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Help with some basic maths problems? Plzz help?
Solve the equation 4y+11=51
Expand 3(x-1)
Simplify the ratio 9:21
Simplify 2e+3e+5e
Use the rules of negative numbers to calculate -2x4
If x=6 what is the value of 5x+1
3 Answers
- SpacemanLv 76 years ago
Solve the equation 4y + 11 = 51.
4y + 11 = 51
4y + 11 - 11 = 51 - 11
4y = 40
4y/4 = 40/4
y = 10 ANSWER
Expand 3(x - 1).
3(x - 1) = 3x - 3 ANSWER
Simplify the ratio 9:21.
9:21 = 9/3:21/3 = 3:7 ANSWER
Simplify 2e + 3e + 5e.
2e + 3e + 5e = 10e ANSWER
Use the rules of negative numbers to calculate -2x4.
Assuming that you mean...
(-2x)^4 = (-2x)(-2x)(-2x)(-2x) = 16x^4 ANSWER
If x = 6, what is the value of 5x + 1?
x = 6
5x + 1 = 5(6) + 1 = 30 + 1 = 31 ANSWER
- trueproberLv 76 years ago
Hi Rebecca dear, are you in 8 th standard?
Okay
1. y = (51-11) / 4 = 40/4 = 10
2. 3x - 3
3. Dividing by 3 you get 3 : 7
4. Just adding numerals we get 10e
5. I can't follow
6. value will be got as 5(6) + 1 = 31