On an uphill hike, Ted climbs at a rate of 3 miles an hour. Going down, he runs at a rate of 5 miles an hour. If it takes him 40 minutes longer to climb up than run down, what is the total length of Ted's hike? Question solved general 8 months ago 3445
Heather and Joel are setting up a new budget. They have decided that the ratio of spending to saving needs to be 5:2. They have added up all of their bills for last month and see that they spent a total of $4,231. They also see that they put $2538.60 in their savings account for the month. What was their actual ratio of spending to savings last month Question solved general 8 months ago 9100
Azul used a number cube with the numbers 1–6 in a simulation. He signed 1–4 as a favorable outcome and 5–6 as the unfavorable outcome. What situation could this represent?A. According to the records from the last 50 years, there is a 1/4 chances of August temperatures being above 95°F. Azul needs to find the probability that it will be above 95°F for 10 or more days this August.B. According to records from the last 50 years, there is a 16 chance of September temperatures being above 75°F. Azul needs to find the probability that it will be about 75°F for 4 or more days this September.C. According to records from the last 50 years, there is a 5/6 chance of April temperatures being above 70°F. Azul needs to find the probability that it will be above 70°F for 15 or more days this April.D. According to records from the last 50 years, there is a 2/3 chance of June temperatures being above 80°F. Azul needs to find the probability that it will be above 80° F for 20 or more days this June. Question solved general 8 months ago 4775
Greg needs to buy plastic spoons. Brand A has a box of 25 spoons for $1.99 . Brand B has a box of 42 spoons for $3.89 . Find the unit price for each brand. Then state which brand is the better buy based on the unit price. Round your answers to the nearest cent. Question solved general 8 months ago 3046
What is NOT true about a hypotenuse?The sum of the two leg measures equals the hypotenuse.It is the side opposite the right angle.The measure of the hypotenuse squared is equal to the sum of the side measures squared.It is the longest side of the triangle. Question solved general 8 months ago 5499
Peter is at a lumber yard. He gets 2 free boxes of nails for every 10 boards he buys. Write an expression for the number of boxes of nails Peter will get if he buys n boards. If each box has 100 nails, explain how to write an expression to find how many nails Peter will have if he purchases 90 boards. Question solved general 8 months ago 6582
Solve the system of equations. −5x+4y=3x=2y−15x equals y equals Question solved general 8 months ago 9197
When writing twenty-one-and-a-half-trillion in scientific notation, what is the exponent needed on the base ten?I also need an explanation on how to find this! Question solved general 8 months ago 9835
Been a while since I’ve needed to not use a calculator. Why is -2X10^-18 (3/16) = 4.09X10^-19? Question solved general 8 months ago 7179
what is the equation, in standard form, of a parabola that contains the following points? ( -2, -23.5)(0,-4.5)(4,-26.5) Question solved general 8 months ago 9437
which matrix represents the system of equations below? { -2x-7y=3 7x-6y=12 Question solved general 8 months ago 5227
11. Find the surface area of each figure. Leave the answers in pi where applicable. Show work14. Find the surface area of each figure. Leave the answers in pi where applicable. Show work19. Find the surface area of each figure. Round to the nearest tenth. Show work23. Find the volume. Round to the nearest tenth if necessary. Show work29. What is the volume of a sphere with a surface area of 452.39 cm2? Round your answer to the nearest hundredth. Show work Question solved general 8 months ago 6358
What is the probability of tossing two coins and having them both land on heads? 33.3% 25% 50% 75% Question solved general 8 months ago 9428
Mon poured 100 kilograms of water into 10 kg of salt. He made ___ kilograms of ___% salt solution. Question solved general 8 months ago 1786
Write the equation of a line that is perpendicular to y=7/5x+6 and that passes through the point (2,-6) Question solved general 8 months ago 2108
In the diagram a || b. Use the diagram to answer the question. (Diagram not to scale.) Name the alternate interior angle to 7. A. 1 B. 2 C. 6 D. 4 Question solved general 8 months ago 2566
the following steps are used to rewrite the polynomial expression (x+4y+z)(x-7y) Question solved general 8 months ago 2135
The amount of interest earned on an account can be represented using the recursive formula an = 1.02(an-1). If a1 = 255.00, and n represents the number of months the money is invested, what is the balance at the end of each month for the first three months? A) 255.00, 260.10, 265.30 B) 255.00, 260.10, 265.20C) 255.00, 256.02, 257.04D) 255.00, 250.00, 245.10 Question solved general 8 months ago 2356