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madam [21]
3 years ago
9

What is the decibel level of the noise from a fire alarm with intensity 10^-1 watts per square inch

Mathematics
1 answer:
prisoha [69]3 years ago
6 0

Answer:

110 db

Step-by-step explanation:

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Please help in this question. I WILL mark brainliest. NO LINKS
deff fn [24]

Answer:

B, you are correct

Area of the bigger trapezoid = (6 + 2) x 1/2 x 6 = 8 x 1/2 x 6 = 4 x 6 = 24

Area of the smaller trapezoid = (4 + 2) x 1/2 x 3 = 6 x 1/2 x 3 = 3 x 3 = 9

<h2>Area of the shaded area = 24 - 9 = 15</h2>

<em>Hope that helps! :)</em>

<em>Hope that helps! :)</em>

<em></em>

<em>-Aphrodite</em>

Step-by-step explanation:

6 0
3 years ago
Answer the questions about congruent triangles.
Brrunno [24]

Answer:

<B = <G

Step-by-step explanation:

ABC ≅FGH

<A = <F

<B = <G

<C = <H

because corresponding parts of congruent triangles are congruent

3 0
3 years ago
s. Blake spent 11 hours making gift baskets for families. Each gift basket took 1/5 hours to make. How many gift baskets did Ms.
Iteru [2.4K]

Answer:

55

Step-by-step explanation:

If 1 gift takes 1/5 an hour, then 5 gifts would take one hour. So if she makes 5 gifts an hour for 11 hours she would make 55 gifts in 11 hours.

3 0
3 years ago
-5 - 12 change to addition with answer
nasty-shy [4]

hello there

-5 - 12 = -17

when you have two negative number you suppose to add them and keep the negative sign as i just did below

hope this help

may i please have a brainliest

thx

8 0
3 years ago
A fly trapped inside a cubical box with side length 1 meter decides to relieve its boredom by visiting each corner of the box. I
Lelu [443]

Answer:

(4 √ 3 + 4 √2 ) m

Step-by-step explanation:

The  insect can travel from one corner directly to opposite corner in four different ways

each can be calculated using Pythagoras theorem

firstly  for one face we need to calculate the diagonal

H² = 1² + 1² = 2

H = √2

then we calculate the diagonal opposite a corner

for example

A to H where A  is at the bottom and H opposite A in another plane at the top in the cubical box

(Interior diagonal for A to H)² = √2² + 1² = 3

Interior diagonal from A to H = √ 3

there are four such corners, the fly will travel 4 √ 3 and it could also go 4 √2 diagonally to the the other corners

maximum possible length in meters = (4 √ 3 + 4 √2 ) m

4 0
3 years ago
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