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Daniel [21]
3 years ago
12

4(n-5)=6n+8 what does N equal?

Mathematics
2 answers:
OlgaM077 [116]3 years ago
6 0
<span><span>4<span>(<span>n−5</span>)</span></span>=<span><span>6n</span>+8</span></span>Step 1: Simplify both sides of the equation.<span><span>4<span>(<span>n−5</span>)</span></span>=<span><span>6n</span>+8</span></span><span>Simplify: (Show steps)</span><span><span><span>4n</span>−20</span>=<span><span>6n</span>+8</span></span>Step 2: Subtract 6n from both sides.<span><span><span><span>4n</span>−20</span>−<span>6n</span></span>=<span><span><span>6n</span>+8</span>−<span>6n</span></span></span><span><span><span>−<span>2n</span></span>−20</span>=8</span>Step 3: Add 20 to both sides.<span><span><span><span>−<span>2n</span></span>−20</span>+20</span>=<span>8+20</span></span><span><span>−<span>2n</span></span>=28</span>Step 4: Divide both sides by -2.<span><span><span>−<span>2n</span></span><span>−2</span></span>=<span>28<span>−2</span></span></span><span>n=<span>−14</span></span><span>
</span>
ICE Princess25 [194]3 years ago
6 0
Yeah, the answer is -14
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A blank is a unit rate with a denominator of 1 unit. What is the the blank?
Bumek [7]

A unit rate is a ratio that has a denominator of 1. A unit rate is also called a unit ratio. (They mean the same thing.)

\frac{5}{4} and 3:8 and 40\mbox{ to }10 are ratios, but they are not unit ratios.

\frac{1.25}{1} and 0.375:1 and 4\mbox{ to }1 are unit ratios.

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4 0
3 years ago
What is the determinant of <br><br>15<br><br>18<br><br>154
IgorC [24]

Answer:

The determinant is 15.

Step-by-step explanation:

You need to calculate the determinant of the given matrix.

1. Subtract column 3 multiplied by 3 from column 1 (C1=C1−(3)C3):

\left[\begin{array}{ccc}-25&-23&9\\0&3&1\\-5&5&3\end{array}\right]

2. Subtract column 3 multiplied by 3 from column 2 (C2=C2−(3)C3):

\left[\begin{array}{ccc}-25&-23&9\\0&0&1\\-5&-4&3\end{array}\right]

3. Expand along the row 2: (See attached picture).

We get that the answer is 15. The determinant is 15.

6 0
3 years ago
The subtotal on a restaurant bill was $45.00. The customer paid $47.81 after taxes, not including a tip. What was the tax rate?
Mars2501 [29]

Answer:

6.2 percent

Step-by-step explanation:

47.81 - 45 = 2.81

2.81/45

7 0
3 years ago
How do you write 3.5 as a sum
denpristay [2]
There is no sum for 3.5

3 0
3 years ago
Read 2 more answers
(6p+2-12)+(4p+4p)-(12p-5)
Pavel [41]

Answer: 2p - 5

Step-by-step explanation:

6p + 2 - 12 + 4p + 4p -12p + 5

2p - 5

5 0
3 years ago
Read 2 more answers
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