The number is x
it is negative
the square is 28 more than 3 times itself
x²=28+3x
minus (28+3x)
x²-3x-28=0
factor
(x-7)(x+4)=0
set to zero
x-7=0
x=7
this is not the answer because we were told the number was negative
x+4=0
x=-4
correct
the number is -4
test
(-4)²=28+3(-4)
16=28-12
16=16
check
the number is -4
Answer:
A the sybol is facing the wrong way so it means greater than or equal not less than or equal to
B the gross value is accuratly represented and the symbol is facing the correct way
I think
No question was asked buy i'll try to answer anyway.
either im assuming its asking how many vans or how many missing seats.
26+32 58 students total,
You would need 6 vans to carry them, and 2 seats would be missing.
If this isnt what you were looking for please comment a question and i'll try to help
Answer:
Step-by-step explanation:
To find the required probability,
We can split the 40 years of Eric into very small pieces of time dt. Now, If Eric dies at time t and Gary dies before Eric, the probability is :
Hence the probability that Gary dies first is given by :
