Acidity is measured on the pH scale. The acidity of a substance is given by pH=−logH, where H is the concentration of Hydrogen ions. If a substance has an H value of 0.00032, which shows a valid step in the process of calculating the pH of the substance?

Q: solution

A:

Q: Volume is inversely related to pressure. O True

A:

Q: The half-life of Element-X is 210 years. The sample initially contains 30 mg. How many mg will…

A: The half-life of Element-X is 210 years. The sample initially contains 30 mg. To find how many mg…

Q: D) After the drug reaches its maximum concentration, how many hours are required for the…

A: Given the graph of a concentration of a drug in bloodstream(in mg/L) versus tine time (in hours)…

Q: A roast turkey is taken from an oven when its temperature has reached 185 degrees F and is placed on…

A: Initial temperature of turkey(T0) = 185° F Room temperature (Ts) = 75° F a) If temperature after 30…

Q: Certain cells grow according to the formula y = 200e0.5t, where y is the number of cells present t…

A: Given number of cells as a function of t  y=200e0.5t

Q: Solve for x accurate to three decimal places. 5ex = 36

A:

Q: Solve for x accurate to three decimal places.

A: Given equation is                            50e-x=30

Q: Solve for x accurate to three decimal places. eln 3x = 24

A: Given: The function is

Q: The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be…

A:

Q: The amount of water required for a yard which has been landscaped for a desert environment is 17% of…

A: The value of x% of y is calculated using the formula below.

Q: Solve for x accurate to three decimal places.

A: The equation: 9-2ex=7

Q: A factory produces bicycles at a rate of 95 + 300t? – 10t bicycles per week (t in weeks). How many…

A:

Q: the time for the water temperature to reach 70° C E

A: Follow the procedure given below.

Q: A pie is removed from your oven with an internal temperature of 170°F. It is placed on your counter…

A: Given data: Internal temperature=170°F Temperature of the room(surrounding temperature)=60°F After…

Q: Solve for x accurate to three decimal places.

A:

Q: The z-score for 960 h is -0.74. Using the answer from Step 1, what percent of these light bulbs will…

A: Let µ be the mean of the distribution and  σ2 be the variance of the distribution. X : lifetime of…

Q: What does h (11) equal

A:

Q: For Exercise, solve for the indicated variable. IR K = for E

A: Given:

Q: Which graph shows the relationship between pressure and volume in the equation PV = 12?

A:

Q: Use the formula to convert the given Fahrenheit temperature to its equivalenttemperature on the…

A: we have to convert 50°F to Celcius scale using the formula  C=59(F-32)

Q: E (x+1) xp:

A: Given integral is, ∫x+112x52dx.   It is integrated as follows:   Apply u-substitution: u=x+112…

Q: Solve for x accurate to three decimal places. 100e−2x = 35

A: We have to solve equation 100e-2x=35 Simplifying given equation, e-2x=35100e-2x=720 Taking logarithm…

Q: If the population of a certain county was 100,000 in 1998 and 110,315 in 2008 and the formula y =…

A: Given: The population of a certain county was 100,000 in 1998 and 110,315 in 2008. The growth of the…

Q: Solve for x. Round to the nearest tenth of a degree, if necessary.

A: Given right angled triangle,

Q: places

A:

Q: On earth, the ratio of carbon 14 to carbon 12 t years after the death of an organism is given by…

A: Given :- Ratio of C-14 to C-12 , 't' years after death of organismis R=11012e-t8223We have…

Q: If a sample of a certain solution is determined to have a H3O"| concentration of 4.73 x 1…

A: We know that PH value of [H3O+] concentration is given by PH= -log([H3O+]) . where [H3O+]…

Q: A pie is removed from your oven with an internal temperature of 182°F. It is placed on your counter…

A: Newton's law of cooling states that the rate of cooling of an object is inversely proportional to…

Q: Solve for x accurate to three decimal places. eln x = 4

A: Solve the given equation. elnx=4lnx=ln4x=4

Q: Use the approximation formula for f(a + h) to estimate the value √ 17. Compare to the actual value.…

A: Let's assume the the function y = f(x) = x dy/dx = 1/2x                        (because d(xn)/dx =…

Q: A typical pH value for rain or snow in the northeastern United States is about 4.2. Is this basic or…

A: Given that the pH of snow or rain is 4.0

Q: Solve for x accurate to three decimal places.

A: Given equation 800100-ex2=50 Cross multiply the above equation…

Q: Solve for x accurate to three decimal places. 3909 3

A: Steps to calculate the value of x are shown on board

Q: . Price P is directly proportional to the number of items purchased n.

A:

Q: For a particular salmon population, the relationship between the number S, spawned, d the number R…

A:

Q: Solve for x accurate to three decimal places. 9 − 2ex = 7

A: Given:  9−2ex=7

Q: Solve for x accurate to three decimal places. 8ex − 12 = 7

A: the given equation is: 8ex-12=7 we have to solve the equation.

Q: The total amount of money in an account with P dollars invested in it is given by the formula A = P+…

A: use the formula for findng the amount.

Q: A certain radioactive substance has a half-life of 38 hours. Find how long it takes for 90% of the…

A:

Q: Use the model given to answer the question about the object or process being modeled.

A: Given- P=14.7+0.45d To make- (a) A table that gives the pressure for each 10 feet change in depth ,…

Q: Write a formula for the indicated rate of change. dc S(c, k) = c(33k); dk dc dk II

A: Given that: Sc,k=c33kDifferentiting  w.r.t.cdSdc=ddcc33k=33k·1dSdc=33k

Q: Solve for x accurate to three decimal places. 50e−x = 30

A: Our Aim is to solve for x of the given equation below:-50e-x =30 -(i) accurately to three decimal…

Q: If MST = 200 and F = 1.04 what is MSE equal to? Only round final answer to 2 decimal places.

A:

Q: * A hard-boiled egg at 97°C is put into a sink of 15°C water. After 5 minutes, the egg's is 35°C.…

A: Newton's cooling law is used

Q: Solve for x accurate to three decimal places.

A: Given that: The equation is 800100 - ex2 = 50 .

Q: Solve for x accurate to three (3) decimal places e^x − 12 = 7

A: Add 12 in both sides and take ln

Q: Frank's automobile engine runs at 100°C. One day, when the outside temperature is 16°C, he turns off…

A: As per our guidelines we can solve only one question at a time. Please repost unsolved question…

Q: A formula for the normal systolic blood pressure for a man age A, measured in mmHg, is given as P =…

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.