Questions in Grade High-school

Questions in Grade High-school

[Free] a) Solve [tex]4(y - 7) = 13[/tex]. b) Make [tex]t[/tex] the subject of the formula [tex]P = 4t - 3[/tex].

[Free] Solve, by factorizing, the equation: \[8x^2 - 30x - 27 = 0\]

[Free] What is 20.4 in tenths?

[Free] Name two methods that can be used to break down compounds into simpler substances.

[Free] Which scientific or technological advance did not take place in the first fifteen years of the twentieth century? A. Albert Einstein's theory of relativity B. Wireless communication across the Atlantic C. The creation of the internet D. The invention of the airplane E. The mass production of cars

[Free] Describe a disadvantage of marsupial development.

[Free] Suppose that a chemist is mixing two acid solutions, one with a 15% concentration and the other with a 25% concentration. Which of the following concentrations cannot be achieved by combining these solutions? A. 17% B. 20% C. 23% D. 29%

[Free] What is the decimal and percent of \(\frac{8}{8}\)?

[Free] Solve the equation using the Quadratic Formula: \[81x^2 - 9 = 0\]

[Free] The invention of agriculture A. led to an increased birth rate and death rate. B. provided a more dependable food supply. C. allowed people to settle down in villages. D. all of the above