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2 years ago

The figure below is a net for a rectangular prism.

Mathematics

1 answer:

lawyer [7]2 years ago

7 0

Answer:

Answer: you've gotten it answered? lmk if you haven't and you're waiting on one

Step-by-step explanation:

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The ratio of teachers needs to be 1:30. If there were 120 students, how many teachers would be needed?

mezya [45]

Answer:

4:120

Step-by-step explanation:

for 120 student they would be 4 teacher needed per 30 student

4:120

4 0

2 years ago

The average discharge at the mouth of the Amazon River is 4,900,000 cubic feet per second. How much water is discharged from the

Misha Larkins [42]

Answer: Average discharge at the mouth of the Amazon River in 1 hour = $1.764\times 10^{10}$ cubic feet

Average discharge at the mouth of the Amazon River in 1 year= $3.66912\times10^{13}$ cubic feet[/tex]

Step-by-step explanation:

Given : The average discharge at the mouth of the Amazon River =4,900,000 cubic feet per second.

i.e. The average discharge at the mouth of the Amazon River in 1 second= 4,900,000 cubic feet

Since 1 hour = 3600 seconds

Then , the average discharge at the mouth of the Amazon River in 1 hour =

$4900000\times3600=17640000000$ cubic feet

Since , there are 2080 hours in a typical year.

Then, the average discharge at the mouth of the Amazon River in 1 year=

$2080\times17640000000\\\\=36,691,200,000,000=3.66912\times10^{13}$ cubic feet

6 0

2 years ago

Given 2 circles: One with a diameter of 20 cm and another with a 50 cm, find the difference between the 2 areas. Hint: area= pi

Lelu [443]

Answer:

1648.5

Step-by-step explanation:

20cm radius - 10

50cm radius- 25

area = 3.14×10²

3.14×100

=314

area= 3.14× 25²

3.14×625

= 1962.5

1962.5

- 314

_________

1648.5

6 0

2 years ago

I linked an attachment to it. PLs help me

Goryan [66]

Answer:

101 students

since a whole circle is 360 degrees just subtract 259 from 360

5 0

2 years ago

Simplify the radical expression: √20+6√5

PolarNik [594]

√20 + 6√5
= √(4 * 5) + 6√5
= 2√5 + 6√5
= √5 (2 + 6)
= 8√5

Hope it helps

6 0

2 years ago