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Whitepunk [10]
2 years ago
6

ORDER FROM LEAST TO GREATEST FOR BRANLIEST

Mathematics
1 answer:
zimovet [89]2 years ago
8 0

Answer:

First: -0.86

Second: 3\sqrt{2}

Third: \frac{22}{5}

Fourth: 4.49

Step-by-step explanation:

For this, let's <u>convert all the numbers into decimals</u> to easily compare the values.

-0.86

3\sqrt{2}=4.24264 \\\\4.49\\\\\frac{22}{5}= 4.4

5

Now, we order them from least to greatest:

First: -0.86

Second: 3\sqrt{2}

Third: \frac{22}{5}

Fourth: 4.49

Fifth: 5

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1) Se o 5o e o 9-o termos de uma PA são, respectivamente, 40 e 68, então a razão r da progressão é: a) r = 6 b) r = 7 c) r = 9 d
Maslowich

Answer:

1) b) r = 7

2) e) 82

Step-by-step explanation:

Progressão aritmética:

Em uma progressão aritmética, a diferença entre termos consecutivos é sempre a mesma, chamada de razão.

O n-ésimo termo de uma PA é dado por, tomando o primeiro termo como referência:

a_n = a_1 + (n-1)r

Tomando o m-ésimo termo como referência, tem-se que:

a_n = a_m + (n-m)r

1) Se o 5o e o 9-o termos de uma PA são, respectivamente, 40 e 68, então a razão r da progressão é:

a_5 = 40, a_9 = 68. Então:

a_n = a_m + (n-m)r

68 = 40 + 4r

4r = 28

r = \frac{28}{4} = 7

Então a resposta correta é dada pela alternativa b.

2) Inserindo-se 6 números entre 72 e 107, de modo que a sequência (72, a2, a3, a4, a5, a6, a7 ,107) seja uma progressão aritmética, tem-se a3 igual a:

O primeiro termo é a_1 = 72 e o oitavo termo é a_8 = 107. Com isso, é possível encontrar a razão.

a_n = a_1 + (n-1)r

107 = 72 + 7r

7r = 35

r = \frac{35}{7} = 5

Então, o terceiro termo é:

a_3 = a_1 + 2r = 72 + 2(5) = 82

Logo, a resposta correta é dada pela alternativa e.

5 0
3 years ago
What is the 6th term of the geometric sequence below?
densk [106]

Answer:

C 64

Step-by-step explanation:

We are multiplying by 2 each time

1st term is 2

2*2 =4

2nd term is 4

4*2 =8

3rd term is 8

8*2 =16

4th term is 16

16*2=32

5th term is 32

32*2=64

6th term is 64

3 0
3 years ago
Read 2 more answers
When completely for a cube shaped container will hold 8000 cm³ of water. What is the length of an edge of the container
Mandarinka [93]
512 8,000 cm3 times 8000 by 3 and get 512000
8 0
3 years ago
What is the slope of the line that contains the points (-1,2) and (3,3)?
Nata [24]
The answer that you are looking for is B. 1/4.
6 0
4 years ago
Read 2 more answers
Can someone please help with this problem? ​
wolverine [178]

Answer:

153.86

Step-by-step explanation:

In the formula A= pi*r^2, we need the radius of the circle, but we do not have it. To find the radius of a circle, you will divide the diameter by 2.

14/2=7.

Now that we know that the radius is 7, we can fill in our measurements into the formula and find our answer.

A= 3.14(7^2)

A=3.14(49)

A= 153.86

The area of the circle is 153.86 cm^2.

Please give me brainliest, it's the least you can do ;)

5 0
3 years ago
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