Quando o Ângulo de elevação do sol e de 70 a sombra de um edifício medes 20 cm calcule a altura do edifício

dados : sen 70=0,93 cos 70=0,3 e tg70=2,74?

Larry and Willa are each reading the same book. Larry has read 2/3 of the book. Willa said that she has read 4/6 of the book, so she read more. Is Willa correct? Explain.

Using the tax table, determine the amount of taxes for the following situations: (Do not round intermediate calculations. Round your answers to 2 decimal places.) a. A head of household with taxable income of $58,500. b.

In order to estimate the average electric usage per month, a sample of n = 81 houses was selected, and the electric usage was determined. (a) Assume a population standard deviation of 450-kilowatt hours. Determine the standard error of the mean.

The market value of Christine and genes home is 275,000 the assessed value is 230,000 the annual property tax rate is 17.50 per $1,000 Us in value what is the property tax on their home

Y=-2x - 2 y=7x - 20 Solve each by substitution

What is the slope of x+8/4=y

Solve each proportion 2x/7+12/14

William is building a scale model of a Boeing 747-400 aircraft. The wingspan of the model is approximately 8 feet inches. If the scale factor of the model is approximately 1:24, what is the actual wingspan of a Boeing 747-400 aircraft?

Aivree wants to accumulate great wealth but she invests all of her funds in U. S. Treasury bills because she wants to avoid the potential losses she knows can occur in the stock markets. Aivree best illustrates which one of these characteristics?

Explain how to solve W/26=35. Then solve