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artcher [175]
3 years ago
12

2/3 - 3/7 explain, please...

Mathematics
2 answers:
Artemon [7]3 years ago
7 0
Find a common denominator
the common denominator of 7 and 3 is 21
2/21 - 3/21
change the numerator
14/21 - 9/21 =5/21
Masteriza [31]3 years ago
3 0

Answer: <em>8/21</em>

Answer and work are in the picture!

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Papessa [141]
She can plant 34 plants in all. If you multiply 34 and 2 you will get 34 and I think that is the answer.
5 0
3 years ago
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What is f(3) for the quadratic function<br>f(x)=2x2 + x – 12?<br>F -3<br>G 3<br>H 6<br>I. 9​
PolarNik [594]

Answer:

f(3) = 9

Step-by-step explanation:

Wherever you see an x on the right, put a 3 in for that x

f(x) = 2x^2 + x - 12

f(3) = 2*(3)^2 + 3 - 12

f(3) = 2*9 + 3 - 12

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5 0
3 years ago
Simplify (3x + 7) - (4x -2)
Crank

Answer:

(3x + 7) - (4x -2) = 3x + 7 - 4x + 2  = 9 - x

7 0
2 years ago
7(3b-1)=2b-26 please help and give me step by step ☺️​
Colt1911 [192]

Answer:

b = -1

Step-by-step explanation:

7(3b-1): 7 goes into the numbers by multiplying. This will give you 21b-7.

So now the equation should be like 21b-7=2b-26.

-7 and 2b swap places, making 21b-2b=7-26. It will give you 19b= -19.

Finally divide the two numbers (-19 / 19) and the solution will be b= -1.

If I didn't make a clear answer or a good explanation, please comment. I sometimes mess up my steps, and this is my first time using this.

5 0
3 years ago
Read 2 more answers
What is 10/56 simplified
Margaret [11]
<em>\frac{10}{56}  </em>

<em>⇒numerator and denominator are divided (÷2)</em>

<em>=\frac{5}{28}</em>

<em>Good homework :)</em>
5 0
3 years ago
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