Answer:
Step-by-step explanation:



Hence, the result will be

you can put the scalar in to get

Step-by-step explanation:
AB(x)/DE=BC/EF
AB/25=28/20
20AB=28×25
20AB=700
AB=700/20
AB=35
SO x=35
ANSWER

EXPLANATION
The given infinite series is

The sum to infinity of this series is given by the formula,

where the first term of this infinite geometric series is

and the common ratio is


We substitute these values to obtain,

We simplify the denominator to get,

This simplifies to
Answer:
2x2x2x2x3
Step-by-step explanation:
Answer:

Step-by-step explanation:
The formula of a surface area of a rectagular prism:

l - length
w - width
h - height
We have the dimensions 6cm × 14cm × 5cm. Substitute:
