Numerade

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Find the area of the sector of a circle having radius r and central angle $$\theta$$. r = 10.6 cm, $$\theta = \frac{\pi}{2}$$ The area is approximately $$\text{cm}^2$$. (Round to the nearest tenth.)

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Example of a giraffe’s neck illustrates ______ on a variety within a population. When food is scarce, longer necks have an advantage because they can feed off higher branches. They can survive and reproduce more effectively than shorter-necked ones and thus transmit their genetic material to future generations. Also known as “survival of the fittest” by Herbert Spencer.

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What is a seat in Congress that is reliably and consistently held by one party referred to as? a mandated seat a gerrymandered seat a safe seat a competitive district

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Calculate the pH at 25 °C of a 0.21M solution of sodium benzoate ($NaC_6H_5CO_2$). Note that benzoic acid ($HC_6H_5CO_2$) is a weak acid with a $pK_a$ of 4.20. Round your answer to 1 decimal place.

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A compressive force F = 30.5 kips is applied axially to a square rod of width a = 1.6 in and length L = 5 in. Calculate the normal stress σ in the square rod. Submit your answer in ksi. Hint: 1 kip = 1000 lbf. σ = F / (a * L) = 30.5 kips / (1.6 in * 5 in) = 30.5 kips / 8 in^2 = 3.8125 ksi

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Use reference angles to find the exact value of the following expression. Do not use a calculator.\\ $\sin (-150^\circ)$ \\ Determine the reference angle for $-150^\circ$. \\ The reference angle is $oxed{}$$^\circ$.

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A sample of gas is contained in a tube under a mercury plug. cool A B C The gas sample has a volume of 56.4 µL at 24.1 °C. What is the volume of the gas after the sample is cooled to 9.4 °C at constant pressure? V = µL Screenshot

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High positive income elasticity of demand for good X suggests lower chances of long-run prosperity compared with low income elasticity of good Y, which implies chronic problems. True or false?

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A firm's inventory turnover (IT) is 4 times on a cost of goods sold (COGS) of $400000. If the IT is Improved to 5 times while the COGS remains the same, a substantial amount of funds is released from or additionally invested in inventory. In fact, Select one: a. 40000 is released. b. 40000 is additionally invested. c. 160000 is additionally invested. d. 200000 is released. Check

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c. 0.85c 121 Speed of particle having momentum of 5MeV/c and total relativistic energy of 10MeV? a. c $\frac{1}{\sqrt{3}}$c b. 0.75c d. $\frac{1}{2}$c

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melanie w.