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raketka [301]
2 years ago
12

Solve the equation -3k+6=15

Mathematics
1 answer:
Assoli18 [71]2 years ago
8 0

Answer:

K= -3

Step-by-step explanation:

-3k+6=15

     -6   -6

-3k=9

/-3  /-3

k=-3

subtract 6 from both sides.

divide each side by -3 to get K alone

-3 is your answer.

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a traveler has 7 pieces of luggage . how many ways can the traveler select 3 pieces of luggage for a trip
7nadin3 [17]
Well, you could assign a letter to each piece of luggage like so...

A, B, C, D, E, F, G

What you could then do is set it against a table (a configuration table to be precise) with the same letters, and repeat the process again. If the order of these pieces of luggage also has to be taken into account, you'll end up with more configurations.

My answer and workings are below...

35 arrangements without order taken into consideration, because there are 35 ways in which to select 3 objects from the 7 objects.

210 arrangements (35 x 6) when order is taken into consideration.

*There are 6 ways to configure 3 letters.

Alternative way to solve the problem...

Produce Pascal's triangle. If you want to know how many ways in which you can choose 3 objects from 7, select (7 3) in Pascal's triangle which is equal to 35. Now, there are 6 ways in which to configure 3 objects if you are concerned about order.

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3 years ago
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Andrej [43]

Answer:350km

Step-by-step explanation:

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3 years ago
Find segment ET. Please and thank you​
Solnce55 [7]

Answer:

x=9

Step-by-step explanation:

Use the intersecting chord theorem:

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42x+42 = 30x + 150

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4 0
2 years ago
Kim was solving a problem using the six steps. First, she read the problem. Then she wrote down the facts and figures. Next, she
tia_tia [17]

<em>The answer would be 1 1/5 </em>

<em> </em>

<em>48/40 = 1 8/40 </em>

<em> </em>

<em>1 8/40 Simplify to 1 1/5 </em>

<em> </em>

<em>Hope this helps! </em>

   

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8 0
3 years ago
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4. 927 is divisible by 3 and 9
Serga [27]
4.true
5.false
6.true
7.true
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3 0
3 years ago
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