The hydronium ion concentration can be found from the pH by the reverse of the mathematical operation employed to find the pH. This makes absolutley no sense I plug all this into my calculator but I get different results. also: if f is the antiderivate of (x^2)/(1+x^5 such that f(1)=o then f(4)=? How would i find the integral of that? i don't even know what the first step is to get the answer.įor my homework I have to graph 4 equations: 1. How do you calculate the instantaneous rate of change. Give the coordinates of the x-intercept your calculator has given you to the nearest thousandth. Your calculator gives an answer of x=1.1578074156, y=2E-13 when using ROOT or ZERO in the graphing mode. The school was the able to get three extra calculators for the same amount of money. The supplier agreed to offer a discount of Ksh 60 per calculator. Can you tell me what I'm doing wrong?Ī school planned to buy x calculators for a total cost of Ksh 16200. The answer is supposed to be (-4 and 4) but the calculator comes up with (ERR: NO SIGN CHNG). I am using a TI-83 calculator to find all the solutions to the quadratic equation (5x(Squared) - 80 = 0)by graphing. If Mary inspects every sixth calculator and Nancy inspects every fifth calculator, which calculator will be the first that they both inspect? If the student guesses all ten questions, find the probability he gets 7 or 8 right. 4 points Based onĪ student takes a true-false test exam with 10 questions. If a calculator is randomly selected, find the probability that the calculator has a life span of.
The life span of a calculator has a normal distribution with a mean of 60 months and a standard deviation of 5 months. How much will you pay for the calculator? a. so i put it in a graphing calculator online and now i understand what i am supposed to write or do can someone please help Use a graphing calculator to solve the equation -3 cos t = 1 in the interval from 0 ≤ θ ≤ 2π Round to the nearest hundredth. Make sure that your calculator is in the correct angle mode. Use a calculator to evaluate the trigonometric function. What answer does mny calculator compute for the expression ((7-10)+3)-5? Thank you! The "+" key works correctly,but whenever I try to compute a-b, the calculator performs b-a instead. What is the vertical component of the golf ball's initial velocity? a)8.6 m/s b)9.8 m/s c)12 m/s d)15 m/s I know you use 15cos 35 feta to If the calculator cost $24, how much money did he have left?Ī golf ball is hit with an initial velocity of 15 meters per second at an angle of 35 degrees above the horizontal. The calculator cost 3 times as much as the pen. John spent 2/3 of his money on a pen and a calculator. Use your calculator to find cos−1(0.76) to the nearest degree. Hydronium = 10-pH or = antilog (- pH) and I got 1.00 x 10^7.3 for both concentrations is this correct? ABsolutely silly. I don’t have a graphing calculator so can I please have some help with this question? Thank you in advance!Ĭalculate the hydronium ion consentration and the hydroxide concentration in blood in which the PH is 7.3. Use your graphing calculator to evaluate to three decimal places the value of ∫ 0.5 to 3 ((sinx)/x)dx. write a polynomial that represents the area of the calculator.
the length of the calculator is twice the width. The width of a calculator can be represented by (3x+1) inches. Use a calculator to find the anti-ln(-0.049) to the nearest ten thousandth. I don't think we are allowed to use a calculator but I'm not 100% sure on that either.
Ti 84 calculator online statistics q1 how to#
I am not sure how to approach this without a calculator. 3.43 don't know how to do this on the calculator please help.Īpproximate e^-0.6 to 3 decimal places. Use your calculator to find the trigonometric ratio tan75°. How much does a pack of notrbooks cost if a calculator costs $45.87 Tony spent $60.54 and bought 3 packs of notebooks and a calculator. Calculate the value of the following without the use of a calculator 11-3
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