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Alla [95]
3 years ago
5

What are the factors of 21?

Mathematics
2 answers:
inysia [295]3 years ago
7 0
Factors of 21    1,3,7,21
BabaBlast [244]3 years ago
7 0
The factors will be 1,3,7,21
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What is the quotient?
AlexFokin [52]

Answer:

3/2

Step-by-step explanation:

● (-3/8) ÷(-1/4)

Flip the second fraction by putting 1 instead 4 and vice versa.

● (-3/8)* (-4/1)

-4 over 1 is -4 since dividing by 1 gives the same number.

● (-3/8)*(-4)

Eliminate the - signs in both fractions since multiplying two negative numbers by each other gives a positive number.

●( 3/8)*4

● (3*4/8)

8 is 2 times 4

● (3*4)/(4*2)

Simplify by eliminating 4 in the fraction.

● 3/2

The result is 3/2

7 0
3 years ago
Please help me answer
marshall27 [118]

Answer:

x=20

Step-by-step explanation:

3 0
3 years ago
So I have another math question that involves the same problem and so is 7 + 7x the same as 7x+ 7 i think it is but i'm not sure
BartSMP [9]

Answer:

it is

Step-by-step explanation:

because it addition it doesn't matter which way you put it

6 0
2 years ago
Read 2 more answers
Look at the image. thanks :)
gregori [183]

Answer:

B. (8, 4)

Step-by-step explanation:

Hope this helps!

3 0
2 years ago
Read 2 more answers
Solve the equation for y (y-3)^2=4y-12
Ket [755]
(y -3)^2 = 4y - 12

Expand.

(y-3)(y -3) = 4y - 12

y² - 6y + 9 = 4y - 12

y² - 6y -4y + 9 + 12 = 0

y² - 10y + 21 = 0

Factors are -7y and - 3y

y² - 10y + 21 = 0

y² - 3y - 7y + 21 = 0

y(y - 3) -7(y - 3) = 0

(y - 3)(y - 7) = 0

y-3 = 0   or    y - 7 = 0

y = 0 + 3  or  y = 0 + 7

y = 3 or 7
8 0
2 years ago
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