Numerade

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True or false? if a_{n} = \sum_{k=1}{n} k^2, then a_{n+1}= \sum_{k=1}{n+1}

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You created a GR/IR account in this exercise. For what is GR/IR the abbreviation?

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Six more than the quotient of a number and 9 is equal to 2 .

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Combining the kinetics equations gives the following equation of motion (with equal to the length of the rod). Using this equation and given that and is constant, find the angular velocity of the rod when the angle of the rod is . Use . At time , the rod is released from rest from . Give your answer rounded to 2 decimal places and in units of .

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Section two: Calculation questions 3. A single-degree-undamped vibration system with a mass of 20 kg and a spring constant of 3000 N/m is subjected to the loading as shown in the figure. The initial displacement and velocity of the system are zero. (25%) (1) Determine the response of the system. (2) Calculate the displacement at $t = 2.5$ (s) f (force) f=50 (N) t=1

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Sierra weighs in before soccer practice at 138 pounds. During her practice, Sierra consumed approximately 12 ounces of water. After a 2 and a half hour practice, she weighs in at 134.5 pounds and feels very tired and lightheaded. 1. What are Sierra’s total fluid needs per hour? (make sure to show your work) 2. What fluid/fuel recommendations would you make to Sierra to help her stay properly hydrated and also alleviate symptoms of fatigue and lightheadedness at future practices and games?

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Let $z = x + iy$. Sketch the set of points determined by (a) $Re(z - 2i) = 3$ (b) $|\bar{z} + 2i| = 3$.

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Equipment Accounts payable Salaries expense Common stock Land Notes payable Service revenue Cash Retained earnings Required: Use only the appropriate accounts to prepare a balance sheet. GREYSON CONSTRUCTION Belence Sheet December 31 Assets Liabilities Total liabilities Stockholders' Equity Total stockholders' equity Total assets Total liabilities and stockholders' equity Accounts Balances $\text{19,000} $\text{1,600} $\text{26,000} $\text{12,000} $\text{11,000} $\text{13,000} $\text{32,000} $\text{4,600} ?

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If the ratio of the edges of two cubes is 36 : 98, what is the ratio of their surface areas? The ratio of their surface areas is

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NoDis Company produces smart watches. The company controller wants to calculate the fixed and variable costs associated with the maintenance cost incurred by the factory. Data for the past four months are as follows: Maintenance Machine cost hours June $5,000 350 July $3,000 320 August $4,000 315 September $3,300 220 Estimated coefficients from a regression of maintenance costs on machine hours are: Intercept 1,550 X Variable 8.5 1 Using the results of the regression, what is the estimated cost for maintenance next month assuming 250 machine hours are budgeted? ? $2,700 ? $4,225 ? $1,200 ? $3,675 ? None of the above

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joshua k.