2 years ago

A submarine was situated 832 test below sea level. If it ascends 289 feet, what is its new position?

Mathematics

1 answer:

Lilit [14]2 years ago

7 0

Answer:

It's new position is 1121 feet below sea level.

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Find the length indicated

Allushta [10]

It is 1 because 8-7=1

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4 years ago

The flagpole casts an 8 foot shadow as shown in the table at the same time the oak tree casts 12-foot shadow how tall is the oak

jolli1 [7]

How tall is the flagpole?

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4 years ago

Five times the result of adding one to a certain number, is equal to four times the number, plus three. Find the number

Galina-37 [17]

Answer:

The number is -2

Step-by-step explanation:

Let the number = x

Given that:

Five times the result of adding one to a certain number, is equal to four times the number, plus three.

The equation will be:

5(x+1) = 4x +3

Simplifying

5x + 5 = 4x +3

Taking terms with x on left side and others on right side

5x - 4x = 3 - 5 (sign of transferred terms will be changed)

x = -2

Proof :

Condition 1:

number = -2

Add one = -2 +1 = -1
Multiply 5 = -5

Condition 2:

4 times of number = 4 (-2) = -8
Add 3 = -8 +3 = -5

Hence both conditions have same answer.

I hope it will help you!

5 0

3 years ago

What’s is the sum of the series?

STALIN [3.7K]

Answer:

Step-by-step explanation:

$\sum\limits_{k=1}^4(2k^2-4)\to a_k=2k^2-4\\\\for\ k=1:\\\\a_1=2(1)^2-4=2(1)-4=2-4=-2\\\\for\ k=2:\\\\a_2=2(2)^2-4=2(4)-4=8-4=4\\\\for\ k=3:\\\\a_3=2(3)^2-4=2(9)-4=18-4=14\\\\for\ k=4:\\\\a_4=2(4)^2-4=2(16)-4=32-4=28\\\\\sum\limits_{k=1}^4(2k^2-4)=-2+4+14+28=44$

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3 years ago

the temperature of dry ice is -109.5°F this is 184.2°F less than the outside temperature. What is the outside temperature?

AlladinOne [14]

Answer:

Step-by-step explanation:

You need to add 184.2°F to -109.5°F.

184.2°F + (-109.5°F) =

= 184.2°F - 109.5°F

= 74.7°F

4 0

3 years ago