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DedPeter [7]
3 years ago
10

which operation must you use to calculate the submarine's change in elevation? which word or words in the problem signify this o

peration?
Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0

Answer:

The problem states that the submarine dives down 115 feet deeper. The words dives and down convey that the submarine dove farther below its initial level. So, I should subtract 115 feet from -502.5 feet.

Step-by-step explanation:

Correct answer

Natasha_Volkova [10]3 years ago
3 0
The order of operations
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Can someone please help me with this question?
Hatshy [7]
The answer is 168 seconds.
4 0
3 years ago
9y^2-6y+1=0<br> FIND Y PLEASE HELP STEP BY STEP
dlinn [17]

Answer:

y = 1/3

Step-by-step explanation:

<u>Step 1:  Factor</u>

9y^2 - 6y + 1 = 0

(3y - 1)(3y - 1) = 0

(3y - 1)^2 = 0

<u>Step 2:  Solve for y</u>

3y - 1 + 1 = 0 + 1

3y / 3 = 1 / 3

y = 1/3

Answer: y = 1/3

4 0
2 years ago
the first ferris wheel was built in 1893 in chicago. It’s diameter was 250 feet. How many feet did the ferris wheel rotate with
Mice21 [21]

Answer:

about 785.4

Step-by-step explanation:

The circumference of a circle is pi times the diameter:

C = πd

C = π·(250 ft) ≈ 785.4 ft

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Most scientific or graphing calculators have the value of π built in. If yours doesn't, a value good for at least 6 significant figures is the ratio 355/113.

5 0
3 years ago
What is the range of a function f(x)=-x+15 when the domain is {-3,-1,11}?
hodyreva [135]

Answer:

The range is the output value or the y value.

You would work backwards to find the domain.

f(x) = 4x - 1                              f(x) = 4x - 1

3 = 4x - 1                                    7 = 4x - 1

add 1 to both sides                    add 1 to both sides

4 = 4x                                            8 = 4x

divide both sides by 4              divide both sides by 4

x = 1                                              x = 2

f(x) = 4x - 1                                  f(x) = 4x - 1

11 = 4x - 1                                      15 = 4x - 1

add 1 to both sides                      add 1 to both sides

12 = 4x                                              16 = 4x

divide both sides by 4                  divide both sides by 4

x = 3                                                    x = 4

Domain { 1, 2, 3, 4}

Step-by-step explanation:

4 0
2 years ago
What is a quarter past 7
DENIUS [597]

Answer: 7:25

Step-by-step explanation:

A quarter is 25

5 0
3 years ago
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