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Virty [35]
3 years ago
5

When a barrel is 30% empty it

Mathematics
1 answer:
blondinia [14]3 years ago
5 0

Answer:

it is 70% full

Step-by-step explanation:

When it is 30 % empty it means it is 70% full

0.7x=0.3x+30

0.7x-0.3x=30

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3 years ago
Find the measure of a central angle that intercepts an arc of 3 inches in a circle whose radius is 8 inches.
Tresset [83]

Answer:

option (A)

central angle = 0.375 rad

Step-by-step explanation:

Given in the question,

radius of the circle = 8 inches

arc of the circle = 3 inches

To find,

measure of a central angle

Central angles are subtended by an arc between those two points.

Formula to use:

<h3>     s = (r) (θ)</h3>

<em>where r = radius </em>

<em>            s = arc length </em>

<em>            θ = angle in radians</em>

<em />

Plug in the values in the equation

<h3>3 = (8) (θ)</h3><h3>θ = 3/8 </h3><h3>0.375 rad</h3>

5 0
4 years ago
What is 8.41 times 10 to the negative 5th power minus 7.9 times 10 to the negative 6th power?
chubhunter [2.5K]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Someone help please I'm really stuck on these questions and I need help please I need to bring this in tomorrow please help
AysviL [449]
1) 1
2) PA: between 2 and 3.
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7 0
3 years ago
Y=x+8 y=9x+72 substitution
irina [24]
(Y,X) = (72,8)
I think this is the right answer it has been a while since I had math sorry. Hope this helps
7 0
3 years ago
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