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DiKsa [7]
3 years ago
10

Yalll n-4 = 3n + 6 do me a favah

Mathematics
2 answers:
muminat3 years ago
8 0

Answer:

n=-5

Step-by-step explanation:

-4=2n+6

-10=2n

-5=n

Otrada [13]3 years ago
5 0
<h2>Answer:</h2><h2>n=-5</h2>

n

-

4

=

3

+

6

n-4=3n+6

n−4=3n+6

Solve

1

Add

4

4

4

to both sides of the equation

−

4

=

3

+

6

n-4=3n+6

n−4=3n+6

−

4

+

4

=

3

+

6

+

4

n-4+{\color{#c92786}{4}}=3n+6+{\color{#c92786}{4}}

n−4+4=3n+6+4

2

Simplify

3

Subtract

3

3n

3n

from both sides of the equation

4

Simplify

5

Divide both sides of the equation by the same term

6

Simplify

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Maria invests $6,154 in a savings
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Answer:

$13286.02

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Solve the system using elimination.<br> 2x + 18y = -9<br> 4x + 18y = -27
Elan Coil [88]

First, let's cancel out the x by multiplying 2x + 18y = -9 by -2.

-2 ( 2x + 18y = -9) = -4x -36y = 18

Then, we combine the two equations.

-4x + 4x = 0

18y - 36y = -18y

-27 + 18 = -9

Our new equation is -18y = -9.

Now, divide both sides by -18.

-18y / -18 = y

-9/ -18 = 1/2

y = 1/2

We can plug in a value for y since y = 1/2 now.

Let's use 2x + 18y = -9

Plug in y.

2x + 18(1/2) = -9

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Then, subtract 9 from both sides.

2x = -18

Divide by 2.

2x/2 = x

-18/2 = -9

x = -9

Lastly, we can plug in both x and y values to see it works.

2(-9) + 18(1/2) = -9

-18 + 9 = -9

Therefore, the values of x and y does work.

x = -9

y = 1/2

4 0
3 years ago
A die is rolled 3 times. What is the probability of getting 1’s on each roll?
meriva

Answer: The answer is around 16.66%

4 0
3 years ago
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The lengths of the sides of a triangle are in the ratio 3:4:5. Find the lengths of the sides of this triangle if its perimeter i
Strike441 [17]

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Step-by-step explanation:

16;32;48

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4 0
3 years ago
Jack’s first weight increased by 20% and then his new weight decreased by 25%. His final weight is what percent of his beginning
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Lets suppose his initial weight was 60 kilograms

A gain of 20%  would make his new eight  60 + 20*60/100

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he lost 25% of this:-

= 72 -   25 * 72/100 =  54 kg

This = (54/60) * 100  = 90% of his beginning weight  Answer


8 0
4 years ago
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