Answer:
-x-7
Step-by-step explanation:
(-2x+4)+(x-11)
-2x+4+x-11
-x-7
Answer:
-49
Step-by-step explanation:
rule of thumb: whenever you have two negatives, they equal a positive! when you have one negative and one positive, it is a negative!
- let's start by going from left to right :))
- -24 -(-6) + (-31)
- -(-6) is actually + 6!
- -24 + 6 + (-31)
- +(-31) would be -31 because one - and one + is a -
- -24 + 6 - 31
- -18 - 31
- -49
comment or message me if you are still confused or have a question!
i think 15 is the right answer
<span>Differentiating :
y' = 1 + sec^2(x),
</span><span>
cosπ=−1</span><span>
plug in pi = -1 ,for x:
1 + sec^2(pi) = 1 + (-1)^2
= 2</span>
Step-by-step explanation:
volume of cylinder=π(d/2)²h=π/4×10²×10=250πcm³
