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iVinArrow [24]
3 years ago
13

If you know it please tell me it would help a lot

Mathematics
1 answer:
geniusboy [140]3 years ago
5 0
7n \le 21

Divide both sides by 7.

n \le 3

n must be less than or equal to 3. n can be 3 or any number under 3.

For example, n can be 1, 2, 3.
You might be interested in
What is the range of f(x)=4^x
Lerok [7]

Answer:

y>0

all positive real numbers

Step-by-step explanation:

the range is the output values

this will always be greater than 0

Range : y>0



7 0
3 years ago
Read 2 more answers
Find the product.<br><br> (23)(−98)(−45)(−1)<br> Enter the correct product in the box.
torisob [31]

Answer:

-101,430

Step-by-step explanation:

23 x 98 x 45 x 1 equals 101,430, but the real trick of the question is whether it is positive or negative.

23(-98) forms a negative number (-2,254)

-2254(-45) forms a positive number (101,430)

101,430(-1) forms a negative number (-101,430)

4 0
3 years ago
Use the commutative property for addition to rearrange the algebraic expression 5x-7y-8x+y
BartSMP [9]

You want to use the addition property, so you need to ADD each term. Just change the minuses to pluses, making sure you keep the negative with the number


5x-8x-7y+y =

5x + -8x + -7y +y

5 0
3 years ago
I need some help on these 3 questions :)
wlad13 [49]

The factor of the polynomial, the area of the pool and the simplified expression are all algebraic expressions

<h3>How to simplify the expressions?</h3>

<u>Factor of the polynomial</u>

The polynomial is given as:

2x^3 + 6x^2 + 6x + 18

Factor out 2

2x^3 + 6x^2 + 6x + 18 = 2(x^3 + 3x^2 + 3x + 9)

Factorize

2x^3 + 6x^2 + 6x + 18 = 2(x^2(x + 3) + 3(x + 3))

Factor out x + 3

2x^3 + 6x^2 + 6x + 18 = 2(x^2 + 3)(x + 3)

Expand

2x^3 + 6x^2 + 6x + 18 = (2x^2 + 6)(x + 3)

Hence, 2x^2 + 6 is a factor of the polynomial 2x^3 + 6x^2 + 6x + 18

<u>The length of the pool</u>

The given parameters are:

Area = 2x^3 - 29x + 12

Width = x + 4

The length is calculated as:

Length = Area/Width

This gives

Length = 2x^2 - 29x + 12/x + 4

Factorize the numerator

Length = (2x^2 - 8x + 3)(x + 4)/x + 4

Cancel out x + 4

Length = 2x^2 - 8x + 3

Hence, the length of the pool is 2x^2 - 8x + 3

<u>Simplify the expression</u>

The expression is given as:

(3s^2 - 2s + 1) \div (s^2 - s + 2)

Evaluate the quotient

3 + (s - 5)/(s^2 - 5 + 2)

Hence, the simplified expression is 3 + (s - 5)/(s^2 - 5 + 2)

Read more about algebraic expressions at:

brainly.com/question/2164351

3 0
2 years ago
These are hard for me
Vlada [557]
3. C
4. 2
5. C
hope this helps:)
3 0
3 years ago
Read 2 more answers
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