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3 years ago

He

Mathematics

1 answer:

Mama L [17]3 years ago

6 0

So she had one Board and she cut it in two parts. I part is 1 7/8 feet long and the other part is 3 1/2 feet long

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Identify the sequence as arithmetic, geometric, both, or neither. 50, –50, 50, –50, . . . both arithmetic geometric neither desc

stellarik [79]

Answer:

The sequence is geometric.

Step-by-step explanation:

In Arithmetic sequence, there is a common difference between any two consecutive terms but in Geometric sequence, there is a common ratio between any two consecutive terms.

Given sequence is: 50, -50, 50, -50,.................

Lets assume, the terms as $a_{1}, a_{2}, a_{3}, a_{4},...........$

Checking for common difference:

$a_{2}-a_{1}= (-50)-(50)= -100\\ \\ a_{3}-a_{2}=(50)-(-50)=100\\ \\ a_{4}-a_{3}=(-50)-(50)=-100$

As there is no common difference, so it's not an arithmetic sequence.

Checking for common ratio

$\frac{a_{2}}{a_{1}}=\frac{-50}{50}=-1\\ \\ \frac{a_{3}}{a_{2}}=\frac{50}{-50}=-1\\ \\ \frac{a_{4}}{a_{3}}=\frac{-50}{50}=-1$

As there is a common ratio, so it's a geometric sequence.

8 0

3 years ago

Activity Question 1 When designing a truss, a truss builder might know the base angle measurement and the length of the tie beam

laiz [17]

Answer:

36.87°

Step-by-step explanation:

Assume the triangles are as in the diagram below.

∠BAC includes ∠DAE.

The measure of ∠BAE is 36.87°.

7 0

3 years ago

Are diagnoals of a parallelogram always perpendicular

sweet-ann [11.9K]

Answer:

yessirrrrrrrrrrrrrrrrrrrrrrtt

Step-by-step explanation:

yes

6 0

3 years ago

Whats a branch of mathmatics that uses variables

Ainat [17]

A branch of mathematics that uses variables is algebra

4 0

3 years ago

How many books can be stacked on top of one another inside a cupboard 1.21 m high on the inside, knowing that the thickness of e

kvasek [131]

Answer:

10 books approx

Step-by-step explanation:

Step one:

Given data

Hight of cupboard= 1.21m

Thickness of book= 12.5cm

thickness in meters= 12.5/100= 0.125m

Required

The number of books need to fill the Cupboard

Step two:

the number of books can be computed as

= 1.21/0.125

=9.68 book

=10 books approx

4 0

2 years ago