Questions in mathematics

Questions in mathematics

[Terjawab] When a number is written in scientific notation, how can you tell right away whether or not it is greater than or equal to 1?

[Terjawab] Choose the numerical expression that represents the sum of 82,510 and 74,916, multiplied by 16.

[Terjawab] The price of a satellite radio at Store A is [tex]\frac{29}{30}[/tex] the price at Store B. The price at Store A is $150.80. Write and solve an equation to find the price of the satellite radio at Store B. How much do you save by buying the satellite radio at Store A?

[Terjawab] Frank owns an entire city block, which is a perfectly square piece of land. One corner of the block is at the intersection of Slauson Ave. and Carmelita. Due to development in the area, the city of Huntington Park wants to widen Slauson Ave. by 3 feet by shrinking Frank's block. However, the city offers to compensate Frank by adding 3 feet to the Carmelita side of his property. Is this a fair deal?

[Terjawab] A rectangular bumper sticker is 3 inches long. It is 4 times as wide as it is long. Draw a diagram of the bumper sticker and label its dimensions.

[Terjawab] In a school, \(\frac{3}{4}\) of the students are girls, and the rest are boys. \(\frac{2}{3}\) of the girls and \(\frac{1}{2}\) of the boys attended the school carnival. Find the total number of students in the school if 330 students did not attend the carnival.

[Terjawab] Calculate 60% of the product of \(\frac{1}{12}y\) and \(\frac{2}{3}z\).

[Terjawab] In preparation for a wedding, Aidan bought 60 candles at $0.37 each. His sister bought 170 candles at the same price. How much more money, in dollars, did Aidan's sister spend compared to Aidan?

[Terjawab] Describe how to use mental math to determine if a ratio is simplified.

[Terjawab] A rescue helicopter flew from its home base for 35 kilometers on a course of 330 degrees to pick up an accident victim. It then flew 25 kilometers on a course of 90 degrees to the hospital. What distance and on what course will the helicopter fly to return directly to its home base?