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zepelin [54]
3 years ago
15

A submarine at a depth of -25 2/3feet descended 5 1/3. How many feet must the submarine rise to reach the surface?

Mathematics
1 answer:
zheka24 [161]3 years ago
7 0

Answer:

it descended 31 Feet b b b b b b b b b bb b b b b b b  b b b b

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Pythagorean Theorem - Distance Formula - Item 20760
erma4kov [3.2K]

Step-by-step explanation:

x1 = -5, x2 =3 , y1 = -4 , y2=1

  1. formula = square foot of (x2 -x1)^2 + (y2 -y1)^2
  2. sqare root of (3 +5)^2 + (1 +4)^2
  3. square root of (8)^2 + (5)^2
  4. square root of 64 + 25
  5. square root of 89
  6. = 9.43

6 0
2 years ago
An account with an initial balance of $4000 earns 6.5% interest for 5 years.
-Dominant- [34]

Answer:

Try 32.5 hope this helps

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Coefficient x^2 in the expansion of (2+x)^5
Monica [59]
Alright, expand the given equation:
(2+x) (2+x) (2+x) (2+x) (2+x)
Use FOIL method and distribution to solve
At the final answer, find the x^2 and the number that multiplies to it is the coefficient
I can't do the actually expansion for you, it would take a decently long time. You should be able to, its a good practice. Good luck!
7 0
3 years ago
(×+2) +(4×-122)=180 need help with this problem
alina1380 [7]
So first you need to open the brackets, so it would be x+2+4x-122=180. Then we can add the 4x and the other x to make 5x, and then by doing 2-122 we get -120. This gives us the equation 5x-120=180. We then isolate the variable by moving the -120 to the other side of the equation and becoming a positive, so it would look like 5x=180+120. Then, we have 5x=300. 300 divides by 5 is 60 making X=60. Hope this helps!
6 0
3 years ago
Solve for x <br>x/4 ≥ -8<br>a) x≤-2<br>b)x≥-32<br>c)x≥-2<br>d)x≤-32​
Marianna [84]

Answer:

B

Just multiply by 4 to isolate x; because 4 isn't negative, u keep the sign the same.

4 0
3 years ago
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