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What are two numbers that multiplied together equal -1344 and added equal 43?
Let the number 'm' & 'n' Hence # Multiplication mn = - 1344 Added m + n = 43 We have two unknowns , So we eliminate one of them . Hence mn = -1344 m = 43 - n Substitute (43 - n) n = -1344 43n - n^(2) = -1344 n^(2) - 43n - 1344 = 0 We now have quadratic eq;n to solve Hence n = { --43 +/- sqrt[(-43)^(2) - 4(1)(-1344)]} / 2(1) n = { 43 +-/ sqrt[ 1849 + 5376]} / 2 n = { 43 +/-sqrt[ 7225] } / 2 n = { 43 +/- 85}/2 n = 128/2 = 64 & n = - 42/2 = -21 Verification 64 X -21 = -1344 64 - 21 = 43 So the two numbers are '-21' & '64'.
What two numbers when added together equal -5 but when multiplied together equals 36?
-9+4
What two numbers when multiplied equal -7 and added together equal 5?
-2
What two number multiplied equals 784 and added together equal zero?
28(-28)
What two numbers when added together equal 36 but when multiplied together equals 81?
2.4115 and 33.5885 (to 4 dp)
What are 3 numbers that when added equals 15 and when multiplied together equal 80?
8, 5 and 2
What when multiplied are equal to -900 but when added together equals to 0?
The numbers are: 30 and -30
What two numbers added together equal 15.2 and when multiplied equals 52?
The numbers are 10 and 5.2
What two numbers when multiplied are equal to -14 but when added together equals to 19?
5
What are two numbers that equal 36 when multiplied together but equal -10 when added together?
26
What is a two digit number whose two digits added together equal 42 and multiplied together equal 82?
A two digit number whose two digits added together equal 42 and multiplied together equal 82
What two digit numbers whose two digits added together equal 42 and multiplied together equal 82?
Two (or four) digits added together cannot equal 42. Two-digit numbers multiplied together cannot equal 82.
