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iragen [17]
3 years ago
13

A navy submarine descended at a rate of 4 feet per second. a. Write the descent rate as an integer. b. Write an expression to fi

nd the submarine's elevation after 5 minutes.
Mathematics
1 answer:
Rasek [7]3 years ago
5 0

Answer:

1200

Step-by-step explanation:

Since the value they are asking for is in minutes, we need to convert seconds to minutes. We can do that by multiplying 4 and 60, because there are 60 seconds in a minute, and we need to find the value of one minute.  Also because the value they gave is 4. When we do this, we get 240. To get the final answer, we need to multiply 240 and 5, because 240 is the descending rate per minute, and they are asking for 5 minutes. When we do this, we get 1200.

(I might get this wrong, so like yeah.)

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Ilia_Sergeevich [38]

Answer:

sin of 4pi/3= -root3/2

sin of 3pi/4= root2/2

=

(-root3 + root2) /2

Step-by-step explanation:

5 0
3 years ago
Identify the property of equality that makes the Equation 1 and Equation 2 equivalent
Otrada [13]

Step-by-step explanation:

<u>To make both equivalent</u>.

For equation (I) multiply all through by 4

Now, from

x - 1/2 = x/4 + 3

it becomes

4(x) - 4(1/2) = 4(x/4) + 4(3)

--> 4x - 2 = x + 12.

This is your new equation (I) or you can call it equation (iii).

For equation (ii) multiply all through by 1 to make it equivalent to your new equation (I) or eqn (iii) if you wish.

Now from

4x - 2= x + 12

it becomes

1(4x) - 1(2) = 1(x) + 1(12)

--> 4x - 2 = x + 12

This is your new equation (ii) or you can call it equation (iv)

Therefore;

Equation 1 has to be multiplied by 4 and Equation 2 by 1 to make both equivalent.

New equation 1 is 4x-2=x+12

New equation 2 is 4x-2=x+12.

6 0
4 years ago
Evaluate 2LW + 2HL + 2HW for L = 3,W = 2, and H = 4. 48 46
JulijaS [17]
2(3)(2) + 2(4)(3) + 2(4)(2)

2(6) + 2(12) + 2(8)

12 + 24 + 16

52

Hope this helps!
7 0
3 years ago
Read 2 more answers
X/-3-41=-11 show work please
Brilliant_brown [7]

The correct answer is x = -90.

To find this, solve using the order of operations. See the example below.

x/-3 - 41 = -11 ----> Add 41 to both sides

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4 0
4 years ago
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Answer:

1, 3 and 5.

Step-by-step explanation:

4 0
3 years ago
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