How much of amount is invested at nine percent
The total of $12,000 is invested in 2 funds paying 9% and 11% simple interest. If interest for first year is $1,180, how much of $12,000 is invested at 9%?
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Determine the bulk density, in units of g.mL-1, of a metal with an atomic mass of 80.0 g.mol-1. This metal has an FCC crystal structure with a unit cell dimension of a = 0.160 nm.
A random sample of 100 adults was chosen. 80 adults in the sample said they were non-smokers. Develop a 95 percent confidence interval for the population proportion, p, of non-smokers.
Discuss the efficiency of elution process to separate cations and anions in solutions which are having the Na, Cu, CrO4, & Cl and suggest how the separation can be improve?
The minimum energy required to knock an electron out of an atom of cesium is 3.43 x 10-19 J. Cesium metal is used in the photocells of automatic door openers.
Ben claims that the average price of the car wash in West Newton is more than $6.00. A sample of five car washes has average price of $6.60 and standard deviation of $1.10. At alpha = 0.05, test Ben's claim. What is the null hypothesis?
Write down the nuclear reaction of the bombardment of beryllium-9 by an alpha particle, producing the carbon 12 and a particle uranium239 can be produced by the bombardment of uranium 238.
A 0.8870-g sample of a mixture of KCl and NaCl is dissolved in the water, and the solution is then treated with an excess of AgNO3 to yield 1.822g of AgCl. Determine the percent by mass of each compound in the mixture
If melting ice to water at 0°C requires 6.01 kJ/mol, determine the fewest number of laser pulses need to melt 10.0 g of ice when a single pulse of a laser yields an average of 5.00 ×1018 photons with λ = 633 nm.
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Risky social support Another way in which the Internet can increase children's and adolescents' mental health problems is by fostering communication
When developing a grant proposal, it's important to set clear and measurable goals. One way to do this is by making sure your goals follow the SMARTIE system
Although the Internet can be a helpful outlet for some youth in terms of exploring their sexual identify (e.g., LBGT youth who live in small, conservative commu
Cyberbullying An additional risk of Internet communication is cyberbullying, which is when someone engages in behavior to hurt someone
Respond to at least two of your colleagues (one assigned to each of the other two disorders) on two different days and compare your assigned disorder
Its key advantage is high internal validity; its disadvantage is that randomization is often ethically or practically impossible.
Reflect: Briefly describe a personal belief or opinion you hold (e.g., a stance on a political issue, a preference for a certain type of media).