Sarah spins a four-sided spinner with numbers 0,1,1,3. (i) What number is most likely to land?
(ii) What's the probability of landing on 1 twice?
(iii) Given 16384729 for landing on 3 on the nth spin, find n.
Can a graph help address issues in a voluntary response sample of weights from an online survey? Choose the correct answer.
A. Yes, it can help by using certain graphs to obscure specific values.
B. No, all inaccuracies must be removed before graphing.
C. No, a bad sample can't be salvaged by graphs.
D. Yes, a graph with an accurate description of deficiencies is unbiased.
If A={a,b,c} and B={b,c,d}, why is A∪B={a,b,c,b,c,d}? Choose the correct answer: A. A∪B={a,b,c,d}; elements aren't repeated in sets.
B. A∪B={b,c}.
C. A∪B=∅.
D. The union has fewer elements than either set.
B) Une cuve a un observateur à O (1.20 m au-dessus de AB) et un poisson à P (0.80 m en dessous). 3) Quelle distance l'observateur pense-t-il voir le poisson ? Quelle distance le poisson voit-il l'observateur ? 4) Avec un miroir au fond (CD) et une épaisseur d'eau e=1.20m, à quelle distance l'observateur voit-il son image ? Comment cela change-t-il si l'eau s'écoule ?
1. Calculate 143−54. What is the result? 2. Find the product of 53 and 65 in simplest form. 3. Convert 0.35 to a fraction in lowest terms. 4. Express 0.35 as a percentage. 5. Identify the equivalent of 2.3%.
1.7 Calculate 201×(21+52). Choose A, B, C, or D.
1.8.1 Find the VAT on a R 15000 fridge at 15%. Choose A, B, C, or D.
1.8.2 What is the total cost of the fridge including VAT? Choose A, B, C, or D.
1.8.3 Calculate 88% of 40kg. Choose A, B, C, or D.
Calculate ingredients for 50 meatballs: minced beef, canned tomatoes, and eggs. Compare prices of minced beef at two shops. Determine meatballs needed for 24 and 30 people. Verify R3600 distribution among three children aged 3, 5, and 10 years.
Select the correct sequence to convert days to seconds: 1. days → seconds 2. days → minutes → hours → seconds 3. days → hours → minutes → seconds 4. days → hours → seconds
Un poisson dans un lac voit un disque lumineux à la surface (indice n=1.33). 1) Expliquez pourquoi. 2) Si le rayon du disque est r=3.0 m, quelle est la profondeur du poisson ?
Given the fraction 53: 1. Model it on a 10x10 grid. 2. Create a table of 5 equivalent ratios to 100. 3. Identify decimal and percent equivalents; explain errors in options A, B, D. 4. Find the number where 53 of it equals 18. 5. Draw a number line for question 4.
Jordan flies 650 miles round-trip. How many trips must he make yearly to fly between 10400 and 28600 miles for Gold status? Express in interval notation.
Find three consecutive odd integers where the sum of the first, twice the second, and three times the third equals 22. The smallest is 1. What is the second largest?
List six items made of organic compounds from these options: vegetables, strawberry, bronze, wood, family dog, chalk, washing soda, plastic pipe, sugar, limestone.
Find the value(s) of h so that the vector b=⎣⎡4−9h⎦⎤ lies in the plane spanned by a1=⎣⎡13−1⎦⎤ and a2=⎣⎡−6−112⎦⎤. The value(s) of h is(are) □.
Find the increase in carbon dioxide levels from 307 ppm in 1959 to 377 ppm in 2005, and calculate the percent increase. Round to the nearest tenth of a percent. Increase: parts per million, Percent increase: %