1. What is the value of a in the equation 5a – 10b = 45, when b = 3? | Socratic
Mar 2, 2018 · a=15 5a – 10b = 45 When b=3, [By transposing method] 5a–(10xx3) = 45 5a- 30=45 5a = 45+30 5a = 75 a=75/5 a=15 ~Hope this helps! :)
a=15 5a – 10b = 45 When b=3, [By transposing method] 5a–(10xx3) = 45 5a- 30=45 5a = 45+30 5a = 75 a=75/5 a=15 ~Hope this helps! :)
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FAQs
What is the value of a in the equation 5 a 10 b equals 45? ›
the value of a is 15
Equation 5a-10b=455a−10b=45 , when b=3. To find : What is the value of a ? Therefore, The value of a is 15.
Summary: The value of a in the equation 3a + b = 54, when b=9 is 15.
What is the value of the variable in the equation b 5 9? ›the equation is b+5=9, value of variable is 5.
What is the sum of minus 4 upon 5 and 14 upon 5 is equal to? ›Answer: The answer is 2, I guess.
How do you solve for B in an equation? ›In order to find "b" (the y-intercept) from the equation y=mx+b ... If you know the slope (m), use any one of the given points by substituting the Y value of the given point for y, and substituting the X value of the given point for x. Solve for b = Y-mX.
What is the value of 3 a 2b when a equals to 8 and b equals to 10? ›Therefore, the value of (3a−2b) is 4.
What is the value of 3 ab when a 5 and b 6? ›for a=5 and b=6, 3ab=90.
What is the value of a into b if a minus b equal to 3 and a square b square equal to 29? ›Aptitude :: Simplification - Discussion. 4. If a - b = 3 and a2 + b2 = 29, find the value of ab. ab = 10.
What math equation equals 45? ›45 = 1 x 45, 3 x 15, or 5 x 9. Factors of 45: 1, 3, 5, 9, 15, 45. Prime factorization: 45 = 3 x 3 x 5, which can also be written 45 = 3² x 5. When 45 is a clue in the FIND THE FACTORS puzzles, always use 5 and 9 as the factors.
What multiplication fact equals 45? ›Therefore, the factors of 45 are 1, 3, 5, 9, 15 and 45. And the factor pairs for 45 are (1, 45), (3, 15), and (5, 9).
What is the value of a and b if 5a 25 is equal to b2? ›
Summary: If 5 A + 25 is equal to B 2, then the value of A + B is 15.
What is the value in an equation? ›In math, value is a number signifying the result of a calculation or function. So, in the example above, you could tell your teacher that the value of 5 x 6 is 30 or the value of x + y if x = 6 and y = 3 is 9.