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Dmitry_Shevchenko [17]
2 years ago
14

PLZ HELP, AM BEING TIMED​

Mathematics
1 answer:
aksik [14]2 years ago
6 0

Answer:

216

Step-by-step explanation:

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I NEED THIS ANSWER NOW! Determine which postulate or theorem can be used to prove that ABC DCB.
Archy [21]
Quick Answer SSS
Proof
AC = DB
AB = DC
BC = BC This side is equal to itself and is common to both triangles.

Three sides of one triangle equal to 3 sides of the other means that the triangles are congruent. It is the Theorem you need.
8 0
2 years ago
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I need some help on this question please
elena-s [515]

Answer:

15

Step-by-step explanation:

Ok so first you need to know how to calculate the volume of a cylinder

I will put the formula here:  V=πr2h

Since pi is equal to 3.14 as said in the problem we can simply divide 282.6 by pi, the radius and 2

That is equal to 282.6/3.14*3*2

A little calculation shows that, the answer is 15

Hope this helps :)

5 0
3 years ago
What is the sum of an infinite geometric series if the first term is 81 and the common ratio is 2⁄3?
Marrrta [24]

C

the sum to infinity of a geometric series  = \frac{a}{1-r}

where a is the first term and r the common ratio

= \frac{81}{\frac{1}{3} } = 81 × 3 = 243



4 0
3 years ago
Which of the following purchases shows the LEAST expensive unit price?
seraphim [82]

Step-by-step explanation:

9 apples for $4.23

Thats the answer

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