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Nesterboy [21]
2 years ago
13

Simplify the expression: 4m/(4m2−1) − (2m+1)/(6m−3) + (2m−1)/(4m+2)

Mathematics
1 answer:
Alex787 [66]2 years ago
5 0

sorry i dont know Step-by-step explanation:


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Select the equation of the line parallel to the equation y = -2x - 7 that passes through the point (3, 1).
sasho [114]
Y = -2x - 7 
slope = -2 (parallel shares the same slope, -2)

Option A:
y = -2x + 7
slope = -2

At (3, 1)
y = -2(3) + 7 = 1

Answer: Option A
7 0
3 years ago
Simplify these fraction 9 1/3-5 3/4
poizon [28]

Answer : 3 7/12

Hope it helps yah (◕ᴗ◕✿)

8 0
3 years ago
Read 2 more answers
Q7.
VLD [36.1K]

Answer:

10

Step-by-step explanation:

Let c = sum of ages of all children.

mean age of all children = c/15 = 7

c = 15 * 7 = 105

The sum of the ages of all children is 105.

Let b = sum of ages of the 9 boys.

mean age of boys = b/9 = 5

b = 9 * 5 = 45

The sum of the ages of the boys is 45.

The sum of the ages of the girls is c - b.

c - b = 105 - 45 = 60

The number of girls is 15 - 9 = 6

mean age of girls = (sum of ages of the girls)/(number of girls) =

= 60/6 = 10

3 0
3 years ago
What is 17.70 = 7/2m + 13.50 ?
Fantom [35]

<u>answer:</u>  m = 1.2

<u>work:</u>

17.70 = \frac{7}{2} m + 13.50  | subtract 13.50 and move it over

4.2 = \frac{7}{2}m  | divide by 7/2

1.2 = m  | final answer

6 0
3 years ago
One number is six times as large as a certain smaller number. Let x represent the smaller number. Write the larger number in ter
Svetach [21]

One number is six times as large as a certain smaller number.

i.e., Y  = 6x

Answer is 6x

3 0
3 years ago
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