Blink’s co-founders have been working in security and automation for a number of years, and they observed that there was a strong overlap between developer operations (DevOps) and ...Identifying the Degree and Leading Coefficient of Polynomials. The formula just found is an example of a polynomial, which is a sum of or difference of terms, each consisting of a variable raised to a nonnegative integer power.A number multiplied by a variable raised to an exponent, such as \(384\pi\), is known as a coefficient.Coefficients …Feb 23, 2020 · 7 6 5 00 8 2 1 3 4 3. 456 4. 4 and Decide whether each statement is TRUE or FALSE. If the statement is FALSE, correct the statement. 1. 2. 23 21 and 2 … 2 are vertical angles. 41 and 5 are corresponding angles. 2 and 5 are alternate exterior angles. 6 are alternate interior angles. 5. Using Properties to Simplify Expressions assignment 100% you will get a 100%. ... He realized that he lost es001-1.jpg of a dollar each hour that the store was closed ...To simplify an expression with fractions find a common denominator and then combine the numerators. If the numerator and denominator of the resulting fraction are both divisible by the same number, simplify the fraction by dividing both by that number. Simplify any resulting mixed numbers. Show moreA free math video lesson on Simplify Powers of i. This lesson is based on the open education resource College Algebra by OpenStax. This lesson covers Simplif...A rational expression is an expression of the form p ( x) q ( x), where p and q are polynomials and q ≠ 0. Remember, division by 0 is undefined. Here are some examples of rational expressions: − 13 42 7y 8z 5x + 2 x2 − 7 4x2 + 3x − 1 2x − 8. Notice that the first rational expression listed above, − 13 42, is just a fraction.5 PRACTICE PROBLEM. Simplify the following expression and write the answer in standard form: 5/ (3 + i) (1 - i) 6 PRACTICE PROBLEM. Evaluate the following expression for x = 2i: (x2 + 12)/ (3 - x)In today’s digital age, the need for converting files from one format to another has become increasingly common. One such conversion that is frequently required is the conversion o...Simplify the expression to solve for the portion of the . Tap for more steps... Step 2.6.1. Simplify the numerator. Tap for more steps... Step 2.6.1.1. Raise to the power of . ... Step 4.4.1. The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression ...The statement 2(3x)=6x is an identity.That is, the left-hand side and right-hand side of 2(3x)=6x are the same for all values of x.Although the derivation in Example 1 should be the proof of this statement, it helps the intuition to check the validity of the statement for one or two values of x.. If x = 4, then \[ \begin{array}{c c c} 2(3x) = 2(3( …To convert a file from the JPG format to the DST format, download a program or application that performs the conversion. Then, open the JPG file inside the software and save it in ...Click here 👆 to get an answer to your question ️ Simplify mc002-1. Jpg –100,000 mc002-2. Jpg mc002-3. Jpg 100,000. See what teachers have to say about Brainly's new learning tools! ... Identify the reference angle es001-1. Jpg for each given angle, es001-2. Jpg. Es001-3. Jpg degrees. Es002-1. Jpg degrees. Es003-1. Jpg …How to solve logarithmic function. Given: e^In 10 / 2 In e. e ln x = x. Natural log of e = ln e = 1. So, e^In 10 / 2 In e. = 10/2. = 5. The complete question: A town …Simplify the right side. Tap for more steps... Step 3.3.1. Divide by . Step 4. Add to both sides of the equation. Step 5. Divide each term in by and simplify. Tap for more steps... Step 5.1. Divide each term in by . Step 5.2. Simplify the left side. Tap for more steps... Step 5.2.1. Cancel the common factor of .The expression can be written as a single radical by covertong the expression to a rational format such that both the denominator and numerator have the same base as y¼. Numerator = The 4th root of y³ = y¾; Denominator = squareroot of y = y½; Using indices:. Division sign signifies the powers should be subtracted; Therefore, the expression can …Study with Quizlet and memorize flashcards containing terms like Use the formula for radian measure to calculate the measure of a central angle in a circle having a radius of 12 cm and intercepting an arc of 21 cm. es001-1.jpg The angle has a measure of _____ radians., Convert 1 radian to degrees. Round your answer to the nearest degree., …Free Cube Root calculator - Find cube roots of any number step-by-stepDutch e-bike maker VanMoof is refreshing its entry level lineup with a pair of new bikes that come in some exciting colorways. Dutch e-bike maker VanMoof is refreshing its entry-le...so i^4 is back to 1. Take the power , divide by 4 and look to the chart for the remainder. If the remainder is 0 then i to that power is 1. 1 i. 2 -1. 3 -i. i^22. Take 22/4 = 5 remainder 2. The remainder is 2 so i^22 = -1.Click here 👆 to get an answer to your question ️ A town predicts that its population will double in e^(ln 10)/2ln e years. Simplify the expression. In how mUsing it's concept, it is found that the vertical asymptotes of the function are given by:. x = -1. x = 4. Vertical asymptote: The vertical asymptotes of a function f(x) are the values of x which are outside the domain of the function.Step 1 - Write the parent function. Step 2 - Draw the graph of the parent function . Step 3 - Now, translate the graph of the parent function towards the right by 6 units. So, the graph obtained is the graph of . Step 4 - Now, stretch the graph of the function obtained in the above step by 3 units. So, the graph obtained is the graph of .The reference angle is the smallest angle between the terminal side and the x-axis. 300 degrees is in the 4th quadrant. So, the reference angle is. Hence, the reference angle of 300 degrees is 60 degrees. 225 degrees is in the 3rd quadrant.Step by Step Solution. Reformatting the input : Changes made to your input should not affect the solution: (1): "g4" was replaced by "g^4". 1 more similar replacement (s). (2): …We know that cube root can also be written as the power of 1/3, So. Multiplying the power with both variables. Simplifying the equation to get final form. As we can see that it is similar to the option B which is. B) x superscript five-thirds Baseline y superscript one- third. the correct option is BClick here 👆 to get an answer to your question ️ Exercise #5: Simplify each of the following powers of i. i^1=i i^2= i^3= i^4= i^5= i^6= i^7= i^8= We see, the. ... Study Resources / algebra / complex numbers. Question. Exercise #5: Simplify each of the following powers of i. i^1=i i^2= i^3= i^4= i^5= i^6= i^7= i^8= We see, then, from this pattern that every …richard bought 3 slices of cheese pizza and 2 sodas for $8.75. Jordan bought 2 slices of cheese pizza and 4 sodas for $8.50. How much would an order of 1 slice of cheese pizza and 3 sodas cost? A. $3.25 B. $5.25 C. $7.75 D. $7.25Select the expression that is equivalent to: 3 sqrt 1089 Simplify completely: a and 99. Simplify: c and b. Simplify: b and b. Simplify: a and b. Simplify completely. b. What is the simplest form of mc001-1.jpg. (A) sqrt 2. Which expression should you multiply the numerator and denominator of mc001-1.jpg by to rationalize the denominator? C. What is mc002-1.jpg in simplest form? A. What is the simplest form of mc001-1.jpg. D. The gravitational force formula is mc001-1.jpg where F is the force between two ... Right triangle mc001-1.jpg has mc001-2.jpg, a = 6, and b = mc001-3.jpg. Use this information to find mc001-4.jpg. This question hasn't been solved yet! Not what you’re looking for? Submit your question to a subject-matter expert. Send to expert Send to expert Send to expert done loading.1.1 Factoring: es3-jpg Theory : A difference of two perfect cubes, a3-b3 can be factored into (a-b) • (a2+ab +b2) Proof : (a-b)• (a2+ab+b2) =a3+a2b+ab2-ba2-b2a-b3 =a3+ (a2b-ba2)+ (ab2-b2a)-b3=a3+0+0-b3=a3-b3 Check : e 1 is not a cube !! Ruling : Binomial can not be factored as the difference of two perfect cubes. 3a + 2 − 6aa2 − 4 = 1a − 2. The students is incorrect. There are no solutions to this equation because first, you would find the LCD which is (a2) (a2). Next, you would simplify making 3 (a2)6aa2. Then, you would expand making 3a6a2. The next step is adding 6 to both sides. Soon, you get 4a/4 which equals 8/4. Select the expression that is equivalent to: 3 sqrt 1089 Simplify completely: a and 99. Simplify: c and b. Simplify: b and b. Simplify: a and b. Simplify completely. b.Find more answers. plus. Ask your question. What is the measure of angle 2? es001-1.jpg = - 23560972. The formula es001-1.jpg gives the time it takes in seconds, T, for a pendulum to make one full swing back and forth, where L is the length of the pendulum, in feet. To the nearest foot, what is the length of a pendulum that makes one full swing in 1.9 s? Use 3.14 fores001-2.jpg . Free Cube Root calculator - Find cube roots of any number step-by-stepa: The vertex is a maximum. Study with Quizlet and memorize flashcards containing terms like The axis of symmetry for the graph of the function f (x) = 3x^2 + bx + 4 is x = 3/2. What is the value of b? a: −18 b: −9 c: 9 d: 18, The axis of symmetry for the graph of the function f (x) = 1/4x^2 + bx + 10 is x = 6.Es001-1.jpg a = b = c = - 24826521. vinaysingh9383 vinaysingh9383 06.10.2020 Math Secondary School answered ... (Simplifying Products and Quotients of Powers)5 PRACTICE PROBLEM. Simplify the following expression and write the answer in standard form: 5/ (3 + i) (1 - i) 6 PRACTICE PROBLEM. Evaluate the following expression for x = 2i: (x2 + 12)/ (3 - x)Mar 14, 2018 · Plot points at (0, 3), (0, 1), and (0, 5). What is true about all points with an x-coordinate of 0? A group consisting of 21 aggressive zombies quadruples in size every hour. May 29, 2020 · Hence, the order of steps needed to simplify this expression is. Step 1. Step4. Step3. Step2. What is the simplification? Simplification is reducing the expression/fraction/problem in a simpler form. It makes the problem easy with calculations and solving. Here given expression is. Step 1:-Simplify the parenthesis. Step 2:- Evaluate exponents Water is sometimes removed from the products of a reaction by placing the products in a closed container with excess P4O10. Water is absorbed by the following reaction. P4O10 + 6H2O es001-1.jpg 4H3PO4 What is the mole ratio of water to H3PO4? Do not simplify the ratio. Hes001-2.jpgO:Hes001-3.jpgPOes001-4.jpg = :4Feb 23, 2020 · 7 6 5 00 8 2 1 3 4 3. 456 4. 4 and Decide whether each statement is TRUE or FALSE. If the statement is FALSE, correct the statement. 1. 2. 23 21 and 2 … 2 are vertical angles. 41 and 5 are corresponding angles. 2 and 5 are alternate exterior angles. 6 are alternate interior angles. 5. Precalculus. Determine if Odd, Even, or Neither f (x)=x. Step 1. Find . Tap for more steps... Find by substituting for all occurrence of in . Remove parentheses. Step 2.y to the 12th power should have been written as the cube of y to the 4th power, so that the index and the exponent are the same. The cube root of y to the 12th power is y to the 4th power.In today’s digital age, the need to convert multiple JPG files into a single PDF document is becoming increasingly common. One of the easiest and most convenient ways to convert mu...Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-stepWhat is the simplest form of mc001-1.jpg D The gravitational force formula is mc001-1.jpg where F is the force between two objects, G is the constant of gravitation, m1 is the …College Algebra. 1st Edition • ISBN: 9781938168383 (1 more) Jay Abramson, OpenStax. 4,642 solutions. 1 / 4. Find step-by-step College algebra solutions and your answer to the following textbook question: Simplify each power of i..A fraction is considered simplified if there are no common factors, other than 1, in its numerator and denominator. For example, 2 3 2 3 is simplified because there are no common factors of 2 and 3. 3. 10 15 10 15 is not simplified because 5 is a common factor of 10 and 15. 15. We simplify, or reduce, a fraction by removing the common factors of the …A. B. Study with Quizlet and memorize flashcards containing terms like To multiply two fractions, multiply the numerator by the ____ and the denominator by the ____, Find the products in simplest form. 8/21 x 5/16 12/25 x 15/16, To divide two fractions, first rewrite the problem as the dividend times the ____ of the divisor. and more.The steps he could have used instead to simplify the expression (5 Superscript 4 Baseline) cubed Hence, the correct option is A. What is simplification of an expression? Usually, simplification involves proceeding with the pending operations in the expression. Simplification usually involves making the expression simple and easy to …Hence, the order of steps needed to simplify this expression is. Step 1. Step4. Step3. Step2. What is the simplification? Simplification is reducing the expression/fraction/problem in a simpler form. It makes the problem easy with calculations and solving. Here given expression is. Step 1:-Simplify the parenthesis. Step 2:- …The solution to the system of equations x y = 1 and x - y = - 7 is (- 3, 4) This solution is NOT a solution to which me ayudan a entender bn Let f be the function given by f(x)= 2 cos x + 1.Indices Commodities Currencies StocksSimplify i^82. Step 1. Rewrite as . Tap for more steps... Step 1.1. Factor out . Step 1.2. Rewrite as . Step 2. Rewrite as . Tap for more steps... Step 2.1. Rewrite as . Step 2.2. Rewrite as . Step 2.3. Raise to the power of . Step 3. One to any power is one. Step 4. Multiply by . Step 5.Exercises. 1. Evaluate by performing the addition first: 2. Evaluate by performing the subtraction first: When we evaluate an expression, we want to have a single correct answer. It isn’t very helpful for the answer to be “maybe 7, or maybe 13”. Mathematicians have decided on an order of operations, which tells us which steps should be ...Step 1: Enter the expression you want to simplify into the editor. The simplification calculator allows you to take a simple or complex expression and simplify and reduce …Simplify each power of i. i^1001The steps he could have used instead to simplify the expression (5 Superscript 4 Baseline) cubed Hence, the correct option is A. What is simplification of an expression? Usually, simplification involves proceeding with the pending operations in the expression .Furthermore, expressions are a mathematical relationship that doesn't have an equality symbol. Examples of Expressions. 3x². 4x + y. 5x/y. x-3y². The word equivalent implies equal, so the expressions are equivalent, which means that they are equal. Given the expressions 2 (x - 5) + 1 and 2x - 9 These two expressions are equivalent or equal.Algebra Examples. Rewrite i15 i 15 as (i4)3(i2 ⋅i) ( i 4) 3 ( i 2 ⋅ i). Tap for more steps... Rewrite i4 i 4 as 1 1. Tap for more steps... One to any power is one. Multiply i2 ⋅i i 2 ⋅ i by 1 1. Rewrite i2 i 2 as −1 - 1. Rewrite −1i - 1 i as −i - i.Jan 17, 2022 · Simplify. Explain. heart outlined ... Identify the reference angle es001-1. Jpg for each given angle, es001-2. Jpg. Es001-3. Jpg degrees. Es002-1. Jpg degrees. Es003-1. Simplify the expression using logarithmic and exponential properties. The property e ln x = x e^{\ln x} = x e l n x = x can be used to simplify the numerator. Also, since ln e = 1 \ln e = 1 ln e = 1 (because e is the base of the natural logarithm), this can be used to simplify the denominatori^6. -1. i^10. -1. i^99. -i. i^45. i. Study with Quizlet and memorize flashcards containing terms like i^40, i^80, i^195 and more.Nov 17, 2020 · The Steps to simplifying the 4 + x² - 2 [1 -2x³ + 2x² + 13x - 3 /( x - 3)] are: Step 1: Find the quotient. Step 2: Subtract the result from 1. Step 3: Multiply the result by –2. Step 4: Add the result to 4 + x². What is Algebra? A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them. Step by Step Solution. Reformatting the input : Changes made to your input should not affect the solution: (1): "s0" was replaced by "s^0". (2): Dot was discarded near "1.j". …Through a worked example involving f (x)=√ (x²-1) and g (x)=x/ (1+x), learn about function composition: the process of combining two functions to create a new function. This involves replacing the input of one function with the output of another function. Also note that the composition of two functions is typically not the same as their ...Final answer: The composition of two functions (f ∘ g)(x) means to substitute g(x) into f(x).With the information given in the question, none of the options - A. f(x) + g(x), B. f(x) * g(x), C. g(x) - f(x), D. f(x) / g(x) - is the correct composite of f and g.Solution - Simplification or other simple results. e s 27 − j p g. es^27-jpg. Other Ways to Solve. Simplification or other simple results. Step by Step Solution. Reformatting the input : Changes made to your input should not affect the solution: (1): "s0" was replaced by "s^0".A. B. Study with Quizlet and memorize flashcards containing terms like To multiply two fractions, multiply the numerator by the ____ and the denominator by the ____, Find the products in simplest form. 8/21 x 5/16 12/25 x 15/16, To divide two fractions, first rewrite the problem as the dividend times the ____ of the divisor. and more.Expert-Verified Answer. question. 40 people found it helpful. MrRoyal. The reference angle is the smallest angle between the terminal side and the x-axis. 300 degrees is in the 4th …Complete the steps to solve the equation 4e2 + 2x = x − 3 by graphing. Write a system of equations. y = 4e2 + 2x and y =. Graph the system. Use the graphing calculator to graph each equation. Identify the solutions. The of the points where the graphs of the equations intersect are the solutions to the original equation.Complete the multiplication to eliminate the denominators. The resulting equation is. (x - 2) (x + 2) - 3x = (x - 2) (x - 3) Simplifying each side of the equation results in x2 − 3x − 4 = x2 − 5x + 6. Find the solution: (x + 2/3x) − (1/x − 2) = (x − 3/3x) x = 5. Solve the rational equation by multiplying both sides by the LCD.Hence, the order of steps needed to simplify this expression is. Step 1. Step4. Step3. Step2. What is the simplification? Simplification is reducing the expression/fraction/problem in a simpler form. It makes the problem easy with calculations and solving. Here given expression is. Step 1:-Simplify the parenthesis. Step 2:- …Es001-1.jpg a = b = c = - 24826521. vinaysingh9383 vinaysingh9383 06.10.2020 Math Secondary School answered ... (Simplifying Products and Quotients of Powers) All real numbers x, except x = 0. Identify the vertical asymptote of the function. f (x)= x^2 + 1/ 3 (x-8) 8. What are the vertical asymptotes of f (x)= 10/x^2 - 1. 1, -1. Wavelength varies inversely with frequency. Let k be the product of wavelength and frequency. Complete the table using the inverse variation relationship. What is the simplest form of mc001-1.jpg. (A) sqrt 2. Which expression should you multiply the numerator and denominator of mc001-1.jpg by to rationalize the denominator? C. What is mc002-1.jpg in simplest form? A. What is the simplest form of mc001-1.jpg. D. The gravitational force formula is mc001-1.jpg where F is the force between two ... Step 1: Enter the expression you want to simplify into the editor. The simplification calculator allows you to take a simple or complex expression and simplify and reduce the expression to it's simplest form. The calculator works for both numbers and expressions containing variables. Step 2: Click the blue arrow to submit and see the result! Personal 1-on-1 Live Tutoring with our dedicated Certified Experts. dot. Rich Study materials making learning fun with 10k+ Games, Videos and Worksheets ... Simplify the expression: (–1 + 4n)(–3) = The question is in the image. Question can be found in the image. chevron left. Previous. chevron right. Next. Ask your question. plus. Simplifying Powers of i. Step 1: Rewrite the power of i using the power of a power, and the product properties of exponents to write the expression using terms of i 2 = − 1, and i 4 = ( i 2) 2 ... A JPG file is one of the most common compressed image file types and is often created by digital cameras. At times, you may need to convert a JPG image to another type of format. Y...Simplify each power of i. i^1001We will simplify, add, subtract, multiply, divide and use them in applications. Determine the Values for Which a Rational Expression is Undefined. If the denominator is zero, the rational expression is undefined. The numerator of a rational expression may be 0—but not the denominator. When we work with a numerical fraction, it is easy to avoid dividing …Simplify i^15. Step 1. Rewrite as . Tap for more steps... Step 1.1. Factor out . Step 1.2. Rewrite as . Step 1.3. Factor out . Step 2. Rewrite as . Tap for more steps... Step 2.1. Rewrite as . Step 2.2. Rewrite as . Step 2.3. Raise to the power of . Step 3. One to any power is one. Step 4. Multiply by . Step 5.Jan 4, 2022 · Simplify. Explain. heart outlined ... Identify the reference angle es001-1. Jpg for each given angle, es001-2. Jpg. Es001-3. Jpg degrees. Es002-1. Jpg degrees. Es003-1.
y to the 12th power should have been written as the cube of y to the 4th power, so that the index and the exponent are the same. The cube root of y to the 12th power is y to the 4th power.. Grandes culos y tetas
1. Equations & Inequalities. Complex Numbers. Next problem. College Algebra 1. Equations & Inequalities Complex Numbers. 3:02 minutes. Problem 100. Textbook Question. Textbook Question. Simplify each power of i. 1/i^-12. Verified Solution. 3m. Play a video: This video solution was recommended by our tutors as helpful for the problem above. 65 ...3a + 2 − 6aa2 − 4 = 1a − 2. The students is incorrect. There are no solutions to this equation because first, you would find the LCD which is (a2) (a2). Next, you would simplify making 3 (a2)6aa2. Then, you would expand making 3a6a2. The next step is adding 6 to both sides. Soon, you get 4a/4 which equals 8/4. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Jan 26, 2018 · This relationship is established due to the fact that a full circle (or one revolution) encompasses 360° or 2π radians. Hence, to convert from radians to degrees, the formula is (number of radians) * (180/π). For instance, if you have 2 radians and you want to convert it to degrees, the calculation would be as follows: 2 * (180/π) = roughly ... Jan 4, 2022 · Simplify. Explain. heart outlined ... Identify the reference angle es001-1. Jpg for each given angle, es001-2. Jpg. Es001-3. Jpg degrees. Es002-1. Jpg degrees. Es003-1. Simplifying Powers of i. Step 1: Rewrite the power of i using the power of a power, and the product properties of exponents to write the expression using terms of i 2 = − 1, and i 4 = ( i 2) 2 ... Select all of the expressions that are equal to the product of 10x^9 and (60x^-6)^-1. Assume x ≠ 0. A: 10x^9/60x^-6. C: x^15/6. Javier simplified the expression below. Find and describe the three mistakes he made. 1) Javier did not raise the coefficients to the third power. 2) when Javier raised x to the third power, he wrote that (x^1)^3=x^4 ...Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.The Steps to simplifying the 4 + x² - 2 [1 -2x³ + 2x² + 13x - 3 /( x - 3)] are: Step 1: Find the quotient. Step 2: Subtract the result from 1. Step 3: Multiply the result by –2. Step 4: Add the result to 4 + x². What is Algebra? A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.Final answer: The composition of two functions (f ∘ g)(x) means to substitute g(x) into f(x).With the information given in the question, none of the options - A. f(x) + g(x), B. f(x) * g(x), C. g(x) - f(x), D. f(x) / g(x) - is the correct composite of f and g.All real numbers x, except x = 0. Identify the vertical asymptote of the function. f (x)= x^2 + 1/ 3 (x-8) 8. What are the vertical asymptotes of f (x)= 10/x^2 - 1. 1, -1. Wavelength varies inversely with frequency. Let k be the product of wavelength and frequency. Complete the table using the inverse variation relationship.The reference angle is the smallest angle between the terminal side and the x-axis. 300 degrees is in the 4th quadrant. So, the reference angle is. Hence, the reference angle of 300 degrees is 60 degrees. 225 degrees is in the 3rd quadrant.To check the transformation rule, substitute the values of the coordinates (4, 5) into the rule. You get (4, 5) → (4+4, 5+7). Simplify to get (4, 5) → (8, 12). This is the …How to solve your equation. To solve your equation using the Equation Solver, type in your equation like x+4=5. The solver will then show you the steps to help you learn how to solve it on your own.Identify the reference angle es001-1. Jpg for each given angle, es001-2. Jpg. Es001-3. Jpg degrees. Es002-1. Jpg degrees. Es003-1. Jpg degrees.Water is sometimes removed from the products of a reaction by placing the products in a closed container with excess P4O10. Water is absorbed by the following reaction. P4O10 + 6H2O es001-1.jpg 4H3PO4 What is the mole ratio of water to H3PO4? Do not simplify the ratio. Hes001-2.jpgO:Hes001-3.jpgPOes001-4.jpg = :4Q: When making deductible and nondeductible contributions to a traditional IRA, must I use different investments? For example, does a $3,500 deductible contribution have to…....