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skad [1K]
2 years ago
5

Juan is a teacher and takes home 618 papers to grade over the weekend. He can grade

Mathematics
1 answer:
jek_recluse [69]2 years ago
5 0

Answer:

576

Step-by-step explanation:

6 papers an hour. 7 hours spent grading.

So 7•6 = 42

618-42

576

Hope this helps

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A pyramid with a slant height 4.6 in whose triangular base measures 8 in on each side.Each altitude of the base measures of 6.9
kvasek [131]

Answer:

82.8 in²

Step-by-step explanation:

The surface area a triangular based pyramid :

Base area + 1/2(perimeter * slant height)

Base = 8 inches ; Slant height = 4.6 inches ; altitude of base measure = 6.9 inches

Base area of triangle :

1/2 * base * height

1/2 * 8 * 6.9

4 * 6.9

Base area = 27.6 in²

The perimeter, P = sum of sides ; (s1 + s2 + s3

P = 8 + 8 + 8 = 24 in

Hence,

Surface area = 27.6 in² + 1/2(24*4.6)

Surface area = 27.6 in² + (12 * 4.6) in²

Surface area = (27.6 + 55.2)

Surface area = 82.8 in²

6 0
3 years ago
Please help with b) and c)
rewona [7]
For b it is A,M and T
For C it is 0%
6 0
2 years ago
Please help me with this problems before my head explodes
Orlov [11]

Answer:

1: c over 3

2: 9

3: 15 square root of 3

4: 5 + 2√6

Sorry but that's all I got

Step-by-step explanation:

4 0
3 years ago
If two positive angles have a sum of 180 degrees are called
SpyIntel [72]
If two positive angles have a sum of 180 degrees, they are called supplementary angles. 
7 0
3 years ago
Mr. Beber feeds his dog 1/5 of a cup of dog food each day. How long will 9 cups of dog food last?
m_a_m_a [10]

Answer:

45 days

Step-by-step explanation:

<u>Step 1:  Determine how long it will last</u>

(9 cups) * (5 days / cup)

45 days

Answer: 45 days

5 0
2 years ago
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