Numbers - math word problems - page 57 of 307
Number of problems found: 6130
- The determinant
The determinant of the unit matrix equals 7. Check how many rows the A matrix contains. - Fraction of a time
Express a fraction of what a 24-hour portion is, 80 minutes. - Metal rod
The metal rod measures 1.2 meters. How many decimetres is a quarter of a metal bar smaller than five-sixths of a metal bar? - 3 children
Three children had to divide 4 pounds is candy. How much candy did each child get? - Wagon unloading
Workers unload the wagon in 3 1/2 hours. How much will it land in 2 hours? - Sugar production
Nine tons of sugar beet are needed to produce 1 ton of sugar. In 1996, 4,500,000 tons of sugar beet were harvested in our country. How many tons of sugar were obtained from it? - Number of Matrix Elements The rectangular matrix contains three rows and four columns. Determine how many elements this matrix contains.
- Determinant of Inverse Matrix What number do we get if we multiply the determinant of matrix A by the determinant of its inverse matrix?
- Square Matrix Rows
Determine how many rows the 7th-order square matrix contains. - Matrix elements Determine how many elements a third-order square matrix contains.
- Withdrawal
Suppose I withdrew 2/5 of my total savings and spent 7/10 of that amount. What fraction do I have left in my savings? - Same digits
Write numbers from 0 to 100 with the same number of units and tens. - Double-digit numbers How many double-digit numbers range from 0 to 100?
- Book cost Four books cost m crowns. How many 5, 6, 7, 8 such books cost?
- Expression - decimals Specify the value of the expression with decimal numbers: (4.416356) -7.152+ (74.855) =?
- Matrix determinant
Calculate the value of the determinant of a unit matrix with 11 rows. - Matrix rank Find the rank of each null matrix.
- Inverse matrix Find how many times the larger determinant is the matrix A, which equals 9 as the determinant of its inverse matrix.
- Fraction to decimal
Write the fraction 3/22 as a decimal. - Matrix determinant
The inverse matrix determinant to matrix C has a value of 0.125. Determine how often the determinant of the matrix C is larger than the determinant of the inverse matrix to the matrix C.
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