Answer:
C-----> x<-7
Step-by-step explanation:
first u do this to turn x in positive and consequently change the > to an <:
(-1).(-4x)>28.(-1)
so:
4x<-28
x<-7
# when multiplying each side by (-1), you have to change the symbol (>) to an (<), or (<) to an (>)
Answer:
Option D. It's a perfect square trinomial.
Step-by-step explanation:
(a) 36x² - 4x + 16
= (6x)² - 2(2x) + (4)²
It's not a perfect square trinomial
(b) 16x² - 8x + 36
= (4x)² - 2x(4x) + (6)²
It's not a perfect square trinomial
(c) 25x² + 9x + 4
= (5x)² + 2
+ (2)²
It's not a perfect square trinomial
(d) 4x² + 20x + 25
= (2x)² + 2(10x) + (5)²
= (2x+5)²
It's a perfect square trinomial.
Answer: 1875km 840m
Step-by-step explanation:
From the question, we are informed that Gupty travelled 75km 800m by car and travelled 1800km 40m by aeroplane.
The distance that she travel altogether will then be:
= 75km 800m + 1800km 40m
= 1875km 840m
Answer:
Janelle should save $13.60 per week
because (350 - 105.20) + 18 13.6
Step-by-step explanation:
105.20-350.00=244.8
244.8/18=13.6
