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Dmitry [639]
2 years ago
14

If you bought a stock last year for a price of $68, and it has gone down 6.5% since then how much is the stock worth now, to the

nearest cent?​
Mathematics
1 answer:
trapecia [35]2 years ago
7 0

Answer:

Step-by-step explanation:

10.4615384615

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(Question 2 : Select the best answer for the question.)
iris [78.8K]

Answer:

B is the answer i think

Step-by-step explanation:

because its lenear and positive...

5 0
3 years ago
Can someone find the slope
Alex787 [66]
Hello!

The slope is in rise over run form

From point to point to goes up 4 and over 10

that is 4/10

This can be simplified to 2/5

The answer is 2/5

Hope this helps!
4 0
2 years ago
Read 2 more answers
V(t)=26,000(0.90^t) find the initial value and the value after 11 years
Damm [24]
Well you're given the equation and the time.

substitute:

V(t) = 26,000(0.90^t)
V(11) = 26,000(0.90^(11))
V(11) = 8,159.075498
V(11) ≈ 8,159
5 0
3 years ago
Sally can paint a room in 4 hours while it takes steve 9 hours to paint the same room. how long would it take them to paint the
Eva8 [605]
Sally  ⇒
4 hours = 1 room
1 hour = 1/4 of the room

Steve ⇒
9 hours = 1 room
1 hour = 1/9 of the room

Sally + Steve ⇒
1 hour = 1/4 + 1/9 = 9/36 + 4/36 = 13/36

Number of hours needed ⇒
1 ÷ 13/36 = 1 x 36/13 = 36/13 = 2 10/13 hours

Answer: They need 2 10/13 hours.


7 0
2 years ago
Is the graph of y = sin(x^4) increasing or decreasing when x = 10? Is it concave up or concave down?
Tanzania [10]
y=\sin(x^4)
\implies y'=4x^3\cos(x^4)
\implies y'=12x^2\cos(x^4)-16x^6\sin(x^4)

At x=10, you have

y'(10)=4000\cos(10^4)

The trick to finding out the sign of this is to figure out between which multiples of \dfrac\pi2 the value of 10^4 lies.

We know that \cos x>0 whenever -\dfrac\pi2+2n\pi, and that \cos x whenever \dfrac\pi2+2n\pi, where n\in\mathbb Z.

We have

10^4=\dfrac{k\pi}2\implies k=\dfrac{2\times10^4}\pi\approx6366.2

which is to say that \dfrac{6366\pi}2, an interval that is equivalent modulo 2\pi to the interval \left(\pi,\dfrac{3\pi}2\right).

So what we know is that 10^4 corresponds to the measure of an angle that lies in the third quadrant, where both cosine and sine are negative.

This means y'(10), so y is decreasing when x=10.

Now, the second derivative has the value

y'=12\times10^2\cos(10^4)-16\times10^6\sin(10^4)

Both \cos(10^4) and \sin(10^4) are negative, so we're essentially computing the sum of a negative number and a positive number. Given that \sin x>\cos x for \pi, and \cos x>\sin x for \dfrac{5\pi}4, we can use a similar argument to establish in which half of the third quadrant the angle 10^4 lies. You'll find that the sine term is much larger, so that the second derivative is positive, which means y is concave up when x=10.
5 0
3 years ago
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