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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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7/3+3(2/3−1/3)^2 simplify
Aneli [31]

Answer:

2

Step-by-step explanation:

7/3+3(2/3−1/3)^2

=7/3+6/9-3^2/9

=7/3+6/9-9/9

=7/3+2/3-3/3

=6/3

=2

3 0
3 years ago
The measure of an angle is 8 degrees less than three times the measure of another angle. If the two angles are supplementary, wh
OLga [1]
Let x and y be the angles
X= 3•y-8
X+ y = 180
Substitute first relationship in second
3y-8+y=180
4y=180+8
Y =188/4= 47 degrees
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The measure of the large angle is
133 degrees
4 0
4 years ago
What’s the cot(180°) + (cos(180°)/sin(180°))
KatRina [158]

Answer:

the answer is 'undefined'

Step-by-step explanation:

Cot is defines as (cos x)/(sin x)

So we can rewrite our expression as...

(cos 180°)/(sin 180°) + (cos 180°)/(sin 180°)

or

2(cos 180°)/(sin 180°)

Cos 180° = 1, sin 180° = 0   (you get these from the unit circle)

so we have

2(1/0) = 2/0,  which is undefined, because we don't divide by zero

6 0
3 years ago
Please help me find out which value is closest to the perimeter of the window.
Snezhnost [94]

Answer:

10.35 is the closest to the perimeter of the window.

Step-by-step explanation:

hope it helps

3 0
3 years ago
Read 2 more answers
Describe the transformation from the graph of f(x) = x + 3 to the graph of g(x) = x − 7.
Alex777 [14]

Answer:

C. The graph g(x) = x − 7 is the result of translating the graph of f(x) = x + 3 down 10 units.

Step-by-step explanation:

C. The graph g(x) = x − 7 is the result of translating the graph of f(x) = x + 3 down 10 units.

7 0
4 years ago
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