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babunello [35]
3 years ago
9

-6y - y + 2= 58 Ok what is Y.

Mathematics
1 answer:
valentina_108 [34]3 years ago
4 0
Answer:

-6y-y+2=58
-7y+2=58
-7y=58-2
-7y=56
-7y/-7=56/-7
y=-8
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Write an exponential function whose graph passes through the given points (2,8) (5,512)
likoan [24]
We are going to use the basic form of an exponential function: y=ab^x to solve this problem.
Since we have tow points (x_{1},y_{1}) and (x_{2},y_{2}), we are going to have a system of equations:
y_{1}=ab^{x_{1} equation (1)
y_{2}=ab^{x_{2}} equation (2) 

We know for our problem that x_{1}=2, y_{1}=8, x_{2}=5, and y_{2}=512, so lets replace those values in our equations: 
8=ab^2 equation (1)
512=ab^5 equation (2)

Now, we just need to find a and b:

Dividing equation (2) by equation (1):
\frac{512=ab^5}{8=ab^2}
64=b^3
b= \sqrt[3]{64}
b=4 equation (3)

Replacing equation (3) in equation (1):
8=a(4)^2
8=16a
a= \frac{8}{16}
a= \frac{1}{2}

Finally, we can put our function together:
y=ab^x
y= \frac{1}{2} (4^x)

We can conclude that the exponential function whose graph passes through the points (2,8) and (5,512) is y= \frac{1}{2} (4^x).
8 0
3 years ago
The graph shows a system consisting of a linear equation and a quadratic equation.
Lorico [155]

Answer:

  (3, 4) and (5, 12)

Step-by-step explanation:

The points where the two curves intersect are the solutions to the system of equations:

  (3, 4) and (5, 12)

3 0
4 years ago
Please Help me and Solve this PLease
ycow [4]
Red Y=4^-6x x 8^4x-1 x 2^-2

Blue Y= y=2^4

Solution: x=-7


I don’t know but does this help a little bit?

7 0
3 years ago
PLEASE HELP ASAP, THANK YOU
nlexa [21]

First step is to plot all the given coordinates in the xy plane.

Notice that after plotting the points A, B, C and D, we have got the figure ABCD is a trapezium with bases AD = 4 units, BC = 6 units and height: DE= 5 units.

Formula to find the area of trapezium is:

Area = \frac{(AD+BC)}{2} *DE

= \frac{4+6}{2} *5

=\frac{10}{2} *5

= 5 * 5

= 25 square units.

So, third choice is correct.

Hope this helps you!

6 0
4 years ago
Purchased additional office equipment by cheque from Jaya RM 6000 .which is debit and credit​
viktelen [127]

Answer:

6000RM=RP10000000000

7 0
3 years ago
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