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sergeinik [125]
3 years ago
5

A submarine is only allowed to change its depth by rising toward the surface in 60-meter stages. It starts off at -340 meters.

Mathematics
1 answer:
Mumz [18]3 years ago
7 0

Answer:

Step-by-step explanation: for what

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Alex_Xolod [135]

Answer: The total amount the water change was -28 gallons by the end of the week <u>OR</u> The total amount the water changed decreased 28 gallons by the end of the week. Depending on how you want to word it.

Hope this helps!

Step-by-step explanation:

<u>Create you equation:</u>

x = the total amount the water changed

d = the amount of days

x = -4d

<u />

<u>Insert the known information into the equation and solve:</u>

x = -4d

x = -4(7)

x = -28

4 0
2 years ago
Which expression is equivalent to<br> (q^6)^2<br> q3<br> q8<br> q12<br> q36
Zepler [3.9K]
I think it’s q12 or C hope this helped
8 0
2 years ago
What is the cost of 20pens is rs 1200,what is the cost of one pen​
myrzilka [38]

Answer:

rs 60

1200/20=60......

3 0
2 years ago
Why are details imporant?
pshichka [43]

Answer:

Step-by-step explanation:

Details are important because they are like pieces of a puzzle, they all work together to create the bigger picture.

3 0
3 years ago
Find two numbers whose sum is 25 and the sum of whose reciprocals is 1/6
Katen [24]

Answer:

10 and 15

Step-by-step explanation:

Let 'x' and 'y' are the numbers we need to find.

x + y = 25 (two numbers whose sum is 25)

(1/x) + (1/y) = 1/6 (the sum of whose reciprocals is 1/6)

The solutions of the this system of equations are the numbers we need to find.

x = 25 - y

1/(25 - y) + 1/y = 1/6 multiply both sides by 6(25-y)y

6y + 6(25-y) = (25-y)y

6y + 150 - 6y = 25y - (y^2)

y^2 - 25y + 150 = 0 quadratic equation has 2 solutions

y1 = 15

y2 = 10

Thus we have :

First solution: for y = 15, x = 25 - 15 = 10

Second solution: for y = 10, x = 25 - 10 = 15

The first and the second solution are in fact the same one solution we are looking for: the two numbers are 10 and 15 (since the combination 10 and 15 is the same as 15 and 10).

5 0
3 years ago
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