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makkiz [27]
2 years ago
8

Pls help me with this  11-3 and 11-4 u press the link below 

Mathematics
1 answer:
den301095 [7]2 years ago
7 0
11-3 and 11-4 are both the same problem.  Only the names and the numbers
are changed, but the process is exactly the same in both problems.

<em><u>11-3)</u></em>. If Andy joins the health club, he will pay $34.50 every month.
How many months are in  year ?  Over here where I come from, we get
12 months each year.
Andy will pay $34.50 twelve times.
All together, he will spend (12) x ($34.50) = $414 on membership.

<em><u>11-4)</u></em>.  Julie rides her bike 5 times a week.
34.75 miles on Monday
34.75 miles on Tuesday
34.75 miles on Friday
34.75 miles on Saturday
34.75 miles on Sunday.
How many 7 total miles does she ride each week ?

(5) times (34.75) = 173.75 miles


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Given f'(x)=(x-4)(6-2x) find the x-coordinate for the relative minimum of the graph f(x).
vlabodo [156]
<span>The graph you plotted is the graph of f ' (x) and NOT f(x) itself. </span>

Draw a number line. On the number line plot x = 3 and x = 4. These values make f ' (x) equal to zero. Pick a value to the left of x = 3, say x = 0. Plug in x = 0 into the derivative function to get

f ' (x) = (x-4)(6-2x)
f ' (0) = (0-4)(6-2*0)
f ' (0) = -24

So the function is decreasing on the interval to the left of x = 3. Now plug in a value between 3 and 4, say x = 3.5

<span>f ' (x) = (x-4)(6-2x)
</span><span>f ' (3.5) = (3.5-4)(6-2*3.5)
</span>f ' (3.5) = 0.5

The function is increasing on the interval 3 < x < 4. The junction where it changes from decreasing to increasing is at x = 3. This is where the min happens.

So the final answer is C) 3
5 0
3 years ago
When the solution of x2 − 9x − 6 is expressed as 9 plus or minus the square root of r, all over 2, what is the value of r? x equ
jarptica [38.1K]

Answer:

r = 105

Step-by-step explanation:

Given quadratic equation:

x² − 9x − 6

Quadratic formula is given by:

(-b ± √b² - 4ac) ÷ 2a

For the equation: x² - 9x - 6

a = 1, b = -9 and c = -6

Substitute in the quadratic formula:

(-b ± √b² - 4ac) ÷ 2a

(-(-9) ± √(-9)² - 4(1*-6)) ÷ 2*1

= 9 ± √105 / 2

The solution of x² − 9x − 6 is expressed as 9 plus or minus the square root of r, all over 2

Therefore, the value of r is 105

4 0
3 years ago
Can anyone help me?!!
sergij07 [2.7K]
Sorry no i cant have a great day tho
6 0
3 years ago
Can someone pls Help me with geometry
RUDIKE [14]

∠P = 6x + 6

∠Q = 2x + 11

∠R = 2x + 3

    ∠P   +    ∠Q     +     ∠R    = 180

(6x + 6) + (2x + 11) + (2x + 3) = 180

                              10x + 20 = 180

                                        10x = 160

                                           x = 16

∠Q = 2x + 11   = 2(16) + 11   = 32 + 11   = 43

Answer: 43°

8 0
2 years ago
Help on this Question please
Over [174]

Answer:

D). (n + 4)^3/5.

Step-by-step explanation:

The fifth root  is  equal to exponent 1/5 and the  n + 4 is taken to the power 3 so the answer is (n + 4)^3/5.

4 0
2 years ago
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