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Katyanochek1 [597]
2 years ago
6

Hi does anyone know this it is important please help me due tonight i will do anything

Mathematics
2 answers:
VikaD [51]2 years ago
5 0

Answer:

Hewo Asuna here

Answer is $20

Step-by-step explanation:

Hope this helps

Inessa [10]2 years ago
4 0

Answer:

$20

Step-by-step explanation:

Total cost of items bought

= $31.21 +$12.75 +$13.25

= $57.21

Remaining cost after paying $40

= $57.21 -$40

= $17.21

Amount borrowed

= change +$17.21

= $2.79 +$17.21

= $20

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In a right triangle, a and b are the lengths of the legs and c is the length of the hypotenuse. If a=8.9 meters and b=2.9 meters
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The answer is 9 to the nearest tenth
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2 years ago
If the measure of a central angle is 213 degrees, then the measure of the arc it intercepts is
Leto [7]

Answer:

\Delta s = \frac{71\pi}{60}\cdot r

Step-by-step explanation:

Let r be the radius of the circle, the measure of the arc is equal to:

\Delta s = \frac{213^{\circ}}{360^{\circ}}\cdot 2\pi \cdot r

\Delta s = \frac{71\pi}{60}\cdot r

8 0
3 years ago
How much string would you need to go around the bottom of a hat shaped like a cone if the radius is 4 inches? (Use 3.14 for π)
Softa [21]

Answer:

25.12 inches

Step-by-step explanation:

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7 0
3 years ago
Problem Solving Skills
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Answer:i think the answer is A(x/.ly/

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
PLEASE HURRY IM TIMED!!!
andriy [413]

<u>Answer-</u>

<em>A. Brandon’s sound intensity level is 1/4th as compared to Ahmad’s.</em>

<u>Solution-</u>

Given that, loudness measured in dB is

L=10\log \frac{I}{I_0}

Where,

I   = Sound intensity,

I₀ = 10⁻¹² and is the least intense sound a human ear can hear

Given in the question,

I₁ = Intensity at Brandon's = 10⁻¹⁰

I₂ = Intensity at Ahmad's  = 10⁻⁴

Then,

L_1=10\log \frac{I_1}{I_0}=10\log \frac{10^{-10}}{10^{-12}}=10\log \frac{1}{10^{-2}}=10\log 10^{2}=2\times10\log 10=20

L_2=10\log \frac{I_2}{I_0}=10\log \frac{10^{-4}}{10^{-12}}=10\log \frac{1}{10^{-8}}=10\log 10^{8}=8\times10\log 10=80

\therefore \frac{L_1}{L_2} =\frac{20}{80} =\frac{1}{4}

5 0
3 years ago
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