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Elina [12.6K]
3 years ago
15

How do you solve -6n-20=-2n+4 (1-3n)

Mathematics
1 answer:
DedPeter [7]3 years ago
3 0
-6n-20=-2n+4-12n
-6n-20=-14n+4
+6n       +6n
-20=-8n+4
-4          -4
-24=-8n
/8     /8
n=-3
         -
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does anyone understand this or can anyone explain what i need to do please ?? there’s no instructions
Contact [7]

Answer:

nah man... good luck tho

3 0
2 years ago
Sam bought six new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are n
victus00 [196]

Answer:70

Step-by-step explanation:

multiply 38 to get 76 and then subtract 6

4 0
3 years ago
Read 2 more answers
Ace Landscape buys 100 shovels for $15 each. Ace sells all 100 shovels at $29.99. What is his profit?
Yanka [14]
$29.99=$30
$30-$15=$15 
Ace's profit is $15
7 0
3 years ago
The scores on a test for a sample of 42 statistics students are summarized in the following table. 9, 90, 18, 80, 15, 70. Find t
igomit [66]
<h3>Answer:   78.6</h3>

Work Shown:

\begin{array}{|c|c|} \cline{1-2}\text{Number of People} & \text{Score}\\\cline{1-2}9 & 90\\\cline{1-2}18 & 80\\\cline{1-2}15 & 70\\\cline{1-2}\end{array}

Multiply across the rows to form a third column. Example: 9*90 = 810 in the first row.

\begin{array}{|c|c|c|} \cline{1-3}\text{Number of People} & \text{Score} & \text{Number*Score}\\\cline{1-3}9 & 90 & 810\\\cline{1-3}18 & 80 & 1440\\\cline{1-3}15 & 70 & 1050\\\cline{1-3}\end{array}

The values in the third column add to 810+1440+1050 = 3300

Divide this over the total number of people which is 9+18+15 = 42

The mean is 3300/42 =78.571 approximately which rounds to 78.6

5 0
2 years ago
Janice used a 16-inch dowel and a 21-inch dowel to build a kite what is the perimeter of her kite
marusya05 [52]
16x2=32
21x2=42
32+42=54

the perimeter is 54
6 0
3 years ago
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