MATHEMATICS MIDDLE SCHOOL

Determine whether the sequence is arithmetic, geometric, both, neither. 16,8,4,2,... is what

Answers

Answer 1

Answer:

Answer: It is a geometric series.

Step-by-step explanation:

Since we have given that

$16,8,4,2,...$

Here,

a = first term = 16

r = common ratio is given by

$(a_2)/(a_1)=(8)/(16)=(1)/(2)=(4)/(8)$

So, it becomes geometric progression, as it has common ratio rather than common difference.

Hence, it is a geometric series.

Answer 2

Answer: an arythmetic sequence involves addition and subtraction exg
2,4,6,8,10 ( +2)
10,8,6,4,2 (-2)

a geometric sequence involves multiplication or division exg
2,4,8,16 ( times 2)
16,8,4,2 (divide 2)

it is a geometric sequence because it involves multiplication

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Farmer Jan is a vegetable farmer who divides his field between broccoli crops and spinach crops. Last year, he grew 6 tons of broccoli per acre and 9 tons of spinach per acre, for a total of 93 tons of vegetables. This year, he grew 2 tons of broccoli per acre and 3 tons of spinach per acre, for a total of 31 tons of vegetables.

Answers

what is the question

What is 5d=470 and what is 8a=47

Answers

5d=470:

in this case we have to divide both sides by 5:

d=94

8a=47:

in this case we have to divide both sides by 8:

a=5.875

as a general rule, if you want to find out a value of a in
ab=c

you have to divide both sides of the equation by b (if it's not zero); then you will have left:

a=c/b

and if you calculate c/b, this will give you the answer

$5d= 470 \n \n d=470:5 \n \n \boxed{\boxed{d= 94}} \n \n 8a=47 \n \n a=47:8 \n \n \boxed{\boxed{a=5.875}}$

Pls help Simplify (7.4 × 10−8) − (3.8 × 10−9). Write the final answer in scientific notation.

3.6 × 101
3.6 × 10−1
7.02 × 10−8
7.02 × 10−9
(if you could explain how to do this that would really help)

Answers

Answer: Guess

(Reason: Guessing is important for your mind. it may be hard for to guess but id say im guess for this answer is)

1. 363.6

2.35

3.62.2

4.61.2

I hope it helps!

Anything you multiply in 10 you just need to move the dot one space right. So 7.4x10 is 74. Then, you need to subtract the 8 and you’re done with the first be parenthesis. (74-8=66). In the next parenthesis you do the same. 3.8x10 is 38 and 38-9 is 29. Now just subtract 38 from 66 and you have the answer.

Remember to always solve each parenthesis first, then do multiplying and division and in the end adding and subtracting. Good luck

Fraction as a mized number

Answers

Answer: sorry ion k

Step-by-step explanation:

What is the steps for solving 3x-10=84 and tell me what x equals

Answers

Answer:

31 1/3

Step-by-step explanation:

3x-10=84, given

3x=94, add 10 to both sides

x = 31 1/3, divide both by three

Answer:

3x = 84+10

3x = 94

x = 94/3

x = 31.33

Jay evaluated the expression 3x(3+12 (divided by)3)-4 for his first step he added 3+12 to get 15. What is jays error? Find the correct answer. ( sorry their was no division sign)

Answers

Jay should have applied division operation first, then addition operation.

What is PEMDAS?

The abbreviation PEMDAS is used to indicate the sequence of steps to be taken when resolving expressions with multiple operations. P is for "parentheses," E is for "exponents," M is for "multiplication," D is for division, A is for addition, and S is for subtraction.

Given:

We have an expression,

3 × (3 + 12 ÷ 3) - 4.

In order to solve the problem,

we can use PEMDAS.

First, we solve parenthesis,

and division.

3 × (3 + 4) - 4.

Now,

3 × 7 - 4.

Now, multiplication,

21 - 4.