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cestrela7 [59]
3 years ago
9

Find 2a for a = 3 1/4. 23 1/4 6 1/4 6 1/2 5 1/2

Mathematics
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

6 \frac{1}{2}

Step-by-step explanation:

you are adding 3 1/4 to 3 1/4 which is 6 2/4 or 6 1/2

or you can multiply 13/4 by 2 to get 26/4 or 13/2 which, again, is 6 1/2

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What is the inverse of the function f(x)=4x+8
Leno4ka [110]

Answer:

f  ( x )  − 1  = ( 1/ 4  x )  − 2.

Step-by-step explanation:        

For inverse function, the x and y interchanges and then make y the subject again of the equation. See the working out below:

f  ( x )  =  4 x  +  8

 f  ( x )  =  y

y    =  4 x  +  8

 x  =  4 y  + 8  ----- interchanging  y  and  x

Now make  y  the subject of the equation:

x  =  4 y  +  8

 − 4 y  =  -   x  +  8

 y  =  ( − 1/ 4  ) .  −  x   +  ( − 1/ 4  )  .8

 y  =  ( 1/ 4  x )  − 2

So the inverse function is:

f (x)  − 1  =  ( 1/ 4  x )  − 2

7 0
3 years ago
How many 1/9 servings are in 4 cups?​
d1i1m1o1n [39]
36 servings........
8 0
3 years ago
Which of the following has a positive value? sec (2pi/3) tan (2pi/3) cos (2pi/3) csc (2pi/3)
Darya [45]

Answer:  D) csc (2π/3)

<u>Step-by-step explanation:</u>

2π/3 is in Quadrant II

Quadrant II has a negative x-value and a positive y-value.

x-values are: cos & sec

y-values are: sin & csc

tan = y/x so will be negative in Quadrant II

A) sec = -

B) tan = -

C) cos = -

D) csc = +     this works!

7 0
3 years ago
What is the equation of the line that is parallel to the line 5x + 2y = 12 and passes through the point (-2, 4)?
ludmilkaskok [199]
The answer is Y=-5/2x-1
7 0
3 years ago
The graph of an absolute value function opens down and has a vertex of (0, -3). The domain of the function is . The range of the
Firdavs [7]

Answer:

Domain: All real numbers

Range: y\leq -3

Step-by-step explanation:

The domain is the set of all x values. The quadratic equation continue to operate over all x-values in both directions. The domain is all real numbers.

The range is the set of all y-values. Here the quadratic begins at -3 and continues in a downward direction forever. Then range is y\leq -3

6 0
3 years ago
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