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Anastaziya [24]
3 years ago
9

Help please I really can’t fail this exam

Mathematics
1 answer:
shtirl [24]3 years ago
7 0
Answer:E'F' and EF are equal in length.
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The frequency of D3 is 146.83 Hz. What is the frequency of D5, which is two octaves above D3?
Vaselesa [24]

Answer: D

Frequency = 587.32 Hz

Step-by-step explanation:

One octave above has a frequency of 2 × 146.83 Hz = 293.66Hz (D4). Two octaves above has afrequency of 2 × 293.66 Hz = 587.32 Hz (D5)

5 0
3 years ago
Find the slope of the line. <br><br> A. 1/7<br><br> B. - 1/7<br><br> C -7<br><br> D. 7
AveGali [126]
It will be A) 1/7 because using the rise over run meathod you get 1/7 and it will be possitive
3 0
3 years ago
The floor of a round hut has a diameter of 4 meters. What is the floor's circumference? Use 3.14 for ​.
7nadin3 [17]

Answer:

12.56

Step-by-step explanation:

C= 2 x 3.14 x 2

(the other 2 is half of the circumference)

3 0
3 years ago
Answer!!!!!! Please!!!!!!
shusha [124]

Answer:

C

Step-by-step explanation:

Using calculator to evaluate

2^{\sqrt{19} } ≈ 20.5191 → C

6 0
3 years ago
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15v − -14v − -14 = -15 solve for v ps..... help plz
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Solve for  v  by simplifying both sides of the equation, then isolating the variable.

v = -1

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