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3 years ago

15

Which fraction is equivalent to the fraction shown by this model. 12/9

1 answer:

svp [43]3 years ago

5 0

Answer:

4/3

Step-by-step explanation:

12/9 is equivalent to 4/3, because you can divide both the numerator and denominator by the common factor of 3 and that will give you the correct fraction: 4/3.

Hope this helped.

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The graph of an exponential function passes through (2,−32) and (3,−64). Find the exponential function that describes the graph.

Greeley [361]

Answer: $y=(-8)2^x$

Step-by-step explanation:

The exponential function will have this form:

$y=ab^x$

We know that the function passes through the points $(2,-32)$ and $(3,-64)$ . Then, we can substitute the coordinates of the point $(2,-32)$ into $y=ab^x$ and solve for "a":

$-32=ab^2\\\\a=\frac{-32}{b^2}$

Then, we know that:

$y=(\frac{-32}{b^2})b^x$

Now, we neeed to substitute the coordinates of the second point $(3,-64)$ into $y=(\frac{-32}{b^2})b^x$ and solve for "b":

$-64=(\frac{-32}{b^2})b^3\\\\-64=-32b\\\\\frac{-64}{-32}=b\\\\b=2$

Substituting the value of "b" into $a=\frac{-32}{b^2}$ we can find "a":

$a\frac{-32}{2^2}\\\\a=-8$

Therefore, we get that the exponential function that describes the graph, is:

$y=(-8)2^x$

7 0

3 years ago

Find an equation in slope-intercept forma for the línea with slope -12 and y-intercept=1/2

jolli1 [7]

Answer:

Option D

Step-by-step explanation:

Slope intercept is:

$y=mx+b$

m - slope

b - y-intercept.

The slope in the question is -12. The y-intercept is 1/2.

Plug in the values:

$y=mx+b\rightarrow \boxed{y=-12x+\frac{1}{2}}$

Hope this helps.

4 0

3 years ago

Read 2 more answers

Please help ASAP this is due very soon and I need help.

mihalych1998 [28]

Answer:

14

Step-by-step explanation:

just add all the sides

5+5+2+2= 14

8 0

3 years ago

Another car is 4 years old And has been valued at 2600

andrew11 [14]

Answer:

Step-by-step explanation:where is the rest of the question

5 0

3 years ago

HI PLS HELP IT IS DUE TODAY AT 4:30 PLS HELP ASAP I WILL MARK YOU BRAILIEST!!

IrinaK [193]

Answer:x=65 y=155 ur welcome

4 0

4 years ago