The hard drive of Jeremy’s computer had an initial storage capacity of 80 gigabytes. He then upgraded the hard drive capacity of his computer by 3.1 times the initial capacity. He also bought an external drive with a storage capacity of 60.5 gigabytes.

A) Calculate the new capacity, in bytes, of the hard drive of Jeremy’s upgraded computer. Write your answer in scientific notation.

B) Find the total storage capacity, in bytes, of Jeremy’s upgraded computer and find the external drive. Write your answer in scientific notation.

no

step-by-step explanation:

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step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -

arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees

you need to upload the picture of the circle.

step-by-step explanation: