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Roman55 [17]
2 years ago
7

Help&EXPLAIN Don’t use for points I’ll report

Mathematics
2 answers:
kvasek [131]2 years ago
4 0

Answer:

<em>x</em><em> </em><em>=</em><em> </em><em>20</em><em>°</em>

Step-by-step explanation:

given : x + 70° = 90°

( it is shown in the figure )

  • =》x + 70° = 90°
  • =》x = 90°- 70°
  • =》x = 20°

<em>hence</em><em>,</em><em> </em><em>x</em><em> </em><em>=</em><em> </em><em>20</em><em>°</em>

ivolga24 [154]2 years ago
3 0

Answer:

x = 20

Step-by-step explanation:

The picture shows that there is a right angle (this is indicated by the square in between the two straight lines)

every right angle has a total measure of 90 degrees

knowing this we can say: x + 70 = 90 or x = 90 - 70

either way, you would solve this to get x = 20

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Find the absolute minimum and absolute maximum values of f on the given interval. f(x) = x − ln 8x, [1/2, 2]
insens350 [35]
The given function is 
f(x) =  x - ln(8x), on the interval [1/2, 2].

The derivative of f is
f'(x) = 1 - 1/x
The second derivative is 
f''(x) = 1/x²

A local maximum or minimum occurs when f'(x) = 0.
That is,
1 - 1/x = 0  => 1/x = 1  => x =1.
When x = 1, f'' = 1 (positive).
Therefore f(x) is minimum when x=1.
The minimum value is
f(1) = 1 - ln(8) = -1.079

The maximum value of f occurs either at x = 1/2 or at x = 2.
f(1/2) = 1/2 - ln(4) = -0.886
f(2)  = 2 - ln(16) = -0.773
The maximum value of f is
f(2) = 2 - ln(16) = -0.773
A graph of f(x) confirms the results.

Answer: 
Minimum value  = 1 - ln(8)
Maximum value = 2 - ln(16)


4 0
3 years ago
Gretchen worked in the ticket booth for 20 minutes. Kevin worked in the ticket booth 5 times longer than Gretchen.
slamgirl [31]

The Answer Is D! Hope This Helps You

7 0
2 years ago
Juan says that 8, 1 3/4, and -12 are all integers. Is he correct? Explain your answer. Please help me fast
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No, he is not right.

Integer is a number that can be written without a fractional component, and 1 3/4 doesn't.

Here's an image for you to better understand. 


8 0
3 years ago
Read 2 more answers
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jok3333 [9.3K]
48.
For the rectangle, 4x6 =24
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Answer:

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Step-by-step explanation:

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5 0
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