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3 years ago

Pls helpppppppppppppo

Mathematics

1 answer:

vovikov84 [41]3 years ago

8 0

Answer:

b I do believe

Step-by-step explanation:

can you help me

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(PLEASE ANSWER: TIMED)The intensity, or loudness, of a sound can be measured in decibels (dB), according to the equation I(dB)=1

Mrac [35]

For this case we have the following equation:
$l(dB) = 10log( \frac{l}{lo} )$
We must replace the following value in the equation:
$l = 10^8lo$
Substituting we have:
$l(dB) = 10log( \frac{10^8lo}{lo} )$
Simplifying the given expression we have:
$l(dB) = 10log(10^8)$
Then, using logarithm properties in base 10, we can rewrite the expression:
$l(dB) = 10(8)$
Finally, making the product, the result is:
$l(dB) = 80$
Answer:
$l(dB) = 80$
option 4

3 0

3 years ago

Read 2 more answers

BRIANILEST!!!!Which lines are parallel? Check all that apply.

spin [16.1K]

Answer:

b║f

c║e

Step-by-step explanation:

Given a diagram,

Lines b, c, d, e, f and a transversal line 'a'.

Here line 'b' makes an angle with line 'a' is 89.5° and line 'f' makes an angle with line 'a' is also 89.5° (180°-90.5° = 89.5°)

Since corresponding angles are same.

So, line 'b' is parallel to line 'f'.

And line 'c' makes an angle with line 'a' is 91.5° and line 'e' makes an angle with line 'a' is also 91.5° (180°-88.5° = 91.5°)

Since corresponding angles are same.

So, line 'c' is parallel to line 'e'.

Therefore,

b║f

c║e

That's the final answer.

4 0

3 years ago

Read 2 more answers

If f(x) = 6x – 1 and g (x) = StartFraction x + 1 Over 6 EndFraction, which expressions can be used to verify g(x) is the inverse

tigry1 [53]

Answer:

(6 x - 1) + 1 over 6 &

6 ( x + 1 Over 6 ) - 1

Step-by-step explanation:

Edge2020

5 0

3 years ago

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A pool company is creating an image for a client that has the look of a 3-D image for a family pool and a similar dog pool. Find

Natasha_Volkova [10]

Answer:

Step-by-step explanation:

As the two pools, Family pool and Dog pool, are similar, their interior angles are equal and their corresponding sides are in the same proportion:

LMNO ~ PQRS

so LM/PQ = MN/QR = NO/RS = OL/SP

substituting in the given values

4/2 = 6/c = a/5 = 7/b

c = 6/2 = 3

a = 5*2 = 10

b = 7/2 = 3.5Answer:

Step-by-step explanation:

As the two pools, Family pool and Dog pool, are similar, their interior angles are equal and their corresponding sides are in the same proportion:

LMNO ~ PQRS

so LM/PQ = MN/QR = NO/RS = OL/SP

substituting in the given values

4/2 = 6/c = a/5 = 7/b

c = 6/2 = 3

a = 5*2 = 10

b = 7/2 = 3.5

3 0

3 years ago

Can someone please take there time to do this every time I asked it’s wrong

prisoha [69]

Answer:

5/3x - y = 5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Standard Form: Ax + By = C

Step-by-step explanation:

Step 1: Define

Find points from graph.

x-int (3, 0)

y-int (0, -5)

Step 2: Find slope m

Substitute: $m=\frac{-5-0}{0-3}$
Subtract: $m=\frac{-5}{-3}$
Simplify: $m=\frac{5}{3}$

Step 3: Write Slope-Intercept Form

y = 5/3x - 5

Step 4: Find Standard Form

Subtract 5/3x on both sides: -5/3x + y = -5
Multiply both sides by -1: 5/3x - y = 5

And we have our answer!

8 0

3 years ago