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EleoNora [17]
2 years ago
15

Cleqslant%20%20%5Ctimes%20%20%5Cleqslant%20%20%7C%20" id="TexFormula1" title="obtain the fourier expansion for sin ax in the interval - | \leqslant \times \leqslant | " alt="obtain the fourier expansion for sin ax in the interval - | \leqslant \times \leqslant | " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Norma-Jean [14]2 years ago
4 0
I really do not get it . It’s this a question ? If so can you be a little more specific .
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A line has a slope of -2/5. Generate the coordinates of two points that would lie on the same line
vovangra [49]

Answer:

Many solutions are possible. One example is (10,5) and (5,7).

Step-by-step explanation:

The slope is the distance between points represented as a ratio of vertical to horizontal distances. It is a difference or subtraction. To find two points work backwards. What two points have y values with a distance of -2?

5-7=-2

So the points are (x,5) and (x,7).

Now what x values have a distance of 5?

10-5 = 5

So the points are (10,5) and (5,7).

5 0
2 years ago
provide a counterexample (specific values of a,b, etc. which make the statement false) for each of the following statements. Ass
ivolga24 [154]

Answer:

1. a=3, b = 2, c = 1.

2. a=2, b=3, c=4, d=6.

3. a = 9, b = 3.

Step-by-step explanation:

1.  3 | 21   is a counterexample  because 3 does not divide into  2 or 1.

2. 23 | 46 is a counterexample because 2 does not divide into 3.

3. 9 | 3^2 is a counterexample because 9 does not divide into 3.

8 0
2 years ago
A postal clerk sold 50 postage stamps for $16.05. Some were 39-cent stamps and the rest were 24-cent stamps. How many 39-cent st
svetoff [14.1K]
39x + 24(50 - x) = 1,605 
<span>13x + 8(50 - x) = 535 </span>
<span>13x + 400 - 8x = 535 </span>
<span>5x = 135 </span>
<span>x = 27 </span>

<span>Answer: 27 of 39-cent stamps were sold</span>
7 0
3 years ago
Find the positive value of x in the geometric sequence 7x-2,4x+4,3x
Goryan [66]
Hello,


Let's assume k the ratio.

&#10; \left \{ {{3x=k*(4x+4)} \atop {4x+4=k*(7x-2)}} \right. \\\\&#10; \left \{ {{3x-4kx=4k} \atop {4x-7kx=-2k-4}} \right. \\\\&#10; \left \{ {{x(3-4k)=4k} \atop {x(4-7k)=-2k-4}} \right. \\\\&#10; \left \{ {{x=\dfrac{4k}{3-4k} \atop {x=\dfrac{-2k-4}{4-7k} \right. \\\\&#10;&#10;\dfrac{4k}{3-4k}=\dfrac{-2k-4}{4-7k}\\\\&#10;&#10;36k^2-6k-12=0\\&#10;6k^2-k-2=0\\&#10;&#10;\boxed{k= \dfrac{2}{3} \ or\ k= -\dfrac{1}{2}}\\\\&#10;&#10;x=\dfrac{4*\dfrac{2}{3} }{3-4*\dfrac{2}{3} }=8\\&#10;x=\dfrac{4*\dfrac{-1}{2} }{3-4*\dfrac{-1}{2} }=-\dfrac{2}{5}\\&#10;&#10;&#10;&#10;&#10;&#10;

\boxed{x= 8 \ or\ x= -\dfrac{2}{5}}\\\\





5 0
2 years ago
Two dice are rolled. if the total showing is odd, you pay your friend $8. otherwise, your friend pays you $4. what is the (expec
drek231 [11]
50/50 always. Hope it helps
7 0
2 years ago
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