maths

Polina plays a violin 40 min. a day, and Yulya - to 4 h is 50 min. a week. Which of girls in a week visits more time to playing a violin?! Help to solve a problem!
From two villages the distance between which is equal 18 kilometers at the same time in one direction the pedestrian and the cyclist went and the pedestrian went ahead with a speed of 3 kilometers of hour the cyclist speeded at 12 km/h in how many hours after a start of motion the cyclist will catch up with the pedestrian
Sibirbky huskies is easier than a German shepherd on 15 kg, the collie is heavier huskies on 10 kg and it is easier than a Labrador on 3 kg. Specify which of them the heaviest? Answers: - a Siberian Huskies, - a Labrador, - a collie, - a German shepherd.
URGENTLY POMOGITEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEY! Check justice of equality A) 1/2=5/10 B) 1/5=2/10 C) 1/4=5/20 D) 1/4=25/100 E) 1/25=4/100 E) 1/25=3/75 G) 1/50=2/100 H) 1/20=5/100 these are fractions. Please with check. Subject: Equality of fractions.5 class.
Solve the equations and solve them. The difference 14,648 and unknown number is equal to the work of numbers 54 and 48. b) Private unknown number and 20 it is equal to the work of numbers 623 and 34. c) Sum of unknown number and 395 equally private numbers 30.294 and 34. Help please.
PomogiteNa the New Year's Morning performance 12 kg of candies bought Cornflowers. The Camomile is 3 times more than some candies, and the Little Red Riding Hood is so much candies how many candies Cornflowers and the Camomile together. How many kilograms of candies the Little Red Riding Hood bought?
NOD (16;24) =2*2*2=8 16=2*2*2*2 24=2*2*2*3 NOD (15;60) =3*5=15 15=3*5 60=2*2*3*5 NOD (10;15) =5 10=2*5 15=3*5 NOD (45;56) =1 45=3*3*5 56=2*2*2*7 NOD (21;49) =7 21=3*7 49=7*7 NOD (12;18;24) =2*3=6 12=2*2*3 18=2*3*3 24=2*2*2*3
Find distance (in km) between two cities if distance between them on the card of 6.8 cm and card 1 scale: 5000000
The sixth part of pupils of a class went to theater, and other children - to circus. How many children went to circus if to theater there went 5 children? HELP to WRITE the STATEMENT OF THE PROBLEM WITH the DECISION
Help to solve a zadachun a New Year's morning performance bought 12 kg of candies Cornflowers. The Camomile is 3 times more than some candies, and the Little Red Riding Hood is so much candies how many candies Cornflowers and the Camomile together. How many kilograms of candies the Little Red Riding Hood bought?
On reading five pages Andrey spends as much time how many it dad for reading 16 pages. How many minutes does Andrey read one page if dad reads it in 5 minutes?
Conceived two numbers. the sum of these numbers is equal 276, and the work zero. what it numbers?
Solve circular examples having written down them in the necessary order 6+13-4.11-3+5.13-5-2.7+8-10.9+4-6.15-13+7.5+12-6.
The milkmaid in a day presented 17 cows of 9 cows of a distance on 18 liters of milk and other 17 liters everyone what day milk yield of milk
Divide fraction into natural number 58: 4 45: 3,157: 4 2516: 5 divide natural number into fraction 4: 58 3: 45 4: 157 5: 2516
Help please It is necessary to solve the system of the equations in the graphic way X-y=1 x²+y²=4
Length of a rectangle is at 18 cm more than width. Find rectangle hundred-kroner if it is known that its perimeter is equal to 92 cm.
One party of a triangle is equal 3 meters 4 decimeters of the 8th centimeter and the 29th decimeter 3 4 meters 2 cm Find triangle perimeter
The fir-tree, oak and pine grow in the park. The quantity of trees of a fir-tree is 9/25 all trees in the park. The quantity of an oak is 1/3 quantities of trees of a fir-tree. Pines in the park are 60 more, than oaks. How many trees in the park?
Guests gathered in the emerald city to take Ellie home. At gate they were met by DinGior, Faramant and KaggiKarr and handed to guests green points. In total they had 90 points, and Kaggikarr have 10 less and at Dean the gior is 10 more than at Faramant. How many points did everyone have?
Distance between the cities And yes the B makes 250 km. The car left the city And yes passed 2 hours with a speed of 54 km/h. On how many it is necessary to increase the car speed that all way from And yes the B took exactly 4 hours? A. On 15 km/h B. On 16km/h Century. On 17 km/h of. On 18 km/h
Complex works on texts the 2nd class Part 1 option 2 test 1 to take well strengthened and being considered as inaccessible the Turkish fortress Izmail, Suvorov within eight days trained troops for storm. For this purpose he ordered to build the training camp - a ditch and strengthenings, as in the Turkish fortress. For trainings used ropes on which got on walls. For convenience on a rope ties 6 knots, distance between two next knots of 1 m. Learn height of walls of fortress if it is equal to distance between extreme nodes on a rope.
Bought the X kilogram of candies at the price of 45 rub for kilogram and y of kilograms of cookies at the price of 38 p for kilogram how many paid for purchase?
Length of the room is equal to 6 cm, width - 4 m. How many grams of paint are required for painting of half of this room if on 1 (square m) 300 g of paint are spent
Write down two solutions of rebus TTTKHFDD = TTTDD - with the smallest and greatest values of the work.
The mass of two suitcases is equal to 20 kg. The mass of one suitcase is 3 times less than the mass of another. Find the mass of an easy suitcase
The robot thought up the code for record of words: replaced some letters of the alphabet with unambiguous or two-digit numbers, using only figures 1, 2 and 3 (it replaced different letters with different numbers). At first he wrote down the code himself: ROBOT =3112131233. Having encrypted the words CROCODILE and the HIPPOPOTAMUS, he with surprise noticed that numbers left absolutely identical! Then the Robot wrote down the word MATHEMATICS. Write number which at it turned out. Prove the answer.
The robot thought up the code for record of words: replaced some letters of the alphabet with unambiguous or two-digit numbers, using only figures 1, 2 and 3 (it replaced different letters with different numbers). At first he wrote down the code himself: ROBOT =3112131233. Having encrypted the words CROCODILE and the HIPPOPOTAMUS, he with surprise noticed that numbers left absolutely identical! Then the Robot wrote down the word MATHEMATICS. Write number which at it turned out. Prove the answer.
Distance between two settlements of 64215 km, the motorist overcame 1/5chast ways. What distance did it need to pass? Express the answer in kilometers and meters. Help please
Between which from two piers of 320 km of a way at the same time to a meeting each other there were two motor boats of the boat met in 4 hours on how many km of the h the speed of one motor boat more another if the speed of the second boat of 35 km of the h
Help to solve a problem please! On a current the motor boat floated 70 km in 2 hours, and against the current 70 km in 4 hours. Find watercourse speed?
Width of a rectangle is equal to 10 cm these are twice less its lengths .chy rectangle length is equal? find perimeter and the area of a rectangle?
Solve tasks by means of the equations (task)! ALL TASKS WITH the HELP URAVNENIYZARANY MANY THANKS! 1 - Conceived number increased it by 4, to result added 13 and received 57.kakoye number conceived? 2 Masha are 3 years more senior than Dasha, the sum from age of 27 years .where years of everyone?
To drain a meadow, dug three ditches. the first ditch made 3: The 13th parts, the second-4: The 13th parts of length of all three ditches. length of the third ditch ravra4.8 km. Find length of the first and second ditches
It is necessary to the boy on a training to 17 h 30 min. He goes is sent to a stop of 15 min. at home, the trolleybus waits for 10 min. Then 25 min. go by trolleybus and 10 min. go to sports club. When should it leave the house not to be late?
In each stairwell on each floor of the nine-floor house about eight apartments are located find number of the floor on which there is apartment No. 173
SROCHNYAK AS it is NECESSARY! In advance spasibk! Calculate. Express result a) in seconds: (25 min. + 480s: 60) - 300; b) in minutes: 360-(2 h + 90 min.).
Help Please! Tanya rides a bicycle twice quicker than the younger brother Petya, and the scooter twice more slowly, than it by bicycle. Tanya and Petya, having started together, went by bicycles, and in 5 minutes Tanya changed on the scooter. In how many minutes will Petya catch up with Tanya?
Dad told that he goes with a speed of 6 km/h, drives the car 10 times quicker, and by bicycle by 4 times more slowly than by car. At what speed does dad drive by bicycle?
Brought 5 centners of berries on 16000 for centner, and 2 tons of mushrooms. How many paid for 1 ton of mushrooms if for all mushrooms paid as much how many for berries. What is more expensive: 1 Of Kg of mushrooms, or 1 kg of berries.
14 pupils at the Olympic Games solved 58 problems. However it is known that among them there are pupils the solved 2 problems, 3 tasks, 4 tasks. Prove that there are Pupils the solved not less than 5 problems
It is known that 4< and & lt; 5. Estimate value of expression: 1) a+3 Thanks in advance!
The volume of a rectangular parallelepiped is equal 180 decimeters of cubic and two of its measurements of 6 decimeters and 15 decimeters Find the sum of lengths of all edges of a parallelepiped
Bought 12 kg of sugar. Spent three fourth all sugars for jam. How many kg of sugar went to jam?
What of the following statements are right? 1. The triangle with the parties 1, 2, 4 does not exist. 2. The median of a triangle halves a corner which of top it is carried out. 3. All diameters of a circle are equal among themselves.