Mathematics, 30.08.2019 00:30 gunnatvinson
Mark is covering an 8-inch-square board with 1-inch-square tiles. he uses gray tiles to make four 2-in. by 2-in. squares. he covers the rest of the board with white tiles.
how many more white tiles than gray tiles will mark use?
four small rectangles inside a larger rectangle. two adjacent sides of the larger rectangle are labeled eight inches and eight inches. the four smaller rectangles appear to be the same size and are all shaded. two adjacent sides of one of the smaller rectangles are labeled two inches and two inches.
Answers: 1
Mathematics, 22.06.2019 03:40
Vikram is studying the square pyramid below. on st to find the surface area of the pyramid, in square inches, vikram wrote (33.2) (34 ikram wrote (33.2)(34.2)+43(34.2)(284) what error did vikram make? o he used the same expression for the area of all four lateral faces. he used the wrong expression to represent the area of the base of the pyramid. o he used the wrong value as the height when he found the area of the lateral faces. he used an expression for surface area that only finds the total area of three faces.
Answers: 3
Mathematics, 22.06.2019 05:50
#5 points possible: 3. total attempts: 5 using your calculator, find the range and standard deviation, round to two decimals places: the table below gives the number of hours spent watching tv last week by a sample of 24 children. 76 57 89 73 88 42 31 46 80 42 38 57 49 50 89 36 69 82 27 88 39 89 95 18 range = standard deviation =
Answers: 1
Mathematics, 22.06.2019 09:40
Consider the following sequence of numbers. the common ratio of the sequence is =? the sum of the first five terms of the sequence is=? blank 1 options: -1/3,-3,1/3,3 blank 2 options: -303,183,-60,363
Answers: 2
Mathematics, 22.06.2019 10:20
1.whatβs the least common multiple (lcm) for each group of numbers? a. 6 and 15 b. 4 and 11 c. 6, 9, and 12 d. 8, 10, and 20 2.whatβs the least common denominator (lcd) for each group of fractions? a. 1β6 and 7β8 b. 3β4 and 7β10 c. 7β12, 3β8 and 11β36 d. 8β15, 11β30 and 3β5 3.insert the βequalβ sign or the βnot equalβ sign ( = or β ) to make each statement true. a. 18/36 1/2 b. 13/15 7/10 c. 3/5 5/9 d. 3/8 10/16 4.on a hot summer day, john drank 5β11 of a quart of iced tea; gary drank 7β10 of a quart; and carter drank 3β5 of a quart. which man was the most thirsty? 5.whatβs the largest fraction in each group? a. 5β6 and 29β36 b. 5β12 and 3β8 c. 2β5 and 19β45 d. 5β7, 13β14, and 19β21 e. 7β11 and 9β121 f. 1β2, 3β18, and 4β9 6.reduce each of the following fractions to its simplest form. a. 12β18 b. 48β54 c. 27β90 d. 63β77 e. 24β32 f. 73β365 7.what is the next fraction in each of the following patterns? a. 1β40, 4β40, 9β40, 16β40, 25β40 . .? b. 3β101, 4β101, 7β101, 11β101, 18β101, 29β101. .? c. 5β1, 10β2, 9β2, 18β4, 17β8, 34β32, 33β256. .? 8.in each pair, tell if the fractions are equal by using cross multiplication. a. 5β30 and 1β6 b. 4β12 and 21β60 c. 17β34 and 41β82 d. 6β9 and 25β36 9.this year, a baseball player made 92 hits out of 564 times at bat. another player made 84 hits out of 634 times at bat. did the two players have the same batting average? 10.on a test with 80 questions, bob got 60 correct. on another test with 100 questions, he got 75 correct. did bob get the same score on both tests? 11.find the missing numerators in each of the following problems. a. 10β15 = β60 b. β108 = 4β9 c. 7β11 = β121 d. β144 = 2β6 12.this handy application of lcms is used by astronomers. all the planets in our solar system revolve around the sun. the planets occasionally line up together in their journeys, as shown in the illustration. the chart shows the time it takes each planet to make one trip around the sun. now, imagine that the planets earth, mars, jupiter, saturn, uranus, and neptune aligned last night. how many years will pass before this happens again? (hintβfind the lcm of the planetsβ revolution times.) solar system planet revolution time earth 1 year mars 2 years jupiter 12 years saturn 30 years uranus 84 years neptune 165 years
Answers: 1
Mark is covering an 8-inch-square board with 1-inch-square tiles. he uses gray tiles to make four 2-...
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