Let x be the number of minutes she can continue, since she's already 20 feet below the ocean surface and is diving at the rate of 20 ft/minute, her depth with respect to x would be

20 + 20x

But she doesn't want to reach more than 100 feet below the surface

$20 + 20x \leq 100$

4 0

3 years ago

What is the value of x

borishaifa [10]

$x^2=4^2+4^2\\
x^2=2\cdot16\\
x^2=32\\
x=\sqrt{32}=4\sqrt2$

5 0

3 years ago

Solve the following linear equation for k.<br> 2 (k-5) + 3k = k + 6

kiruha [24]

Answer:

2(k-5)+3k=k+6

-3k. -3k

2(k-5)=-2k+6

/2. /2

k-5=-k+3

+k. +k

2k-5=3

+5. +5

2k=8

/2. /2

k=4

7 0

3 years ago

If quadrilateral ABCD is a parallelogram, what are the correct values for x and y? x = 30, y = 3 x = 30, y = 2 x = 70, y = 2 x =

jeka57 [31]

Answer:

-70 is the correct answer

Step-by-step explanation:

To add fractions, find the LCD and then combine

4 0

3 years ago

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