Ask question

Ask question

All categories

3 years ago

15

Explain why 2n+1 must be an odd number

1 answer:

Lorico [155]3 years ago

4 0

If is an integer (a whole number), then the expression represents an even number, because even numbers are the multiples of 2. The expressions 2 n − 1 and 2 n + 1 can represent odd numbers, as an odd number is one less, or one more than an even number.

You might be interested in

Find the value of each variables in the parallelogram

xenn [34]

Answer:

A = 28

B = 87

Step-by-step explanation:

18 + 10 = 28

103 -16 = 87

4 0

3 years ago

8. Calculate Cell A normally divides once every two days. If its control mechanisms aren't working correctly, cell A divides six

frozen [14]

Di keta entende eny more,1.07 ty

5 0

3 years ago

A cookie recipe that yields 24 cookies requires 1 3/4 cups of butter. When the ingredients in this recipe are increased proporti

erik [133]

Answer:

5 1/4

Step-by-step explanation:

* is multiplication

1 3/4 is 1.75

so

24/1.75 = 72/×

1.75 * 72 = 24 * x

126 = 24x

24x = 126

x = 5.25 or 5 1/4

8 0

3 years ago

The equations in the system below are equivalent.

Fynjy0 [20]

Equivalent systems = same line = infinite solutions

5 0

3 years ago

Read 2 more answers

4(3x+2y) distributive property pls help

Sonbull [250]

Answer:

$12x+8y$

Step-by-step explanation:

1) Expand by distributing terms.

$4*3x+4*2y$

2) Simplify 4*3x to 12x.

$12x+4*2y$

3) Simplify 4*2y to 8y.

$12x+8y$

<u>Therefor, the answer is </u><u>12x + 8y.</u>

8 0

2 years ago