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amid [387]
2 years ago
11

Starting at sea level, a submarine descended at a constant rate to a depth of - 5/6 mile relative to sea level in 3/4 minutes. T

he submarine continues to descend at the same rate. What is the submarine's depth relative to sea level after the first minute? Enter your answer as a simplified mixed number in the box​
Mathematics
1 answer:
Nostrana [21]2 years ago
6 0

Answer: the many shall not be televised

Step-by-step explanation:

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Please help me solve question 2
sergiy2304 [10]

Answer:

solution: ( 3 , 6 )

\sf y =6

\sf x =3

Step-by-step explanation:

\sf y = \frac{2}{3} x+4

\sf 2x+3y = 24

make y the subject in equation 2:

\sf 2x+3y = 24

\sf 3y = 24-2x

\sf y = \frac{24-2x}{3}

insert this in equation 1:

\sf \frac{24-2x}{3} =\frac{2}{3} x+4

\sf \sf \frac{24-2x}{3} =\frac{2x+12}{3}

\sf (24-2x) = (2x+12)

\sf -2x-2x=12-24

\sf -4x=-12

\sf x =3

solve for y:

\sf y = \frac{24-2x}{3}

\sf y = \frac{24-2(3)}{3}

\sf y =6

8 0
2 years ago
Read 2 more answers
Find sin A.12/13<br> B.1<br> C.13/12<br> D.13/5
andreyandreev [35.5K]

Answer:

A

Step-by-step explanation:

7 0
2 years ago
Which of those is an example of numerical data ? A. Average speed b. Type of pet C. Favorite car d.home state
garri49 [273]
Average speed the others are categorical.
7 0
3 years ago
Algebraically find the inverse of a function​
Savatey [412]

9514 1404 393

Answer:

  1)  f⁻¹(x) = 6 ± 2√(x -1)

  3)  y = (x +4)² -2

  5)  y = (x -4)³ -4

Step-by-step explanation:

In general, swap x and y, then solve for y. Quadratics, as in the first problem, do not have an inverse function: the inverse relation is double-valued, unless the domain is restricted. Here, we're just going to consider these to be "solve for ..." problems, without too much concern for domain or range.

__

1) x = f(y)

  x = (1/4)(y -6)² +1

  4(x -1) = (y-6)² . . . . . . subtract 1, multiply by 4

  ±2√(x -1) = y -6 . . . . square root

  y = 6 ± 2√(x -1) . . . . inverse relation

  f⁻¹(x) = 6 ± 2√(x -1) . . . . in functional form

__

3) x = √(y +2) -4

  x +4 = √(y +2) . . . . add 4

  (x +4)² = y +2 . . . . square both sides

  y = (x +4)² -2 . . . . . subtract 2

__

5) x = ∛(y +4) +4

  x -4 = ∛(y +4) . . . . . subtract 4

  (x -4)³ = y +4 . . . . . cube both sides

  y = (x -4)³ -4 . . . . . . subtract 4

6 0
3 years ago
1 tenth is how many times greater than 1 hundredth
Anna35 [415]

Answer:

10

Step-by-step explanation:

1 tenth: 1/10

1 hundredth: 1/100

1/10 = X × 1/100

X = 100/10

X = 10

7 0
3 years ago
Read 2 more answers
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