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Pavlova-9 [17]
3 years ago
12

Twice n is greater than or equal to 48

Mathematics
1 answer:
yaroslaw [1]3 years ago
4 0

Answer:

n is greater than or equal to 24

Step-by-step explanation:

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What is the difference of the rational expressions below? 2/x-2 - 3/x
VashaNatasha [74]

Answer: \frac{6-x}{x^{2}-2x}

Step-by-step explanation:

Find the least common multiple (LCM) of the denominators. This is:

LCM=x(x-2)

Divide the LCM by each denominator and multiply the result by each numerator, then you obtain:

\frac{2x-3(x-2)}{x(x-2)}

Apply the distributive property, then you obtain:

\frac{2x-3x+6}{x^{2}-2x}

Add like terms, then you obtain:

\frac{6-x}{x^{2}-2x}

8 0
3 years ago
Read 2 more answers
On January 1, 2010, Joline deposits $1000 in a bank account that does not earn interest. For the next 12 months she deposits $25
hjlf

Answer:

$1000 + $25m and $1300 - 25m ;

1100 + 2.75m

2010 (4th month)

2011 ( 7th month)

Step-by-step explanation:

Joline's account :

Initial deposit = $1000

Monthly deposit = $25

Monthly withdrawal = $25

Number of months = 12

Let m = number of month at any point in time

Initial deposit + total deposit

Amount in Joline's account ; first 12 months

$1000 + $25m - - - (1)

Next 12 months :

$1000 + $25 *12 - 25m

1300 - 25m

Sofia's account :

Deposit amount = $1100

Interest per month = 0.25% = 0.0025

1100 + (1100 * 0.0025 * m)

1100 + 2.75m - - (2)

To find the month:

Equate equation 1 and 2, then find m

$1000 + $25m = 1100 + (1100*0.0025*m)

1000 + 25m = 1100 + 2.75m

25m - 2.75m = 1100 - 1000

22.25m = 100

m = 100 / 22.25

m = 4.494

In year 2010, they have approximately the same amount in the fourth month

1300 - 25m = 1100 + 2.75m

1300 - 1100 = 2.75m + 25m

200 = 27.75m

m = 200 / 27.75

m = 7.207

In 2011 ; they have approximately the se amount in the 7th month

4 0
3 years ago
There are 47 students in a class and 35 of these students passed their Geometry test.
Dafna11 [192]

Answer:

74.47%

Step-by-step explanation:

Divide the total number of students by the number who passed

passed/total

35/47

0.74468085

As a percent:

0.74468085*100=74.4680851

Rounded to the nearest hundreth:

74.4680851

74.47%

So, 74.47% passed the geometry test

Hope this helps! :)

5 0
3 years ago
Part A: Bill earned $12 walking his neighbors' dogs on Saturday. He earned some extra money on Sunday doing the same thing. Writ
Ainat [17]

Answer:

Part A 12+X PartB 2+2x

8 0
3 years ago
Solve F(x) for the given domain. <br> F(x) = x 2 + 3x - 2 <br> F(-1) = <br> -4<br> -6<br> 2
Marianna [84]
Hello : 
<span>F(x) = x² + 3x - 2
</span><span>F(-1) = (-1)²+3(-1) -2
</span>F(-1) = 1 - 3 -2 =1 - 5 
F(-1) = -4
5 0
3 years ago
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