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sp2606 [1]
2 years ago
9

If Teri had 5 blouses and 3 pairs of pants, how many different combinations could she wear?

Mathematics
2 answers:
Nuetrik [128]2 years ago
6 0
If Terri had 5 blouses and 3 pairs of pants, Teri could wear 15 different combinations of clothes. 1 blouse can be worn with any of the three pairs of pants, as for the other 4. 5 * 3 = 15. The answer is 15 combinations.
Vitek1552 [10]2 years ago
6 0
The answer would be 15. If she has 5 and 3 you would do 5•3=15.
There is 15 combinations.
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If the equation of motion of a particle is given by s = A cos(ωt + δ), the particle is said to undergo simple harmonic motion. (
Lerok [7]

Answer:

a) the velocity of particle is -Aωsin (ωt + δ)

b) the velocity is zero when t =  (nπ - δ) / ω, n ∈ Z

Step-by-step explanation:

Given that;

s = A cos(ωt + δ)

(a)

Find the velocity of the particle at time t

the velocity of the particle is given as; v = ds/dt

so differentiate s = A cos(ωt + δ) on both sides with respect to t

v = ds/dt = d/dt [ A cos(ωt + δ) ]

v = A d/dt cos(ωt + δ)

v = -Asin(ωt + δ) d/dt(ωt + δ)

v = -Aωsin (ωt + δ)

therefore, the velocity of particle is -Aωsin (ωt + δ)

b)

When is the velocity 0?

Now since the velocity will be zero; lets set v = 0

-Aωsin (ωt + δ) = 0

sin (ωt + δ) = 0

ωt + δ = nπ

ωt = nπ - δ

t =  (nπ - δ) / ω, n ∈ Z

Therefore the velocity is zero when t =  (nπ - δ) / ω, n ∈ Z

7 0
2 years ago
Which statement holds true for a skewed histogram showing a distribution of the weights of students in a class?
Law Incorporation [45]

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6 0
3 years ago
Rewrite the equation by completing the square. x^2-14+33=0
KengaRu [80]

Answer:

(x - 7)² = 16

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

x² - 14x + 33 = 0

<u>Step 2: Rewrite</u>

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And we have our rewritten form!

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2 years ago
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aivan3 [116]

Answer:

Yes that is truth that you have wrote

6 0
2 years ago
Read 2 more answers
Please help this is due tuesday
trasher [3.6K]

Answer:

Vertex: (3, -1). x-intercept(s): (4,0) & (2,0). y-intercept: (0,8). Domain: (-∞,∞). Range: [-1,∞) Axis of symmetry: x= 3

Step-by-step explanation:

the standard form of a parabola is ax² + bx + c which is also known as a quadratic equation

the vertex form of a parabola is a(x - h)² + k

problem 1: x² - 6x + 8

to solve this problem, we would need to put the equation into vertex form.

to find the vertex, we will use the formula <em>-b/2a, </em>where<em> b</em> is -6 and <em>a </em>is 1 to find <em>h (</em>also known as the x-coordinate). plug it in to the formula

-(-6)/2(1) = 6/2 = 3 <-- the x-coordinate

to find the y-coordinate, we will plug in the newly found x-coordinate into the <em>original </em>equation

solve: x² - 6x + 8 when x = 3

(3)² - 6(3) + 8 = 9 - 18 + 8 = -1 <-- the y-coordinate

so, the vertex of the equation is (3, -1)

next, we determine if the parabola opens up or down. in this case, the parabola opens up because the coefficient infront of x² is positive (1). if the coefficient was negative (-1), the parabola would open down.

now, we find the x & y intercepts. you can plot these coordinates in your table of values.

finding the x intercept(s): solve the equation for 0

solving x² - 6x + 8 =0, we can factor this out to be (x - 4)(x - 2) = 0. using the zero-product rule, we solve each of those equations for 0, with x - 4 = 0 and x - 2 = 0. the results from these are 4 and 2.

this makes the x intercepts (4, 0) and (2, 0)

finding the y intercept(s): substitute x = 0 in the original equation

substituting 0 for x in the original equation gives us:

(0)² - 6(0) + 8, which gives us only 8 since the 0s cancel out everything else. you can also say that the constant term <em>c</em> is the y intercept in order to make things a bit easier.

this makes the y intercept (0, 8)

finding the domain of a parabola:

the domain of a parabola is <em>always (-∞,∞)</em>, because it continues from left to right indefinitely

finding the range of a parabola:

the range of a parabola goes from bottom to top. the lowest y coordinate that the parabola has is located at (3, -1), making the lowest y coodinate -1.  since the parabola opens upward, we know that it continues to positive infinity.  

the range of the parabola is [-1,∞). we use a bracket on -1 because the point is located on the graph and is included in the solution.

the axis of symmetry: the axis of symmetry is the x-coordinate of the vertex, which is 3. so, the axis of symmetry would be x=3.

to find additional points, plug in any real number into the original equation, and the output will be the y value. for example:

x² - 6x +8 when x = 1

(1)² - 6(1) + 8 -> 1 - 6 + 8= 3

so, another coordinate on the grid would be (1, 3).

with all of this information, you can graph the parabola starting at the vertex and going through the y & x intercept(s) and the oher points you may need on the graph, along with solving the other equation.

i have attached a roughly drawn parabola of what it should look similar to, listing the intercepts and the vertex.

6 0
2 years ago
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