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Simora [160]
3 years ago
11

A submarine that is already at 605 feet below sea level ascends (rises up) 475 feet before descending (sinking down) another 255

feet.
Mathematics
1 answer:
lisabon 2012 [21]3 years ago
8 0

Answer:

-350ft

Step-by-step explanation:

so basically 605 is negative and 255 is a negative then you add those two then it would be -860 then you subtract the positive 475 and that will equal -350

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Angles in circle solve for each variable
lisabon 2012 [21]

Answer:

Step-by-step explanation:

7 0
3 years ago
WILL CHOOSE BRAINLIEST!!! The oxford square is approximately 300 feet on each side. What is the length of the diagonal square?
Marina CMI [18]

Answer:

424 ft and 3 inches

Step-by-step explanation:

To calculate the diagonal of a square, multiply the length of the side by the square root of 2 --> d = a√2

a² + a² = diagonal²

diagonal = √(a² + a²) = √(2 x a²) which simplifies to diagonal = a√2

If area is given --> d = √(2*area)

Knowing square perimeter --> d = (perimeter/4)*√2

5 0
2 years ago
Read 2 more answers
In a game of chance, the probability of winning a $50 is 40% and the probability of losing a $50 prize is 60%. what is the expec
melamori03 [73]
To calculate expected value,
We can add up the probability of all possible events.
The 2 possible events are either winning $50 or losing the prize, which is $ - 50
Expected value =
50 x 40 % + (-50) x 60%
= $-10
So the answer is $-10
4 0
3 years ago
Will give brainliest, thanks in advance!!
tester [92]

Answer:

-3+15i

Step-by-step explanation:

Apply complex arithmetic rule: \left(a+bi\right)\left(c+di\right)=\left(ac-bd\right)+\left(ad+bc\right)i

\left(-3\cdot \:3-3\left(-2\right)\right)+\left(-3\left(-2\right)+3\cdot \:3\right)i

-3 * 3 -3 (-2) = -3

-3+15i

8 0
2 years ago
How to solve this question?
fiasKO [112]
Hi!

For this equation, you can solve it by using the quadratic formula:
x=-b<span>±sqrt/b^2-4ab
    -----------------------
              2a</span>
6 0
3 years ago
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