singitcorp
Calculators
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
singitcorp
singitcorp
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
MATH SOLVE
Home
Describe the error.Show or explain how to do the problem the right way.Give the correct answer.40 + 70 + ? = 360110 + ? = 360-110 -110? = 250 degrees
General
3 months ago
Solve for the unknown. Round decimals to hundredths and percents to the nearest tenth.850 increased by 40% = Sales at LL Boutique decreased 10% this month compared to last month. If sales this month were $175,581, what were the sales (in $) last month?Shareholders in an electronics company were informed that the company's market share increased from 4.5% to 5.4%, a rise of 0.9 percentage points. What percent increase in sales does this represent?
General
3 months ago
we have an uneven die with 8 faces with numbers 1 through 8. the probability of each number coming up is proportional to the number itself. for example the probability of 2 coming up is twice the probability of 1 coming up, and so on. find PMF of x
General
3 months ago
A salesperson travels from city A to city B and then to city C. From city C, the salesperson travels directly back to city Aas shown in the diagram below. Write the lengths of the legs of the trip in order from least to greatest.city
General
3 months ago
Solve for the base. Round to hundredths when necessary.What is the base if the rate is 16.7% and the portion is 456?Solve for the rate (as a %). Round to the nearest tenth of a percent when necessary.What is the rate if the base is 266 and the portion is 50?Solve for the unknown. Round decimals to hundredths and percents to the nearest tenth.If a number decreases from 88 to 33, what is the rate of decrease (as a %)?
General
3 months ago
(X^3-5x^2+4x+7 divided by x-1
General
3 months ago
A company currently has no items in inventory. The demand for the next four months is 200, 400, 250, and 350 units. Assuming a level production rate of 350 units per month, determine the ending inventory at the end of the fourth month. a.100 b.200 c.150 d.250
General
3 months ago
The worldwide market share for a web browser was 20.3% in a recent month. Suppose that a sample of 120 random students at a certain university finds that 30 use the browser. Complete parts (a) through (d) below. a. At the 0.05 level of significance, is there evidence that the market share for the web browser at the university is greater than the worldwide market share of 20.3%?
General
3 months ago
The quality-control manager at a compact fluorescent light bulb (CFL) factory needs to determine whether the mean life of a large shipment of CFLs is equal to 7450 hours. The population standard deviation is 1 comma 350 hours. A random sample of 81 light bulbs indicates a sample mean life of 7 comma 240 hours. a. At the 0.05 level of significance, is there evidence that the mean life is different from 7450 hours question mark b. Compute the p-value and interpret its meaning. c. Construct a 95% confidence interval estimate of the population mean life of the light bulbs. d. Compare the results of (a) and (c). What conclusions do you reach
General
3 months ago
If the sin of angle x is and the triangle was dilated to be two times as big as the original, what would be the value of the sin of x for the dilated triangle? Hint: Use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no spaces.
General
3 months ago
PLEASE HELP WITH MATH 100 POINTS!
General
3 months ago
A certain medical test is known to detect 72% of the people who are afflicted with the disease Y. If 10 people with the disease are administered the test, what is the probability that the test will show that: All 10 have the disease, rounded to four decimal places? At least 8 have the disease, rounded to four decimal places? At most 4 have the disease, rounded to four decimal places?
General
3 months ago
Suppose that you are taking statistics, accounting and economics this semester. Your parents tell you that they will buy you a new car if at least one of the following happens: either you get an A in both accounting and economics, or you get an A in statistics. You have decided that the probability of getting an A in any one of the courses is .2, and that your performance in each course is independent of your performance in any of the other courses. What is the probability that you will get a new car at the end of the semester
General
3 months ago
Darren Williams receives a monthly income of $600 from a pension and some from Social Security. His wife, Laura, also receives a monthly income from Social Security, but only 70 percent of Darren's amount. If their monthly income is $1,800 per month, how much is Darren's monthly Social Security benefit?
General
3 months ago
John works as a tutor for 8 an hour and as a waitress for 13 an hour. This month, she worked a combined total of 101 hours at her two jobs. Let be the number of hours Ivanna worked as a tutor this month. Write an expression for the combined total dollar amount she earned this month?
General
3 months ago
Define f to assign each student at your school a unique ID number.f:{students in your school} → {whole numbers}Assign each student a unique ID number.a. Is this an example of a function? Use the definition to explain why or why not.
General
3 months ago
Potatoes: Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 9 ounces and a standard deviation of 1.2 ounces. Round your answers to 4 decimal places.(a) If one potato is randomly selected, find the probability that it weighs less than 10 ounces.(b) If one potato is randomly selected, find the probability that it weighs more than 12 ounces.(c) If one potato is randomly selected, find the probability that it weighs between 10 and 12 ounces.
General
3 months ago
Let’s assume that human body temperatures are normally distributed with a mean of 98.20° F and a standard deviation of 0.62° F. Bellevue Hospital in New York City uses 100.6°F as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would be considered to have a fever? Please answer using a percentage and not a probability.
General
3 months ago
Compute the average value of the following function over the region R. f(x,y) = 7 sin x cos y R= { (x,y): 0 leq x leq pi/2, 0 leq y leq pi/3} bar f = (Simplify your answer. Type an exact answer, using radicals as needed. Type your answer in factored form. Use integers or fractions for any numbers in the expression.)
General
3 months ago
At the beginning of the year, Adrian's savings account balance was \$28$28dollar sign, 28. Each week, he deposits another \$15$15dollar sign, 15 into that account, and he doesn't spend any of his savings.Is his savings account balance proportional to the number of weeks since the start of the year?
General
3 months ago
Previous
1
2
3
4
5
6
7
8
9
10
11
12
13
Next