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Thepotemich [5.8K]
3 years ago
14

4.5.11

Mathematics
1 answer:
NISA [10]3 years ago
4 0

Answer:B?

Step-by-step explanation:

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There were 1372 million fewer barrels of crude oil produced in country A in 2009 than there were in country B. Find the number o
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Easy, the answer is 1,588 million barrels of oil produced in country B... just add 1372 to 216...
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4 years ago
Which angles are adjacent angles?
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Answer:

CBX and FCB

Step-by-step explanation:

trust me

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A cylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. What is the radius o
Natasha_Volkova [10]

Answer:

<h2>A) 3 cm</h2>

Step-by-step explanation:

The formula of a volume of a cylinder:

V=\pi r^2H

r - radius

H - height

We have r = 1cm and H = 21cm. Substitute:

V=\pi(1^2)(21)=21\pi\ cm^3

The formula of a cone:

V=\dfrac{1}{3}\pi r^2H

r - radius

H - height

We have V = 21π cm³ and H = 7cm. Substitute:

\dfrac{1}{3}\pi(r^2)(7)=21\pi        <em>divide both sides by π</em>

\dfrac{1}{3}(7)(r^2)=21         <em>divide both sides by 7</em>

\dfrac{1}{3}r^2=3         <em>multiply both sides by 3</em>

r^2=9\to r=\sqrt9\\\\r=3\ cm

5 0
3 years ago
Read 2 more answers
An employee earns $480 per week. They are entitled to 4% vacation pay. How much vacation pay should they receive per week?
Zarrin [17]

Answer:

480 * 0.04 = 19.2

$19.20

6 0
3 years ago
Which ordered pair makes both inequalities true<br> Y&lt;-x+1<br> Y&gt;x
goldfiish [28.3K]

Answer:

x = -1  ; y = 1

Step-by-step explanation:

x = -1

y = 1

Plug in the corresponding numbers to the corresponding variables:

y < -x + 1

(1) < -(-1) + 1

1 < 1 + 1

1 < 2 (True)

y > x

1 > -1 (True).

~

7 0
3 years ago
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