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slavikrds [6]
3 years ago
7

7. Two people enter a whispering gallery t want to know where they should stand so they can hear other people whisper. The galle

ry is too fast wide and the vertical distance from their head to the peak of the ceiling is 30ft.​
Mathematics
1 answer:
Nezavi [6.7K]3 years ago
6 0

Answer: Just get closer

Step-by-step explanation:

Walk next to someone to hear them left foot right foot towards them.

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There are about 30.2 million small businesses in the u.s and about 30,000 other larger businesses. What percent of all businesse
Leni [432]
<h3>Answer:</h3>

99.90%

<h3>Step-by-step explanation:</h3>

STEPS:

  1. Find the total amount
  2. Find out what number of what we want to know the percentage of there are out of the whole amount there is. (Divide the percentage amount we want to find by the total amount)
  3. Turn into a percentage by multiplying by 100

Find the total sum

30.2 mil = 30,200,000 small businesses + 30,000 other = 30,230,000 total

Find the fraction that small businesses make up of the total

\frac{small~businesses}{total~businesses} = \frac{30,200,000}{30,230,000} = 0.9990

Convert to percentage

0.9990 → % = 0.9990 × 100 = 99.90%

Hope this helps,

5 0
3 years ago
Find the area of the figure. (Sides meet at right angles.)
s344n2d4d5 [400]

Answer:

<h2>44 ft²</h2><h2 />

Step-by-step explanation:

A1 = 2(5 x 2) = 20

A2 = 8 x 3 = 24

total = 20 + 24

       = 44 ft²

6 0
3 years ago
Determine algebraically whether the function is even, odd, or neither even nor odd.
m_a_m_a [10]
For a function (fn) to be odd:
f(x) = - f(-x)
For a fn to be even:
f(x) = f(-x)
For a fn to be neither even nor odd
f(x) != f(-x)  [No Relation]

(-x)^n = x^n   for n -> even
(-x)^n = -x^n  for n -> odd
In your example:

f(x) = -4x^3 + 4x
f(-x) = -4 (-x)^3 + 4 (-x)^1  ( 3 and 1 are odd powers )
f(-x) = 4x^3 - 4x   (take -1 common to do the check)
f(-x) = -( -4x^3 + 4x ) = - f(x)  [between the bracket was the original fn]

f(x) = - f(-x)   
so the function is odd also called symmetric about the origin
7 0
3 years ago
Find the new amount given the original amount and the percent of change.
QveST [7]
So 45% of 35 is 16.2 so subtract 16.2 from 36 and you get A 19.2
4 0
2 years ago
your milk cost $18 and he says you live in 18% tip in the sales tax is 6% what is the total cost of your meal
densk [106]
$13.68 because you do [.18+.06=.24] [18•.24=4.32] [18-4.32=13.68]


5 0
3 years ago
Read 2 more answers
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