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liberstina [14]
3 years ago
7

Which is a factor of 21? 4 3 6 5

Mathematics
2 answers:
arsen [322]3 years ago
3 0

Answer:

3

Step-by-step explanation:

Using listing:

1 \times 21 = 21

3 \times 7 = 21

No other factors are possible.

Hence, 1, 3, 7 and 21 are factors of 21.

Nadusha1986 [10]3 years ago
3 0

Answer: 3

Step-by-step explanation:

3 is the only number you can multiply to get 21. Example 3x7=21

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Kaylis [27]

Answer:

0.77

Step-by-step explanation:

I just guessed

3 0
3 years ago
Read 2 more answers
rectangle will have length 3n+ 6 and height 2n−1 inches, while the square will have side length n+ 2inches. Find the perimeter a
kifflom [539]

Answer:

Perimeter: 2(3x+6)+ 2(2x-4)

X=9

Step-by-step explanation:

In order to create the expression you just have to remember that the perimeter of a rectangle equals 2 bases plus 2 sides, so the expression would be:

Perimeter: 2(heights)+ 2(bases)

Perimeter: 2(3x+6)+ 2(2x-4)

IN order to solve for X we just have to insert the value of perimeter, which is 94:

Perimeter: 2(3x+6)+ 2(2x-4)

94=2(3x+6)+ 2(2x-4)

94= 6x+12+4x-8

94=10x+4

94-4=10x

x=90/10

x=9

So the value of x would be 9.

6 0
2 years ago
NEED HELP ASAP!! IF YOU ANSWER RIGHT ILL MARK YOU BRAINLIEST!!
goblinko [34]
Y = 5x + 4
Gradient = slope = 5
(0,4) = y - intercept
7 0
3 years ago
Help me please, you gonna be my hero
Lisa [10]

The rate of change of the relationship is 6/5

<h3>Rate of change of a line</h3>

The rate of change of a line is also known as the slope of the line. The formula for calculating the slope of a line is expressed as:

Slope =y2-y1/x2-x1

Given the coordinate points (-3,-2) and (2, 4). On substituting;

Slope = 4-(-2)/2-(-3)

Slope =4+2/2+3

Slope = 6/5

Hence the rate of change of the relationship is 6/5

Learn more on rate of change here: brainly.com/question/25184007

#SPJ1

8 0
2 years ago
Diego takes more than twice as long to assemble a computer as Kenneth does. Kenneth assembles a computer in 24 minutes. If Diego
Anastasy [175]
The answer to this problem is D<span />
6 0
3 years ago
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