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xxTIMURxx [149]
3 years ago
11

MARKING BRAINLIEST TO FIRST PERSON WHO ANSWERS!!! AND ALSO UPPING POINTS TO 25!

Mathematics
1 answer:
Paha777 [63]3 years ago
3 0

Answer:

x ≈ 35°

Step-by-step explanation:

Since we don't know the angle, we will replace it with X for now.

Tangent=(\frac{Opposite}{Adjacent})

  • Opposite of X = 12.5 m
  • Adjacent of X = 18 m

tanX = \frac{12.5}{18}

  • Since we are trying to find the angle, we have to subtract "tan\\"

X = tan^-^1(\frac{12.5}{18})

X ≈ 35°

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Examine the system of equations.
11Alexandr11 [23.1K]
<h3><u>Explanation</u></h3>
  • Given the system of equations.

y =  -  \frac{1}{4} x - 2  \\ x = 4

  • Substitute x = 4 in the first equation.

y =  -  \frac{1}{4} (4) - 2 \\ y =  - 1 - 2  \\ y =  - 3

We have both x and y values. Therefore, we can answer in coordinate point form.

<h3><u>Answer</u></h3>

<u>\large \boxed{(4, - 3)}</u>

3 0
2 years ago
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Suppose a normal distribution has a mean of 50 and a standard deviation of 3. What is P(x≤53)?
Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

Use the formula to find the z-score, then go to the table that will give you the probability that the value is less than this z-score.

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The probability that the value lies to the left of 1 on a standard bell curve is 84.1345%, or 84%, the third choice down.

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3 years ago
Dr. Montgomery recently graduated from medical school and his wife bought him an engraved stethoscope. The stethoscope cost $160
Dima020 [189]

Answer:

$172.80

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$160.00 x 1.08=$172.80

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3 years ago
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Alenkasestr [34]
Direct variation means their ratio is a constant
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4 0
3 years ago
Consider circle E.<br>A<br>B<br>26<br>D<br>E<br>F<br>What is the mBC ?<br>mBC<br><br>Please help​
RSB [31]

Step-by-step explanation:

< AEB + < BEC = 180° {BEING LINEAR PAIR }

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Arc BC = 154°

Hope it will help :)

8 0
3 years ago
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