Addition practice problems - page 48 of 78
Number of problems found: 1551
- Calculate
Calculate the sum of all three-digit natural numbers divisible by five. - Natural 39393
What is the sum of all natural numbers less than 100 that are the power of 4? - Linear combination of complex
If z1=5+3i and z2=4-2i, write the following in the form a+bi a) 4z1+6z2 b) z1*z2 - A dolphin
A dolphin was swimming 17 meters below the surface of the ocean. It located a squid and dove down four more meters to eat it. What is the location of the dolphin now relative to the surface? - School dance
Lucy and JoJo need to make 140 cupcakes for the school dance. Lucy made 3/5 of the cupcakes. JoJo made 42 cupcakes. What fraction of the cupcakes do Lucy and JoJo still need to make? - Mass point
Two equal forces of 30 Newtons act on a mass point. Find the magnitude of the resultant force if these forces form an angle of 42°. - James 2
James collected 24 seashells on the seashore to be shared with his two friends. What fractional part of the seashells will each get if distributed evenly? - Calculate 37881
Calculate the square of the half of the sum of the numbers 3/5 and -1/3. - Difference 37721
Subtract the number opposite to the difference from the sum of numbers 5 and 11. - Squirrels
The squirrels discovered a bush with hazelnuts. The first squirrel plucked one nut, the second squirrel two nuts, and the third squirrel three nuts. Each new squirrel always tore one nut more than the previous squirrel. When they plucked all the nuts from - Add sub fractions
What is 4 1/2+2/7-213/14? - Ground level
The ground-level temperature in Helsinki is 20°C lower than in London. The temperature in a basement flat in Helsinki is 5°C below the temperature at ground level. If it is -29°c in the basement, what is the temperature in London? - Absolute 37423
Add the absolute values: - At midmorning The temperature at midmorning was 31°C. Early in the evening, the temperature dropped by 5°C. What was the resulting temperature?
- Weather
Weather. At 5:00 am, the temperature was 28°C, and at noontime, it rose by 9°C. By 4:00 PM, it dropped 3°C; by nighttime, it was 4°C less. What is the room temperature this time? - Following 37221
The river level was 2 cm above normal at the beginning of the month, then rose 5 cm, fell 12 cm in the following days, then lost 9 cm, and finally rose 7 cm. How high was the river level at the end of the month? - Decompose 37101
Decompose the number of primes and find its digit sum: 180, 232, 460, 240, 365, - Math homework
It took Jose two-thirds of an hour to complete his math homework on Monday, three-fourths of an hour on Tuesday, and two-fifths of an hour on Wednesday. How many hours did it take Jose to complete his homework altogether? - Common difference
The 4th term of an arithmetic progression is 6. Find the common difference if the sum of the 8th and 9th terms is -72. - Half-planes 36831
The line p and the two inner points of one of the half-planes determined by the line p are given. Find point X on the line p so that the sum of its distances from points A and B is the smallest.
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