the equations ...

x - y = 14x - 2y = 3

Graph

The attachment shows a graph of these equations. Their point of intersection is (25, 11), meaning the value of x is 25.

The graph of the first equation is easily drawn by recognizing the x- and y-intercepts are 14 and -14, respectively.

The graph of the second equation will go through the x-intercept point of (3, 0) and the y-intercept point of (0, -3/2). It is probably easier to graph this by hand by considering the x-intercept point and the slope of 1/2.

Algebraic solution

Since we're only interested in the value of x, it is convenient to eliminate the variable y. We can to that by subtracting the second equation from twice the first:

  2(x -y) -(x -2y) = 2(14) -(3)

  x = 25 . . . . . . . . . simplify

The difference of x and y is 14. The value of x is 3 more thantwice the value of y. Write two equations

A 330 ml bottle of mineral water costs $0.42. A 1.5 litre bottle of the same water costs $1.65.
Which bottle is better value for money?

Answers

Answer:

Not much of a difference but the second bottle is the best buy

Step-by-step explanation:

1) Make sure that all corresponding units are the same.

Litres to millilitres

1.5 L x 1000 = 1500 ml

2) Find out how much you are paying for 1 ml for each bottle

a) First bottle

330 ml = $0.42

1 ml = x

330x = 0.42

x = 0.42/330

x = 0.0013

b) Second bottle

1500 ml = $1.65

1 ml = x

1500x = 1.65

x= 1.65/1500

x= 0.0011

40÷1+3‐(3×7)+7-5 use pedams to answer the following question

Answers

Hey there!

40 / 1 + 3 ‐ (3 * 7) + 7 - 5

= 40 + 3 - (3 * 7) + 7 - 5

= 43 + 7 - 5 - 3 * 7

= 50 - 5 - 3 * 7

= 45 - 3 * 7

= 45 - 21

= 24

Answer: 24

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

Question 2A deli sells meal by the pound. The Expression 7.99m+5.99c represents the total cost of m pounds of meat and c pound of cheese . Select all true statements.

Question 2A deli sells meal by the pound. The Expression 7.99m+5.99c represents the total cost of m pounds

Answers

Answer:

The expression is given below as

\(7.99m+5.99c\)

Where,

The total pounds of meat is

\(=m\)

The total pounds of cheese is

\(=c\)

from the relation above,

\(\begin{gathered} m\text{ pounds of meat cost = 7.99m} \\ 1\text{ pound of meat will cost=x} \\ \frac{m\times x}{m}=\frac{7.99m}{m} \\ x=7.99 \end{gathered}\)

From the relation above,

\(\begin{gathered} c\text{ pounds of ch}eese\text{ cost = 5.99c} \\ 1\text{ pound of chesse will cost = y} \\ \frac{c\times y}{c}=\frac{5.99c\times1}{c} \\ y=5.99 \end{gathered}\)

To figure out the cost of 2 pounds of meat and 3 pounds of cheese, we will substitute the values below

\(\begin{gathered} m=2,c=3 \\ 7.99m+5.99c \\ 7.99(2)+5.99(3) \\ =15.98+17.97 \\ =33.95 \end{gathered}\)

Hence,

The options that are TRUE are OPTION A, OPTION B, and OPTION E

Do not solve the problem

Do not solve the problem

Answers

Answer:

he made the error in step 3

Step-by-step explanation:

Charlie did indeed do the first steps correctly. He took like terms to one side. However, when he added 2p and 6 to get 8p (?) he mistook them for like terms. This is incorrect. 2p cannot be added with 6 because they are different terms: one with a variable, and one without anything. He should've continued the process of isolating p, the variable, by subtracting 6 from both sides, having:

-11 - 6 = 2p +6 - 6

simplify:

-17 = 2p

Isolate:

p = -17/2

Solve the following inequality: 38 < 4x+3+7 – 3x.
a. x < 28
b. x > 28
c. x < 4
d. x > 4

Answers

To solve the given inequality, first we have to simplify the given inequality.38 < x + 10 After simplification we get, 38 - 10 < x or 28 < x.

The correct option is B.

The given inequality is 38 < 4x + 3 + 7 - 3x. Simplify the inequality38 < x + 10  - 4x + 3 + 7 - 3x38 < -x + 20 Combine the like terms on the right side and simplify 38 + x - 20 < 0 or x + 18 < 0x < -18 + 0 or x < -18. The given inequality is 38 < 4x + 3 + 7 - 3x. To solve the given inequality, we will simplify the given inequality.

Simplify the inequality38 < x + 10  - 4x + 3 + 7 - 3x38 < -x + 20 Combine the like terms on the right side and simplify 38 + x - 20 < 0 or x + 18 < 0x < -18 + 0 or x < -18. Combine the like terms on the right side and simplify38 + x - 20 < 0 or x + 18 < 0x < -18 + 0 or x < -18.So, the answer is  x > 28. In other words, 28 is less than x and x is greater than 28. Hence, the answer is x > 28.

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The function f(x) = x^2 is graphed above. Which of the graphs below represents the function g(x) = (x + 1)^2?

The function f(x) = x^2 is graphed above. Which of the graphs below represents the function g(x) = (x
The function f(x) = x^2 is graphed above. Which of the graphs below represents the function g(x) = (x

Answers

We are given the following parent function f(x)

\(f(x)=x^2\)

The transformed function g(x) is

\(g(x)=(x+1)^2\)

Notice that the change is done in the horizontal direction.

Recall that the transformation rule for the horizontal translation to the left is given by

\(f(x)\rightarrow f(x+c)\)

Where c is the number of units by which the graph is shifted to the left.

So, we should expect that the graph is horizontally shifted to the left by 1 unit.

Therefore, the above is graph represents the transformed function g(x) which is horizontally shifted to the left by 1 unit.

The function f(x) = x^2 is graphed above. Which of the graphs below represents the function g(x) = (x

In a bag of Christmas treats,there are 3 red candy canes for every 5 gingerbread men. If there are a total of 40 treats, how many are candy canes?

Answers

Answer:

Candy canes are a classic Christmas treat, traditionally white with red stripes and flavored with peppermint. They have been popular since the 1600s and are thought to have originated in Germany. Today, 90 percent of all candy canes are sold between Thanksgiving and Christmas.

In a bag of Christmas treats, there are 3 red candy canes for every 5 gingerbread men. If there total is 40 treats, then the number of candy canes will be 24. This can be calculated by taking 40 divided by 8 (5+3) which equals 5, and then multiplying this by 3 which equals 15. Therefore, 24 candy canes are included in the bag of 40 Christmas treats.

Step-by-step explanation:

There’s 24 candy canes in the bag of 40 Christmas treats

Hope this helped!:)

for a goodness-of-fit test for a distribution with 7 categories, what are the degrees of freedom for the distribution for this test?

Answers

The degrees of freedom for a goodness-of-fit test with 7 categories is 6, and this value is used to determine the critical value for the chi-square test statistic.

The degrees of freedom (df) for a goodness-of-fit test with k categories is calculated as (k-1), where k represents the number of categories or groups being compared. Therefore, for a goodness-of-fit test with 7 categories, the degrees of freedom would be 6.

The goodness-of-fit test is a statistical test that assesses whether a set of observed data fits a particular theoretical distribution. The test involves comparing the observed frequencies of data in each category with the expected frequencies based on the theoretical distribution. The chi-square test is commonly used for this purpose.

The degrees of freedom in a chi-square goodness-of-fit test are important because they determine the critical value of the test statistic. The critical value is compared to the calculated chi-square value to determine whether the observed data fits the theoretical distribution.

If the calculated chi-square value is greater than the critical value, then the observed data does not fit the theoretical distribution and the null hypothesis is rejected. If the calculated chi-square value is less than the critical value, then the observed data fits the theoretical distribution and the null hypothesis is not rejected.

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is 16 rational why or why not?

Answers

Answer: Sixteen is a rational number

a pendulum has a length of 5.64 m. find its period. the acceleration due to gravity is 9.8 m/s 2 . answer in units of s.

Answers

The period of the pendulum (t) is approximately 4.77 seconds.

The formula for a basic pendulum's period is

T = 2π√(L/g)

where L is the pendulum's length and g is its gravitational acceleration.

Substituting the given values, we get:

T = 2π√(5.64/9.8)

Simplifying the expression inside the square root, we get:

T = 2π√(0.5755)

Calculating the square root, we get:

T = 2π(0.759)

Multiplying by 2 and π, we get:

T = 4.77 seconds (rounded to two decimal places)

Therefore, the period of the pendulum is approximately 4.77 seconds.

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InstructionsRead the question carefully and select the best answer.What two solutions mainly does Madison identify as capable of eliminating factions?A. Destroy liberty; make all citizens identicalB. Remove the causes; control the effectsC. Rewrite the Constitution; give power back to the StatesD. Delay elections; move the Capitol to New York Please solve this with clear steps!!!!! 20 POINTS Transformation describes the process of:A: DNA insertion into a novel organismB: DNA mutation due to exposure to radiationC: DNA evolution due to natural selectionD: DNA replication via cell-division cycleNo links! Answer fastPicture included! Select the best answer for the question.18. Which of the following represents one of the principles of visual art?OA. ImagesOB. PaintingOC. Compositional balanceOD. Sculpture Let U = (a, b, c, d, e, f, g, h, k), A = (g, h, k), B = (e, h, k), and C= {a, e, g). Find the following set.AU(BA C) Oriole Ltd. has issued bonds that never require the principal amount to be repaid to investors. Correspondingly, Oriole must make interest payments into the infinite future. If the bondholders receive annual payments of $88 and the current price of the bonds is $1,100.00.What is the pre-tax cost of this debt? (Round answer to 2 decimal places, e.g. 15.25%.) Given the following sets, find the set (A U B U C)U = {1, 2, 3, . . . ,6)A = {1, 3, 4, 5)B = {2, 3, 6)C = (2, 3, 4, 5, 6) the lagging development of the _____ during adolescence is associated with impulsivity and emotionality. Calculate the cash surrender value for Lee Chin, age 39, who purchased a $280,000 20-year endowment policy. At the end of year 10, Lee stopped paying premiums. (Use Table 20.2.)Note: The answer is NOT 140,000 Nicanor retired at the end of 2022 after rendering 25 years of continuous services for ABC Corporation which employed him immediately after his graduation from college. Nicarlor was then 23 years old when he graduated from college. The corporation for the past 25 years, does not have a Collective Bargaining Agreement with its employees and no labor organization was ever formed. He earned the following income in 2022: Salary for the first quarter P 180,000 Honorarium as speaker in one of ABC corporation's team building activities 10,000 Retirement Pay 2,500,000 Commissions 30,000 Fee as a member of ABC Corporation board 50,000 of directors 10 days monetized vacation leave 12,000 Interest income from time deposit in BDO- Lipa (net of final withholding tax) 24,000 Dividend income from XYZ Corporation (as an investor, net of final withholding tax) 45,000 Productivity incentive pay 20,000 13th Month pay 60,000 From the facts given, how much is the final tax, if any? At a particular gas station gas costs $3.15 per gallon, but if you buy a$5.50 car wash gas only costs $2.85 per gallon.At how many gallons will you break even?when is it cheaper to buy the car wash? please help!! I am begging you please help me Next, youll test your hypothesis by examining the reaction times of vinegar and baking soda in boiling water using four different concentrations of the reactants. Youll vary the concentrations by using tablespoon (7.5 milliliters), 1 tablespoon (15 milliliters), tablespoons (22.5 milliliters), and 2 tablespoons (30 milliliters) of water. Note that you will use the same amounts of vinegar and baking soda for each trial.Gather all the materials, and proceed with these steps:Boil at least 1 cup (240 milliliters) of water on a stove, on a hot plate, or in a microwave oven.Measure and record the actual temperature of the water.Measure the required amount of boiling water into the cup.Add teaspoon (1.5 grams) baking soda to the water, and stir until it is dissolved. The resulting solution will be clear.Measure out 1 tablespoon (15 milliliters) of vinegar, but do not pour it into the cup yet.Very quickly, do all of the following:a. Pour the measured vinegar into the cup.b. Start the stopwatch.c. Stir or carefully swirl the substances in the cup.The chemical reaction will produce bubbles. Youll be able to see the bubbles and hear them pop. Watch and listen for when the reaction stops. When it looks and sounds like it has finished, stop the stopwatch.Record the reaction time in the data table.Discard the solution down the drain, and rinse the cup.Repeat this procedure, doing three trials at each concentration. Record the average temperature and reaction time for each set of the three trials. Read this math review for a refresher on finding averages. ima rilla saari rushes to her car in order to hurry home and get dressed for work. failing to realize the dangers of driving under slick and icy conditions, she collides her 915.0-kg mazda miata into the rear of a 3101.0-kg pick-up truck which was at rest at the light on lake avenue. ima's pre-collision speed was 13.5 m/s. determine the 3101.0-collision speed of the two entangled cars as they slide across the ice.