Starting at sea level, a submarine descended at a constant rate to a depth of − 4/5 mile relative to sea level in 3 minutes.What was the submarine's depth relative to sea level after the first minute? Question solved general 4 months ago 5665
kevin walked 3/4 of a mile in 12 minutes. assuming he walked at a constant speed the entire time, which expression can be used to determine the distance he walked each minute? Question solved general 4 months ago 3631
A cube has an edge length of 9 centimeters. If the side length is increased by a factor of 3, how much larger is the perimeter of a face of the new cube? Question solved general 4 months ago 5101
There is an average of 3.5×10−2 kilograms of dissolved salt in each liter of seawater. The Pacific Ocean contains approximately 6.6×1020 liters of seawater. About how many kilograms of dissolved salt are in the Pacific Ocean? Enter your answer, in scientific notation, in the boxes. ×× 10 kg Question solved general 4 months ago 3966
An investment is currently worth 2.125×104 dollars . Ten years ago, the investment was worth 1.25×103 dollars. How many times greater is the value of the investment today than the value of the investment ten years ago? A 0.17 B 1.7 C 17 D 170 Question solved general 4 months ago 9628
A 50-foot flagpole is at the entrance of a building that is 300 feet tall. If the length of the flagpoles shadow is 30 feet at a certain time of day, how long is the building's shadow at that time? Question solved general 4 months ago 1241
At an automobile factory, 1849 parts are made in 4 hours. What is the average rate at which parts are made per hour? Question solved general 4 months ago 8467
Use cos(t) and sin(t), with positive coefficients, to parametrize the intersection of the surfaces x^2+y^2=81 and z=5x^4. Question solved general 4 months ago 2447
suppose the correlation coefficient between the number of the college students in a city and the number of city buses is 0.89. which statement must be true? Question solved general 4 months ago 9042
the table shows the prices for different party toy packages from the Tomtown Toy Company.Which item costs the least per toy? Explain your reasoning Question solved general 4 months ago 7743
Find the solution of the square root of the quantity of x plus 3 plus 4 equals 6, and determine if it is an extraneous solution Question solved general 4 months ago 3881
What method can be used to write the equation of a line in slope-intercept form given two points? Question solved general 4 months ago 1989
Parallelogram MNPQ was dilated to create parallelogram M'N'P'Q'. Which statements are true about the parallelograms? Check all that apply.The length of side MN is 2 units.The length of side M'N' is 5 units.The image is smaller than the pre-image.Sides MQ and M'Q' both have the same slope, 1.The scale factor is 2/5 Question solved general 4 months ago 8606
A pile of coins, consisting of nickels, dimes, and quarters, is worth $4.55. There are 4 more dimes than nickels and 3 quarters more than dimes. How many of each are there? Question solved general 4 months ago 2705
Which equation shows how to find the product of 100,000 and 1,000,000 using scientific notation? Question solved general 4 months ago 4159
What are the x and y-intercepts of the line described by the equation?2x + 4y = 12.4Enter your answers, in decimal form, in the boxes.x-intercept = ____y-intercept = _____ Question solved general 4 months ago 8811
An investment is currently worth 1.035×108 dollars . Thirty years ago, the investment was worth 2.3×105 dollars. How many times greater is the value of the investment today than the value of the investment thirty years ago? A. 0.45 B.450 C.4500 D. 45,000 Question solved general 4 months ago 6694
Daniel is enrolling for a test prep class. The expression below represents the hourly charges, including the cost for the materials. $30x + $651. The constant of the expression represents the ___ A. cost of materials B. Cost per hour C. Number of hours 2. and the coefficient of x represents the__ A. Cost per hour B. cost of materials C. number of hours Question solved general 4 months ago 2787
Inductive reasoning involves developing a general rule from specific situations. True or false Question solved general 4 months ago 2318
What is the runner’s average rate of change between the hours: 0.5 and 2? mph 1.5 and 2.5? mph Average Rate of Change Question solved general 4 months ago 1204