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Marina CMI [18]
2 years ago
12

Solve : 2 (m + 1) = 3(m - 1)

Mathematics
2 answers:
siniylev [52]2 years ago
3 0

Step-by-step explanation:

hope this helps. if you have any questions don't hesitate to ask :))

Vikki [24]2 years ago
3 0

Answer:

m = 5

Step-by-step explanation:

Given

2(m + 1) = 3(m - 1) ← distribute parenthesis on both sides

2m + 2 = 3m - 3 ( subtract 2m from both sides )

2 = m - 3 ( add 3 to both sides )

5 = m

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The number of students in a chess club decreased from 17 to 10. What is
Svetllana [295]

Answer:

  • 41.18%

Step-by-step explanation:

  • Initial number = 17
  • Final number = 10

<u>Decrease in number:</u>

  • 17 - 10 = 7

<u>Percent decrease:</u>

  • 7/17*100% = 41.18% (rounded)
6 0
2 years ago
manuel ate 1/3 of the crackers on a plate. his brother ate 1/4 of the crackers. there were 5 crackers left on the plate. how man
Neporo4naja [7]

Answer:

there would have been 12 crackers on the plate at the start

Step-by-step explanation:

So 1/3 +1/4 = 7/12

Therefore 5/12 left on the plate …ie 5.

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Ans 12

5 0
3 years ago
Which expression is equivalent to n + n - 0.18n?
horrorfan [7]

n + n - 0.18n

We can rewrite it as

2n - 0.18n

And if we solve it

(2 - 0.18)n = 1.82n

So the equivalente expression is B.

5 0
3 years ago
Read 2 more answers
How do i find the answer of this math question or problem f(x) = 4x − 9?
Mademuasel [1]

Answer:

x = 9/4

Step-by-step explanation:

f(x) = 4x - 9

(first substitute f(x) with 0)

0 = 4× - 9

(Move four)

-4x = -9

=> x = -9/-4

= 9/4

6 0
2 years ago
How do you get the answer for 10 millimeters increased by 30%
tiny-mole [99]
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"of" means ×
"is" means =

30% of 10 is
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.30 × 10 = 3

So 30% of ten is 3. Now since we are increasing by 30%, we have to add it to the original value, 10.

3 + 10 = 13

So 10 millimeters increased by 30% is

13 millimeters
8 0
3 years ago
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