4 years ago

The sum of x to the sixth power and 3 times x

Mathematics

1 answer:

Verdich [7]4 years ago

6 0

Crack open up the book

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Which expresions are equivalent to x+2y+x+2? <br><br> yall please help....

Iteru [2.4K]

Answer:

2x + 2y + 2

Step-by-step explanation:

x+ 2y + x +2 (combine like terms)

x + x + 2y + 2

2x + 2y + 2

8 0

3 years ago

|2x|=14

mafiozo [28]

x = +7 or -7

a = +3 or -3

x = +19 or -5

n = -5 or -7

p = +4 or -2

x = +11 or +1

a = -11 or -7

k = +16 or 0

m = -1 or 0

r = +6 or +1

5 0

3 years ago

Read 2 more answers

HELP PLEASE! <br> which expressions are equivalent to square root 1,120y^3

Anon25 [30]

Answer:

the answer would be 2 * 2 * y √2 * 5* 7 * y

Step-by-step explanation:

7 0

3 years ago

Find the inner product for (5,-1)*(-3,6) and state whether the vectors are perpendicular. a. 21; no c. -21; no b. 21; yes d. -21

nataly862011 [7]

Answer:

Step-by-step explanation:

If the dot product of the vectors is zero then they are perpendicular

(5, - 1) • (- 3, 6)

= (5 × - 3) + (- 1 × 6) = - 15 + (- 6) = - 15 - 6 = - 21 ≠ 0

Since product is not zero vectors are not perpendicular

7 0

3 years ago

Find the 75th term of the arithmetic sequence<br> 16, 15, 14,

slega [8]

Answer:

$a_{75}=-58$

Step-by-step explanation:

This is an arithmetic sequence:

$a_n=a_1+(n-1)d$

where d is the common difference and n is the index of any given term.

For the given sequence, the common difference is -1:

$15-16=-1\\14-15=-1$

Knowing both the common difference and the first term, you can write the equation for this sequence:

$a_n=16+(n-1)(-1)$

Then you can use that equation to find the 75th term:

$a_{75}=16+(75-1)(-1)\\a_{75}=16+(74)(-1)\\a_{75}=16-74\\a_{75}=-58$

3 0

3 years ago