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MATH SOLVE
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A cell phone company wants to know if an urbanization of 150 families needs an antenna to improve the cell phone signal in the area. For this, 25 families are surveyed about the number of cell phones they use. Identifies the population, sample, variable, and type of variable.
General
8 months ago
A document that expires on June 24, 2022, is sold on March 4 of the same year for $1,846. If the exchange house applies a discount rate of 18%, the nominal value of the document, written in integers, is:
General
8 months ago
I want to know if it is true or false If the compounding is annual; for periods less than one year, the simple amount is less than the compound amount
General
8 months ago
Four months ago, Máximo Martínez received a loan of $4,346 at an annual rate of 15% and for a term of six months. On this day, he negotiates said debt and agrees to cancel it through two equal payments: the first to be made within a month and the second within four months. If you renegotiate a 12% annual rate; the nominal value, written in integers, of each of the two new documents, is:
General
8 months ago
150.20 minus 12.50
General
8 months ago
A ball is dropped from 5m of height with no initial speed. With each bounce, the ball reaches 3/4 of the last height. Please theoretically find the total distance of the ball
General
8 months ago
Do a payroll accuracy calculation with the information provided below: o Total Number of Payroll entries = 7,506 o Payroll Accurate entries = 7,430 o Payroll Incorrect entries = 41 o Payroll entries not processed = 35
General
8 months ago
Given the function f(x) = 2x+4, the domain {2, 3, 4}, the range composed of integers between -2 and 20, the image set will be: After performing the calculation, mark the correct alternative: ( A) {1, 2, 3} (B) {8, 10, 12} (C) {10, 11, 12} (D) {4, 5, 8}
General
8 months ago
The value of x that satisfies the equation below indicates the amount of meals that Bruno ate in a day. Therefore, solve the following equation: 3x - 27 = 0. (I need the solution to this question)
General
8 months ago
A survey company has introduced a more modern way of conducting surveys online, and the company wants to test its effectiveness. The numbers of the surveys carried out in a week by a random sample of agents are: 47 53 50 49 56 53 60 54 58 67 59 60 57 58 55 53 48 62 65 51 Note: The calculations obtained from the sample must be worked to 4 decimal places. (a) (7pts) Define the random variable of interest involved (b) (31pts) With a significance level of 10%, it can be concluded that the average number of surveys carried out by the agents is greater than 53 surveys per week. (c) (31pts) With a significance level of 5%, it can be concluded that the variance of the surveys carried out by the agents is different from 14 (surveys per week)2 (d) (31pts) With a significance level of 1%, it can be concluded that less than 30% of the agents carry out more than 59 surveys per week
General
8 months ago
Calculate the change in the internal energy of the system for a process in which the system absorbs 140J of heat from the surroundings and does 85J of work on the surroundings.
General
8 months ago
Find 10° of the first terms 1/2,1,3/2
General
8 months ago
X-4y=-12
General
8 months ago
the second and fifth of a sequence are 13.44 and 5.67 respectivley. the serires has first term and a common ratio r. what is the sum of infinity of the series
General
8 months ago
Determine the value of the following expression 7/8-5/6=
General
8 months ago
You want to estimate how many fish there are in a pond. Suppose you capture 290 fish, tag them, and throw them back into the pond. After a couple of days, you go back to the pond and capture 580 fish, of which 29 are tagged.
General
8 months ago
|3x-1|-3=x
General
8 months ago
= (18x2-13x+5)+ (-4x2+5x+24)
General
8 months ago
A life insurance beneficiary would receive $3,100 per month for 10 years, although he prefers to receive the full equivalent at the beginning of the term. How much will they give you if the money yields an average of 8.35% per year compounded by months?
General
8 months ago
A $50,000, 82-day Province of Ontario T-bill was issued 34 days ago. What will the T-bill sell at today, in order to yield the purchaser a simple interest rate of 2.25% p.a.?
General
8 months ago
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