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4 years ago

A scuba diver was 53 below the oceans surface. If he rises 25 feet, what is hte new depth?

Mathematics

1 answer:

bonufazy [111]4 years ago

3 0

Answer:

28 ft below the surface.

Step-by-step explanation:

A scuba diver was 53 below the oceans surface. If he rises 25 feet, what is the new depth?

You subtract 25 ft from 53 ft leaving you with 28 ft.

53 ft

- 25 ft

28 ft below the surface

Hope this helps.

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3 years ago

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alexandr402 [8]

Answer:

Step-by-step explanation:

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3 years ago

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Answer:

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3 years ago

F(x) = -4x2 + 6x - 4 Find f(5)

Anni [7]

Answer:

f(5) = -74

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = -4x² + 6x - 4

f(5) is x = 5

Step 2: Evaluate

Substitute: f(5) = -4(5)² + 6(5) - 4
Exponents: f(5) = -4(25) + 6(5) - 4
Multiply: f(5) = -100 + 30 - 4
Add: f(5) = -70 - 4
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3 years ago

Nate and his friends are building a skateboard ramp for an upcoming contest. The length of the ramp on the blueprint is 7.6 inch

ICE Princess25 [194]

Answer:

30.4 feet.

Step-by-step explanation:

We have been given the length of the ramp on the blueprint is 7.6 inches. The scale on the blueprint is 1 inch to 4 feet. We are asked to find the actual length of the ramp.

We will use proportions to solve our given problem as:

$\frac{\text{Actual length}}{\text{Scale length}}=\frac{4\text{ ft}}{1\text{ inch}}$

Now, we will substitute the scale length of ramp in our proportion as:

$\frac{\text{Actual length}}{7.6 \text{ Inches}}=\frac{4\text{ ft}}{1\text{ inch}}$

$\frac{\text{Actual length}}{7.6 \text{ Inches}}\cdot 7.6 \text{ Inches}=\frac{4\text{ ft}}{1\text{ inch}}\cdot 7.6 \text{ Inches}$

$\text{Actual length}=4\text{ ft}\cdot 7.6$

$\text{Actual length}=30.4\text{ ft}$

Therefore, the actual length of the ramp would be 30.4 feet.

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3 years ago