Answer:
Step-by-step explanation:
Formula for area of a triangle:
Height x Base /2
Base (b) = h +4
Height = h
h + 4 x h /2 = 30cm
=> h +4 x h = 60
=> h+4h =60
=> 5h = 60
=> h = 12
Height = 12
Base = 12 +4 = 16
Wouldn't it be 72 72/24=3 72/18=4 72/12=6 72/6=12
Answer:
it would take her 2 minutes to peel 10 carrots.
Step-by-step explanation:
if Luke can peel 5 carrots in 2 minutes, add another 5 carrots and another 2 minutes. you get 10 carrots and 4 minutes. now the math is simple all you need to figure out is how many minutes are left. theres 2 and you have 10 carrots to go. so the answer is 2.
Answer:
4 is the co efficient and 3 is the constant
Co efficients are when a number is close to a variable, constants are a number by itself.
Answer:
20x^3-5x^2-10x+15
Step-by-step explanation:
You will use foil to get the expression 20x^3-25x^2+15x+20x^2-25x+15, and once you combine like terms you get 20x^3-5x^2-10x+15