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Anit [1.1K]
2 years ago
5

Solve for n. Write your answer as a proper fraction or as a whole or mixed number 3(2n – 4) - n = (n + 4) n =

Mathematics
1 answer:
hichkok12 [17]2 years ago
6 0

Solution

For this case we have the following equation given:

And we can distribute the terms first ans we got:

6n-12-\frac{1}{4}n=\frac{3}{4}n+3

Then we can aggrupate the terms like this:

6n-\frac{1}{4}n-\frac{3}{4}n=12+3

Then we can solve for n like this:

6n-1n=15

5n =15

n = 15/5= 3

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Hope this help ……………………..

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3 years ago
2x² + x + 10 = 0 dengan rumus abc​
Gala2k [10]

Answer:

a = 2, b = 1 and c = 10

Step-by-step explanation:

The given equation is 2x² + x + 10 = 0 ...(1)

The general form of a quadratic equation is given by :

ax²+bx+c=0 ...(2)

We need to find the values of a,b and c in the given equation.

Comparing equation (1) and (2),

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4 years ago
A biker traveled 20 miles in 4 hours. A unit rate to describe this would be 5 miles per hour. What is another unit rate in this
alex41 [277]
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4 0
4 years ago
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A rectangular driveway has an area of 880 square feet and a perimeter of 128 feet. What are the dimensions of the driveway?
mamaluj [8]

Answer:

Dimensions are 20 X 44 feet

Step-by-step explanation:

First we need to build two equations:

For area X times Y = 880

For Perimeter 2x + 2y = 128

Now we need to solve one so we can substitute it into the other:

2x + 2y = 128 becomes

2x = 128 - 2y and then

x = 64 - y We will substitute this into the are equation

(64 - y)y = 880

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factor out the negative

-(y^{2} - 64y +880 = 0

Factor:

-(y - 20)(y - 44) = 0

y-20 = 0 and y - 44 = 0

y = 20 and y = 44

Plugging these in two both of our formulas works

20 X 44 = 880 for area

2(20) + 2 (44) = 128 for perimeter

8 0
3 years ago
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s344n2d4d5 [400]
The mean for both is under 700

The mean for the second is 653.13.
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3 years ago
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