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Vikentia [17]
3 years ago
11

Given a 10 foot length of tree trunk with a radius of 3 feet, what is the weight of the tree trunk section if it has a density o

f 45 lb/ft3?
Mathematics
1 answer:
Nutka1998 [239]3 years ago
6 0

treat the tree trunk as a cylinder

v= pi x r^2 x h

using 3.14 for pi

3.14 x 3^2 x 10 = 282.6 cubic feet

282.6 * 45 =  12, 717 pounds

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If m&lt;7 is 2x + 30 and m&lt;28 is 3x - 10, find the<br> following:
topjm [15]

Answer:

x = 32

m∠7 = 94

m∠8 = 86

m∠3 = 94

Step-by-step explanation:

(2x + 30) + (3x - 10) = 180

5x + 20 = 180

5x = 160

x = 32

m∠7 = 2(32) + 30 = 94

m∠8 = 3(32) - 10 = 86

<u>or</u>

m∠8 = 180 - 94 = 86

<u>m∠3 ≈ m∠7</u> (corresponding angles)

3 0
3 years ago
after 3/4 of a minute a sloth has moved just 3/8 of a foot. what is the sloths speed in feet per minute
grigory [225]
 I think this is how you do it: You would multiply 3/8 to 3/4 min...then convert into decimal..and get 0.5 min.
5 0
3 years ago
How many real sixth roots are in 15,625?
Murljashka [212]

There are two real roots  (5 and -5) and 4 imaginary roots

3 0
3 years ago
The pool at "Splash Around" is open for 14 weeks during the summer. You can swim for $6 a session, or you can buy a membership f
iris [78.8K]
Price before membership= price 1 = $6
price after membership = price 2 = $4
Membership price = $100
SO according to price 1 and price 2; price after membership saves up $2 for each session.
Hence to justify the price of membership number of sessions can be calculated as follows:-
$2 saved = 1 session
to make it $100 multiply both sides by 50
2×50 = 1×50
100$ saved = 50 sessions
so 50 sessions ate required to justify buying the membership.


Hope this helped :)
4 0
3 years ago
Read 2 more answers
Using the diagram below, what is the measure of ZE?
matrenka [14]

The measure of angle E is (b) 50°

<h3>How to determine the angle measure?</h3>

The given parameters are:

  • ΔCAB is similar to ΔCED
  • AB and ED are parallel

The similarity of the triangles implies that:

  • angle C = angle C
  • angle A = angle E
  • angle B = angle D

From the figure, we have:

angle A = 50

Substitute angle A = 50 in angle A = angle E

angle E = 50

Hence, the measure of angle E is (b) 50°

Read more about similar triangles at:

brainly.com/question/14285697

#SPJ1

7 0
1 year ago
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