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sp2606 [1]
3 years ago
10

Can someone please help me I have no idea how to do this :(?!

Mathematics
1 answer:
Ainat [17]3 years ago
8 0
Part C:  Treat these two expressions as separate functions.  Then f(x) = 4^(-x) and g(x) = 2^x + 3.  Graph these functions separately on the same set of coordinate axes.  Determine the coordinates of the point of intersection of the two graphs.  That's your "solution," or at least the x-component of it.  To find the y-component, substitute your "solution" into either f(x) or g(x).  Write your final solution in the form (x,y).
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Determine whether each of the following products is rational or irrational.
ankoles [38]

Answer:

-irrational

-rational

-rational

-irrational

__________________________________________________________quick and easy way is to see if the squares are perfect squares, like square root seven is irrational, so the answer is irrational. square root 9 is 3, which is rational, so its rational.

brainliest is appreciated :)

6 0
3 years ago
What is the 15th term in the sequence using the given formula?<br><br> yn = 12n-1
Veseljchak [2.6K]

Answer:

Step-by-step explanation:

hello :

yn = 12n-1

the 15th term is :y15 when x= 15

y15 = 12(15)-1

y15 = 179

7 0
3 years ago
Multiply 436.2 × 0.74 = ____
Darya [45]
322.788 is the answer to your ?
7 0
3 years ago
Read 2 more answers
Sean tossed a coin off a bridge into the stream below. The path of the coin can be represented by the equation 2 h tt = − 16t^2+
tekilochka [14]

Answer:

It will take 5.61 seconds for the coin to reach the stream.

Step-by-step explanation:

The height of the coin, after t seconds, is given by the following equation:

h(t) = -16t^{2} + 72t + 100

How long will it take the coin to reach the stream?

The stream is the ground level.

So the coin reaches the stream when h(t) = 0.

h(t) = -16t^{2} + 72t + 100

-16t^{2} + 72t + 100 = 0

Multiplying by (-1)

16t^{2} - 72t - 100 = 0

Solving a quadratic equation:

Given a second order polynomial expressed by the following equation:

ax^{2} + bx + c, a\neq0.

This polynomial has roots x_{1}, x_{2} such that ax^{2} + bx + c = a(x - x_{1})*(x - x_{2}), given by the following formulas:

x_{1} = \frac{-b + \sqrt{\bigtriangleup}}{2*a}

x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}

\bigtriangleup = b^{2} - 4ac

In this question:

16t^{2} - 72t - 100 = 0

So

a = 16, b = -72, c = -100

\bigtriangleup = (-72)^{2} - 4*16*(-100) = 11584

t_{1} = \frac{-(-72) + \sqrt{11584}}{2*16} = 5.61

t_{2} = \frac{-(-72) - \sqrt{11584}}{2*16} = -1.11

Time is a positive measure, so we take the positive value.

It will take 5.61 seconds for the coin to reach the stream.

3 0
3 years ago
How much is 5/9 of -3/5?<br><br> A) 1/2<br> B) -1/3<br> C) 1/7<br> D) -25/27
irina1246 [14]
The answer is A 1/2 sorry if I’m wrong if not A its c
5 0
3 years ago
Read 2 more answers
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