Answer:
Step-by-step explanation:
The word "more" in this context means we want to find the difference between the number Daria has and the number Julia has. It is an "additive" comparison.
____
You need to be a little careful with this. You will often see wording such as "... <em>times more</em> than ...", in which case it is a multiplicative comparison. (I would prefer the multiplicative comparison wording to be "... times as many as ...", so that "more" is reserved for additive comparisons. Alas, not in this lifetime.)
Answer:
The volume of the pyramid is 
Step-by-step explanation:
we know that
The volume of the triangular pyramid is equal to

where
B is the area of the triangular base
H is the height of the pyramid
step 1
Find the area of the base B

we have


substitute

step 2
Find the volume
we have


substitute


they are 2 similar triangles, one is smaller than the other. they are in the ratio of 2:1,
hence 7x =56÷2
7x=28
x=4
Answer:
b) 1.383
d) 2733
f) 41.429
h) 6317
j) 87.889
Step-by-step explanation:
Answer:

Step-by-step explanation:




