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kogti [31]
3 years ago
15

Write an expression to represent the submarine’s elevation after its final dive. Then simplify the expression to find its elevat

ion
Mathematics
1 answer:
RideAnS [48]3 years ago
3 0

Answer:

-502.5 − 115 = -617.5

The submarine’s elevation after its final dive is -617.5 feet, or 617.5 feet below sea level.

Step-by-step explanation:

Plato answer

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How many solutions exist for the given equation?
Tcecarenko [31]

Answer:

infinitely many

Step-by-step explanation:

Given

12x + 1 = 3(4x + 1) - 2 ← distribute parenthesis and simplify

12x + 1 = 12x + 3 - 2, that is

12x + 1 = 12x + 1

The expressions on both sides are equal.

This indicates that any value of x makes the equation true.

Thus there are infinitely many solutions

5 0
3 years ago
If you earn $195 in
Nookie1986 [14]

Answer:

Principal = $975

Step-by-step explanation:

Formula for interest is;

I = PRT/100

Where;

P is principal

R is interest rate

T is time

We are given;

I = $195

R = 4%

T = 5 years

Thus, making P the subject of the formula, we have;

P = 100I/RT

P = (100 * 195)/(4 * 5)

P = $975

5 0
2 years ago
Read 2 more answers
Find the possible dimensions of the picture above please
Svetlanka [38]

Answer:

(2x – 7) × (2x + 7)

Step-by-step explanation:

From the question given above, the following data were obtained:

Area (A) = (4x² – 49) m²

Dimension =?

The picture in the question above has a rectangular shape. Thus, the area is given by:

Area (A) = Length (L) × Width (W)

A = L × W

The dimension of the shape will be:

L × W

Now, we shall determine the dimension (L × W) as follow:

Area (A) = (4x² – 49) m²

Dimension (L × W) =?

A = L × W

L × W = 4x² – 49

Recall:

4 = 2²

49 = 7²

Thus,

L × W = 2²x² – 7²

L × W = (2x)² – 7²

Different of two squares

L × W = (2x – 7)(2x + 7)

L × W = (2x – 7) × (2x + 7)

Dimension = (2x – 7) × (2x + 7)

Therefore, the possible dimension (L × W) of the shape is (2x – 7) × (2x + 7)

4 0
3 years ago
-3(6 - 3k)<br>I need to Simplify the expression​
sergij07 [2.7K]

Answer:

-18+9k

Step-by-step explanation:

If you use the distributive property, you get:

(-3*6) and (-3*-3k)

If you simplify each of them you get:

-18+9k

8 0
2 years ago
Read 2 more answers
F(-5) if(x) - 4x + 2
sashaice [31]

Answer:

22

Step-by-step explanation:

-4(-5)+2

20+2

22

3 0
2 years ago
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