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irakobra [83]
1 year ago
12

Gradpoint, please help lol. Simple answer please.

Mathematics
1 answer:
Flauer [41]1 year ago
7 0

Answer:

30/441

Step-by-step explanation:

6/21 chance to draw nickel on the first one. since you dont replace coins, there is a 5/20 chance of drawing a dime on the next one.

6/21x5/20= 30/441

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Answer is due in 1 hour!
makkiz [27]
 <span>y = 10x * sin(x) 
y' = 10 * (x * cos(x) + sin(x)) 
x = pi/2 
y' = 10 * ((pi/2) * cos(pi/2) + sin(pi/2)) = 10 * ((pi/2) * 0 + 1) = 10 * 1 = 10 
y - 5pi = 10 * (x - (pi/2)) 
y - 5pi = 10x - 5pi 
y = 10x</span>
6 0
3 years ago
The graphs of g(x) = x³- ax² + 6 and h(x) = 2x² + bx + 3 touch when x = 1. Therefore, the tangent to
Olegator [25]

Answer:

(1,\, 10).

Step-by-step explanation:

Differentiate each function to find an expression for its gradient (slope of the tangent line) with respect to x. Make use of the power rule to find the following:

g^\prime(x) = 3\, x^2 - 2\, a\, x.

h^\prime(x) = 2\, (2\, x) + b = 4\, x  + b.

The question states that the graphs of g(x) and h(x) touch at x = 1, such that g^\prime(1) = h^\prime(1). Therefore:

3 - 2\, a = 4 + b.

On the other hand, since the graph of g(x) and h(x) coincide at x = 1, g(1) = h(1) (otherwise, the two graphs would not even touch at that point.) Therefore:

1 - a + 6 = 2 + b + 3.

Solve this system of two equations for a and b:

\begin{aligned}& a + b = 2 \\ & 2\, a + b = -1\end{aligned}.

Therefore, a = -3 whereas b = 5.

Substitute these two values back into the expression for g(x) and h(x):

g(x) = x^3 + 3\, x^2 + 6.

h(x) = 2\, x^2 + 5\, x + 3.

Evaluate either expression at x = 1 to find the y-coordinate of the intersection. For example, g(1) = 1 + 3 + 6 = 10. Similarly, h(1) = 2 + 5 + 3 = 10.

Therefore, the intersection of these two graphs would be at (1,\, 10).

6 0
2 years ago
A store pays $70 for a bicycle. the percent of markup is 20%. what is the selling price please help
defon
The selling price would be $87.50 originally!

I hope this helped! Mark me Brainliest! :) -Raven❤️
8 0
3 years ago
What is the next fraction in this sequence?<br> 1<br> 3<br> 9<br> 27<br> 280, 280, 280,<br> 280 /
WITCHER [35]

Answer:

the answer is 81 over 280

8 0
2 years ago
−2+pn/4 when n=5 and p=2.
Gnesinka [82]

Answer:

-2+5*2= -2+10/4

You get 8/4 which is 2

Step-by-step explanation:

6 0
2 years ago
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