(b) Two numbers multiply together to make –15,but add together to make –2What are the two numbers?___and___.(c) Two numbers multiply together to make 8,but add together to make –6What are the two numbers?___and___.(d) The square...
125% of x=125100×x=1.25x 3. Set Up the Equation: We need to find a number A such that when we multiply x by A, we get 1.25x: Ax=1.25x 4. Cancel x: Since x is not zero, we can divide both sides of the equation by x: A=1.25 5. Convert to Fraction: The decimal 1.25 ...
Multiply a certain number by 4, then add 7 to get 31. What is the number? What two numbers multiply to 225 and add to negative 30? When two numbers are multiplied, their product is 759; but when one is subtracted from the other, their difference is 10. What are these two numbers?
42、 right?数学词汇1数学符号等于:=equal to, the same as, is不等:>more than<less thanno less thanno more than加:+add, plus, more than; sum减:-minus, subtract; less than; difference乘:×multiply, times; product 除:÷divide; quotient 绝对值: absolute value平方:X2square立方:X3cube开平...
Solved Examples on Square Numbers 1. Find the square of 89. Solution: To find the square of the number 89, we need to multiply 89 by 89. $89^{2} = 89 \times 89$ $89 \times 89 = 7921$ 2. Find the square of -25. Solution: ...
Tips and Tricks to Find Perfect SquaresSometimes, we can find perfect squares of some numbers without using the long multiplication method.Example 1: Numbers ending with the digit 5Separate the two digits of the number. Take the tens place digit and multiply it by its successor. Square the ...
Step 2: Create a variable number and set its value to 0.Step 3: Multiply each number in the number 3 times and add the numbers.Step 4: Determine if the numbers are equal to the starting number.Step 5: If the two are equal, print it as an Armstrong number. Otherwise, copy this as...
For example, to multiply the numbers in column A by the number in B2, you input the following formula in row 2, and thencopy the formula down the columnby dragging the fill handle: =A2*$B$2 The relative reference (A2) will change based on a relative position of a row where the for...
To convert a blood pressure reading from mmHg to kPa, you would multiply the mmHg value by 0.133. Conversely, to convert from kPa to mmHg, you would divide the kPa value by 0.133 or multiply it by 7.501. For instance, a blood pressure reading of 120/80 mmHg is equivalent to approximatel...
Eager for more long division but can't be bothered to type two numbers into the calculator above? No worries. Here's the next problem for you to solve: What is 247 divided by 453 using long division? Random Long Division Problems