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Aloiza [94]
4 years ago
13

What times what qualms 13

Mathematics
1 answer:
son4ous [18]4 years ago
5 0

Answer:

1 times 13 equals 13

13 times 1 equals 13

Step-by-step explanation:

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julia-pushkina [17]

With respect to the <em>parent</em> function y = cos x, we have these function according to the order of the graphs:

  1. cos x
  2. cos (1/2)x
  3. cos 4x
  4. cos 2x
  5. cos (1/4)x

<h3>How to find the functions corresponding to each graph based on the period of a function</h3>

Mathematically speaking, cosines are <em>periodic</em> functions and period (T) is the distance in the <em>horizontal</em> axis such that f(t + T) = f(t). The period of the <em>parent</em> <em>cosine</em> function is 2π. Period in <em>daughter</em> functions may vary by means of the following form:

y = cos Ax     (1)

Where:

  • x - Independent variable
  • y - Dependent variable
  • A - Period width

Please notice that <em>daughter</em> functions report periods <em>longer</em> than in the <em>parent</em> function for 0 < A < 1 and a <em>shorter</em> one for A > 1. In consequence, these functions appear in the following order:

  1. cos x
  2. cos (1/2)x
  3. cos 4x
  4. cos 2x
  5. cos (1/4)x

To learn more on periodic functions: brainly.com/question/26369761

#SPJ1

6 0
2 years ago
This question was on my test and trying to solve it i need help :
ANEK [815]

Answer:

D ) Close to 50 times but probably not exactly 50 times

Reasoning:

Right in the beginning, we know that she flips the coin 100 times. Which means A and B cannot be true. Between C and D, only D makes sense because you can't be sure if something will land exactly a number of times.

7 0
4 years ago
Which is correct? A.b.c.
Hatshy [7]
By geometry, there is a relationship between the tangent PA and the segments PB and PE, namely
PA^2=PB*PE
so 
PE=PA^2/PA=6^2/4=9
BE=PB-PE=9-4=5
6 0
4 years ago
A large storage tank, open to the atmosphere at the top and filled with water, develops a small hole in its side at a point 10.4
vlabodo [156]

Answer:

Therefore the diameter of the hole is 1.94 \times 10^{-3} m.

Step-by-step explanation:

Bernoulli's equation,

P_1+\frac12 \rho v^2_1+\rho g h_1= P_2+\frac12 \rho v^2_2+\rho g h_2

P₁ = P₂= atmospheric presser

\rho= density

\frac12 \rho v^2_1+\rho g h_1= \frac12 \rho v^2_2+\rho g h_2             [since P₁ = P₂]

\Rightarrow\rho (\frac12 v^2_1+ g h_1)= \rho(\frac12 v^2_2+ g h_2)

\Rightarrow\frac12 v^2_1+ g h_1= \frac12 v^2_2+ g h_2

\Rightarrow\frac12 v^2_2-\frac12 v^2_1=g h_1- g h_2

\Rightarrow v^2_2- v^2_1=2g h                                [h_1-h_2=h]

Here   v_1\approx 0

\Rightarrow v^2_2=2g h

\therefore v_2=\sqrt {2gh

Here g= 9.8 m/s² , h = 10.4 m

The velocity of water that leaves from the hole v_2 = \sqrt {2\times 9.8\times 10.4} m/s

                                                                                  =14.28 m/s.

Given, the rate of flow from the leak is 2.53\times 10^{-3} m^3/min

                                                               =\frac{2.53\times 10^{-3}}{60}  m^3/s

Let the diameter of the hole be d.

Then the cross section area of the hole is =\pi (\frac d2)^2

We know that,

The rate of flow = Cross section area × speed

\Rightarrow \frac{2.53\times 10^{-3}}{60} =\pi (\frac d2)^2\times 14.28

\Rightarrow (\frac d2)^2=\frac{2.53\times 10^{-3}}{60\times 14.28\times \pi}

\Rightarrow d= 1.94 \times 10^{-3}

Therefore the diameter of the hole is 1.94 \times 10^{-3} m.

4 0
4 years ago
there 176 slices of bread in 8 loaves. if there are the same number of slices in each loaf, how many slices of bread are in 5 lo
ahrayia [7]
There is 110 slices of bread total in 5 loaves.
170/8=22
22*5=110
5 0
4 years ago
Read 2 more answers
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