Answer:
k = 4
Step-by-step explanation:
In order for the claim to be true, (x-3) must be a factor of each of the terms in the first expression. That is, you must have that expression factor as ...
(x -3)(2x +5) +(x -3)(x +7)
Factoring out (x -3), we get ...
= (x -3)(2x +5 +x +7) = (x -3)(3x +12)
= 3(x -3)(x +4)
The value of k must be 4.
Answer:
15/5 or 3
Step-by-step explanation:
Answer:
x=49
Step-by-step explanation:
Make x the only variable on the left by subtracting the 5 over.
this leaves you with x=54-5
this is equal to 49
Answer:
= 4.875 × 108
(scientific notation)
= 4.875e8
(scientific e notation)
= 487.5 × 106
(engineering notation)
(million; prefix mega- (M))
= 487500000
(real number)
Step-by-step explanation:
Answer: the cost price of toy car =450
Step-by-step explanation:
selling price = original price + profit price
selling price = 100% + 20%
selling price = 120%
solve:
120% ↭ 540
1% ↭ 540/120
100% ↭ (540/120)*100
100% ↭ 450
