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3 years ago

What does expression equivalent mean?

Mathematics

1 answer:

Studentka2010 [4]3 years ago

7 0

Answer:

Step-by-step explanation:

Equivalent expressions are expressions that are the same,even though they might look different. If you plug in the same variable value into equivalent expressions they will each give you the same value when you simplify.

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Using the digits 0 to 9 at most one time each,fill in the boxes below to write equations whose solution is -1/2

Lena [83]

Answer:

The equations whose solutions are -1/2 are:

1. 4x + 1 = 6x + 2

2. 3x + 7 = 5x + 8

Step-by-step explanation:

Using the digits 0 to 9 at most one time each, the equations whose solutions are -1/2 are:

1. 4x + 1 = 6x + 2

-2x = 1

x = -1/2

2. 3x + 7 = 5x + 8

-2x = 1

x = -1/2

3 0

3 years ago

An arithmetic sequence begins as follows: a1=13 a2=19 Which of the following gives the definition of its nth term?

Otrada [13]

Answer:

the nth term of the sequence is $a_n=6n+7$

Step-by-step explanation:

Given : An arithmetic sequence begins as follows: $a_1=13, a_2=19$

To find : Which of the following gives the definition of its nth term?

Solution :

The nth term of the A.P is $a_n=a+(n-1)d$

The first term is $a=a_1=13$

The common difference is $d=a_2-a_1$

$d=19-13=6$

Substitute in the formula,

$a_n=13+(n-1)6$

$a_n=13+6n-6$

$a_n=6n+7$

Therefore, the nth term of the sequence is $a_n=6n+7$

5 0

3 years ago

100 points. Which is the graph of f (x) x - 1/ x2 - x 6

Dovator [93]

Answer: the answer is c

Step-by-step explanation:

5 0

1 year ago

Only 4 please i need it by tomorrow

seraphim [82]

No she is not correct she needs to go back to school and learn math

8 0

3 years ago

AM= 3x+4, MB=5x-6<br> AM=<br> MB=<br> AB=

Leviafan [203]

AB= 3x+4 + 5x-6 = 8x-2

the others are just what they are given as

3 0

3 years ago