Find the common difference of the arithmetic sequence -7,-4,-1,...

Answers

Answer 1

Answer:

Answer: 3

Step-by-step explanation: The common difference of an arithmetic sequence is the constant difference between consecutive terms. To find the common difference, we can subtract any term from its previous term. In this case, we can subtract -4 from -7 or -1 from -4. Both subtractions yield a result of 3. Therefore, the common difference of the arithmetic sequence -7, -4, -1, … is 3

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Fifty pounds of a cement-and-sand mixture is 40% sand.How many pounds of sand must be added for the resulting mixture to be 60% sand?

Answers

To get the answer you would have to multiply fifty by .4 to get 20. now you know that 20 is 2/5 of the bad and 1/5 must be 10. So you would multiply 10 by 3 to get to 3/5 so you can have 60%. The final answer is 30

Find the least common denominator 11 over 8 and 1 over 12

Answers

The least common denominator of 11/8 and 1/12 is 24. Since 24 is divisible by 12, as well as the number 8. Wherein, each answers will result to a whole number. Being, 24/8 is equal to 3 and 24/12 is equal to 2.

Simplify. a2 · a5 a3 A) a3 B) a4 C) a7 D) a10

Answers

Answer:

its B , a4 i jus took the test & got a 100 .

Step-by-step explanation:

$a^(10)$ , that is D

when multiplying like variables add the exponents

= $a^(2+3+5)$ = $a^(10)$

Solve the equation: 6x - 4 + 2(5x + 2) = 16x*1.) 0
2.) 1
3.) -2
4.) Infinitely Many
5.) No Solution

Answers

The answer is that there is no solution.

The problem would be 16x = 16x so there is no solution.

Compare the decimals 18.10 and 18.1. Which comparison is correct? A. 18.10 = 18.1 B. 18.10 > 18.1 C. 18.10 < 18.1

Answers

18.10=18.1
The 0 in 18.10 does not affect the place value

The difference between two times a number and four is eight. Write the phrase as a algebraic equation

Answers

The algebraic equation will be written in this way 2x - 4 = 8.

What is an expression?

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that the difference between two times a number and four is eight. The expression will be written as below:-

2x - 4 = 8.

2x = 8 + 4

x = 12 / 2

x = 6

Therefore, the algebraic equation will be written in this way 2x - 4 = 8.

To know more about an expression follow

brainly.com/question/2164351

#SPJ2

Step-by-step explanation:

Let x represent the number.

Then 2x - 4 = 8.

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