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kakasveta [241]
3 years ago
10

At swim practice, several swimmers take turns, swimming 100 meters each. The total distance they swim is less than 1,200 meters.

Which inequality can be solved to determine, s, the possible number of swimmers?
Mathematics
2 answers:
Gwar [14]3 years ago
7 0

Answer:

1,200 greater-than 100 s

Lorico [155]3 years ago
6 0

Answer:

1,000

Step-by-step explanation:

1,000 it's greater than 100

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Solve the right angle trig problem.
Lisa [10]

Answer:

x = 40.7057°

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Trigonometry</u>

  • [Right Triangle Only] sin∅ = opposite over hypotenuse

Step-by-step explanation:

<u>Step 1: Define</u>

We have a right triangle. We can use trig to find the angle.

<u>Step 2: Identify Variables</u>

Angle = <em>x</em>

Opposite = 15

Hypotenuse = 23

<u>Step 3: Find Angle </u><em><u>x</u></em>

  1. Substitute:                    sinx° = 15/23
  2. Inverse:                         x° = sin⁻¹(15/23)
  3. Evaluate:                       x = 40.7057°
6 0
2 years ago
A farmer owns pigs, chickens, and ducks. When all her animals are together, she has 30 feathered animals, and the animals all to
tatiyna

To solve this problem, let us first assign some variables. Let us say that:

x = pigs

y = chickens

z = ducks

 

From the problem statement, we can formulate the following equations:

1. y + z = 30                                         ---> only chicken and ducks have feathers

2. 4 x + 2 y + 2 z = 120                      ---> pig has 4 feet, while chicken and duck has 2 each

3. 2 x + 2 y + 2 z = 90                        ---> each animal has 2 eyes only

 

Rewriting equation 1 in terms of y:

y = 30 – z

Plugging this in equation 2:

4 x + 2 (30 – z) + 2 z = 120

4 x + 60 – 2z + 2z = 120

4 x = 120 – 60

4 x = 60

x = 15

 

From the given choices, only one choice has 15 pigs. Therefore the answers are:

She has 15 pigs, 12 chickens, and 18 ducks.

3 0
3 years ago
The cost for operating the childminding room is $350 per day. In order to cover the daily operating costs how many childminding
Anna [14]
At least 42 children.
7 0
3 years ago
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What is the quadratic in vertex form that has an a value of 8 and a vertex of (5, 6)?
faltersainse [42]

Answer:

y= 8(x-5)² + 6

Step-by-step explanation:

Parabolas have two equation forms, namely; the standard and vertex form.

In the vertex form, y = a(x - h)² + k, the variables h and k are the coordinates of the parabola's vertex.

In this case; a=8, h =5, and k=6

Therefore;

The vertex equation will be

y= 8(x-5)² + 6

8 0
3 years ago
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Solve the equation Axb by using the LU factorization given for A. Also solve Axb by ordinary row reduction. A ​, b Let Lyb and U
bulgar [2K]

Answer: Hello your question is poorly written attached below is the complete question

answer:

y = \left[\begin{array}{ccc}-4\\-11\\5\end{array}\right]

x = \left[\begin{array}{ccc}16\\12\\-40\end{array}\right]

Step-by-step explanation:

y = \left[\begin{array}{ccc}-4\\-11\\5\end{array}\right]

x = \left[\begin{array}{ccc}16\\12\\-40\end{array}\right]

attached below is the detailed solution using LU factorization

6 0
2 years ago
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