You have 12 coins, one of which is fake. The fake coin is indistinguishable from the rest except that it is heavier. Can you determine which is the fake coin heavier using a balance scale and only 3 weighings? Question solved general 11 months ago 3302
how many triangles can be constructed with angles measuring 25 degree, 25, degree and 130A) NoneB) OneC) More than one Question solved general 11 months ago 3226
How many triangles can be constructed with angles measuring 90 degree, 60 degree, and 60 degree? A) OneB) More than one C) None Question solved general 11 months ago 8568
What is the slant height x of this square pyramid?Enter your answer in the box. Express your answer in radical form.x = ___ mPlease explain how you solved it. Question solved general 11 months ago 4205
Jenny invests $20,000 in an account earning 4.5% interest, compounded annually. Cam invests $20,000 in an account earning 6.5% interest, compounded annually. Given that no additional deposits are made, compare the balances of the two accounts after 5 years. (round to the nearest dollar)A) Cam has $2,082 more in his account than Jenny. B) Jenny has $2,082 more in her account than Cam. C) Cam has $2,478 more in his account than Jenny. D) Jenny has $2,478 more in her account than Cam. Question solved general 11 months ago 1471
Find the point on the plane ax + by + cz = d at minimum distance from the origin using the method of lagrange multipliers. Question solved general 11 months ago 2506
In two or more complete sentences, describe the difference between an infinite series and a finite series. Part 2.] In two or more complete sentences, explain why the following sequence is an example of a finite series. 2 + 4 + 8 + 16 + ... 256 Part 3.] In two or more complete sentences describe why the following series is an example of an infinite series. 1 + 2 + 3 + 4 + 5 + ... Part 4.] The first picture Part 5.] Express the series in summation notation. 2 + 4 + 6 + 8 + 10 + 12 Part 6.] Suppose you start an annuity where you invest $2,000 at the beginning of each year and 4% interest is paid at the end of the year. What is the value of the annuity at the end of 5 years, rounded to the nearest dollar? It is $____ Part 7.] Find the sum picture Question solved general 11 months ago 5347
Bianca is a stockbroker. Her earnings are based on a graduated commission. She receives 3% on any stock sale up to $100,000 and 5% for any amount over the $100,000. Last Saturday she sold $110,000 worth of stocks. How much did she make selling the stocks? A. $3700 B. $3000 C. $5000 D. $3500 Question solved general 11 months ago 2045
the length of a rug is 6 ft more than the width. the area is 40^2 ft. find the length and width of the rug. Question solved general 11 months ago 2509
Directions: Select all the correct answers. Which of the situations correspond to the equation below? 0.35 ( t + $850) = $339.50 A.) Monica read in the paper that the Formal Gown Warehouse is offering 35% of the cost of a gown toward a pair of dress shoes. The gown that Monica wants cost $850.00 and the shoes that go with the dress are also on sale for t, which would give her a total savings of $339.50. B.) Chase donated t to the school's fundraiser, which put their fundraising total at $339.50 or 35% of their goal target of $850. C.) Rainy's neighbor was having a new fence installed and asked her to pay 35% of the cost based on the portion of the fence that ran between their houses. He asked her for $339.50 to cover $850.00 worth of materials plus labor costs, t. D.) Manuel received a 35% discount for a savings of $339.50 by purchasing a set of four tires at $212.50 each plus a road hazard warranty for t. E.) After paying t toward her tuition, Julie still owed 35% of her total tuition of $850.00, leaving an amount due of $339.50. Question solved general 11 months ago 9873
There are 7 women and 5 men in a department. four people are needed for a committee.a.in how many ways can a committee of 4 people be selected?b.in how many ways can this committee be selected if there must be exactly 2 men and 2 women on the committee?c.in how many ways can this committee be selected if there must be at least 2 women on the committee? Question solved general 11 months ago 8328
HELP PLEASE Write the inequality that models the number granola bars (12) you need to buy. Question solved general 11 months ago 4786
The students in Mr. Sanchez's class are converting distances measured in miles to kilometers. To estimate the number of kilometers, Abby takes the number of miles, doubles it, then subtracts 20% of the result. Renato first divides the number of miles by 5, then multiplies the result by 8.a) Write an algebraic expression for each methodb) Use your answer to part (a) to decide if the two methods give the same answer. Question solved general 11 months ago 6371
1. A spinner has red, green, blue, and yellow. The probability of spinning a red is 0.4, the probability of spinning a blue is 0.05 and the probability of spinning a yellow is 0.25. What is the probability of spinning a green? 2. Miguel entered a contest offering prizes to the top 3 finishers. The probability of winning 1st is 12%, the probability of winning 2nd is 18% and probability of winning 3rd is 20%. What is the probability that Miguel will not win any prize?3. The odds of winning a contest are 1:50. What is the probability of winning the contest?4. The odds against a spinner landing on yellow are 3:1. What is the probability the spinner will not land on yellow? 5. The probability of a thunderstorm is 80%. What are the odds that there will be a thunderstorm?6. The odds of selecting a red card from a box of cards are 2:5. What is the probability of not selecting a red card from a box? Question solved general 11 months ago 7989
A cylindrical container of four rubber balls has a height of 20 centimeters and a diameter of 5 centimeters. Each ball in the container has a radius of 2.5 centimeters. Find the amount of space in the container that is not occupied by rubber balls. Round your answer to the nearest whole number. Question solved general 11 months ago 4159
Holly wrote the statement polygon RSTUV is regular if it has congruent sides and congruent angles which statements are true regarding her work check all that apply Question solved general 11 months ago 9552
The weight needed to balance a lever varies inversely with the distance from the fulcrum to the weight. A 120-lb weight is placed on a lever, 5 ft from the fulcrum. What amount of weight should be placed 8 foot from the fulcrum to be balanced.A). 120B). 75C). 8D). 125i think, not 100% sure, like 90% sure, it's B. 75. Question solved general 11 months ago 7970
The manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption is mound-shaped and symmetric with a mean of 24.6 mpg and a standard deviation of 11.2 mpg. if 30 such cars are tested, what is the probability the average mpg achieved by these 30 cars will be greater than 27 Question solved general 11 months ago 7315
Match the new coordinates that define the figure after dilation with a center at the origin by the given scale factor.List of new coordinates: (0, 6) , (0, 4/3) , (1, 0) , (1, 4/3) , (6, 0) , (4/3, 0) , (9/2, 0) , (9/2, 6) Scale factor 1/3: (List all coordinates under scale factor 1/3)Scale Factor 3/2:(List all coordinates under scale factor 3/2)Point NOT USED:(List all coordinates under Point NOT USED if they couldn't be used) [PLEASE ANSWER CORRECTLY!] Question solved general 11 months ago 2817