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suter [353]
3 years ago
10

A submarine’s depth at 10:00 a.m. was ( -200ft). At noon, it descended an additional 500 feet. What was the submarine’s depth at

noon?
Mathematics
2 answers:
adelina 88 [10]3 years ago
4 0
The depth of the submarine was -700 ft at noon
tresset_1 [31]3 years ago
3 0
-700ft is the answer
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3 years ago
What is the sum of all positive integers less than 300 which are divisible by 3
drek231 [11]

Answer:

14,850

Step-by-step explanation:

You need the sum of

3 + 6 + 9 + 12 + ... + 294 + 297

Factor out a 3 from the sum

3 + 6 + 9 + 12 + ... + 294 + 297 = 3(1 + 2 + 3 + 4 + ... + 98 + 99)

You need to add all integers from 1 to 99 and multiply by 3.

The sum of all consecutive integers from 1 to n is:

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The sum of all consecutive integers from 1 to 99 is

[99(99 + 1)]/2

The sum you need is 3 * [99(99 + 1)]/2

3 + 6 + 9 + 12 + ... + 294 + 297 =

= 3 * [99(99 + 1)]/2

= 3 * [99(100)]/2

= 3 * 9900/2

= 14,850

4 0
3 years ago
What is 1/5 divided by 5/7
vampirchik [111]
1/5 divided by 5/7 is 7/25
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5 0
3 years ago
Rectangle JKLM undergoes a sequence of transformations, resulting in rectangle J’K’L’M’. The length of side K’L’ is 6 units. The
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Step-by-step explanation:

J,F,K

5 0
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