3 years ago

Evaluate 14 sigma n-1 3n+2

1 answer:

Mila [183]3 years ago

4 0

The answer is 2n-301

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Morgarella [4.7K]

You multiply 16 by 23 and you get 368

7 0

2 years ago

artcher [175]

Answer:

Step-by-step explanation:

x+120+36=180

x+156=180

x=180-156

x=24

3 0

2 years ago

statuscvo [17]

Answer:

S12=855735

Step-by-step explanation:

if the 3rd term is 45 then,

formula: Sn=ar^n-1

S12=5*3^12-1

S12=5*3^11

S12=5*177147

S12=855735

3 0

3 years ago

UkoKoshka [18]

The true statements about the triangles RST and DEF are: (a), (d) and (e)

<h3>How to determine the true statements?</h3>

The statement ΔRST ≅ ΔDEF means that the triangles RST and DEF are congruent.

This above implies that:

The triangles can be mapped onto each other by rigid transformations such as reflection, translation and rotation
The transformation does not include dilation
Corresponding sides are congruent

The above means that the possible true statements are: (a), (d) and (e)