When a () is right next to a number such as the problem you have it means to multiply. so 77 times -1 equals -77. so i'm not sure why -77 isn't one of your answer choices. maybe you mistyped something?
Answer:
6.7kg - 2.6kg = 4.1kg
Step-by-step explanation:
6 7/10 is equal to 6.7. If we have 6.7kg of pumpkins, but we can't use 2.6kg, then we subtract to find the amount that we can use.
Answer: x^2-9x+1
Step-by-step explanation:
x^2-7x-7 d(x-1)
(you would just replace x to (x-1)
(x-1)^2-7(x-1)-7
(solve by square rooting (x-1)(x-1) then foil)
x^2-9x+1
39x / 4
6x/8 x y = 13
3x/4 x y x 13
Answer:
0
Step-by-step explanation:
Amount Of Gram= 500
one fourth of gram in one hour=1/4×500 = 125
in four hours the gram filtered out = 4×125= 500
therefore the amount of gram remaining in the contaminants = 500-500= 0 gram
