Answer:
C
Step-by-step explanation:
Answer:
1) 5m-10
Parts, 5m, -10
Operation, Subtraction
Word Expression, 10 less than the product of 5 and m.
Step-by-step explanation:
1) 5m-10
Parts, 5m, -10
Operation, Subtraction
Word Expression, 10 less than the product of 5 and m.
2) 12/2+7
6+7
13
3) 8y-(22)
Terms, 8y, 22
Operation, Subtraction
Word Expression, 22 less than the product of 8 and y.
Answer:
(a) The solutions are:
(b) The solutions are:
(c) The solutions are:
(d) The solutions are:
(e) The solutions are:
(f) The solutions are:
(g) The solutions are:
(h) The solutions are:
Step-by-step explanation:
To find the solutions of these quadratic equations you must:
(a) For
The solutions are:
(b) For
The solutions are:
(c) For
The solutions are:
(d) For
For a quadratic equation of the form the solutions are:
The solutions are:
(e) For
The solutions are:
(f) For
The solutions are:
(g) For
Using the Zero Factor Theorem: = 0 if and only if = 0 or = 0
The solutions are:
(h) For
Using the Zero Factor Theorem: = 0 if and only if = 0 or = 0
The solutions are:
So the equation is x + 2x + 5= 29
Here are the steps -5 -5
-----------------------
3x = 24
Divide both sides by 3 so you get
x = 8
Then look back at the question, the second number has to be twice that number plus 5
So the 1st number is 8 The second # is 2(8)+5= 21