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Alona [7]
4 years ago
10

What is the quotient? a-3/7 - 3-9/21

Mathematics
2 answers:
Ivanshal [37]4 years ago
8 0
<h3>I'll teach you how to solve a-3/7 - 3-9/21</h3>

--------------------------------------------------------

a-3/7 - 3-9/21

Group like terms:

a - 3/7- 9/21- 3

Cancel 9/21 to 3/7:

a-3/7-3/7-3

Combine the fractions:

a- 6/7- 3

Convert element to fraction:

3*7/3 - 6/7

Since the denominators are equal combine the fractions:

-3*7-6/7

-3*7-6= -27

-27/7

Apply the fraction rule:

a- 27/7

Your Answer Is a - 27/7

plz mark me as brainliest :)

Ad libitum [116K]4 years ago
8 0
A-27/7 is the answer to this question
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4 0
3 years ago
20×^2-30x-40 solve for x
Oduvanchick [21]

Answer:

x = 12

Step-by-step explanation:

Solve for x:

360 - 30 x = 0

Subtract 360 from both sides:

(360 - 360) - 30 x = -360

360 - 360 = 0:

-30 x = -360

Divide both sides of -30 x = -360 by -30:

(-30 x)/(-30) = (-360)/(-30)

(-30)/(-30) = 1:

x = (-360)/(-30)

The gcd of 360 and -30 is 30, so (-360)/(-30) = (-(30×12))/(30 (-1)) = 30/30×(-12)/(-1) = (-12)/(-1):

x = (-12)/(-1)

(-12)/(-1) = (-1)/(-1)×12 = 12:

Answer:  x = 12

4 0
4 years ago
URGENT!: Which best explains why these two figures are similar or not similar?
-BARSIC- [3]

Answer:

These two figures are similar because \frac{5}{3} equals \frac{15}{9}.

Step-by-step explanation:

The figures will be similar if their ratios of the two sides are equal. So we need to check the ratios of the figures to see if they are similar or not.

For the smaller figure the ratio is \frac{5}{3}, and for the bigger figure the ratio is \frac{15}{9}. which upon simplification reduces to  \frac{5}{3}.

So we see that the ratios are equal. Thus the figures are similar.

7 0
3 years ago
Find the area of a circle with a diameter of 5 cm.
slavikrds [6]

Answer:

5 squares the times it by pi (pi equals 3.14 btw)

Step-by-step explanation:

5 squared is 25

6 0
3 years ago
Which kingdom was divided into provinces ruled by governors who reported to the king? a Ghana b Mali c Songhai
Vera_Pavlovna [14]

Answer: Songhai

explanation:

7 0
3 years ago
Read 2 more answers
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