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Liono4ka [1.6K]
3 years ago
7

3n + 9 = 27 n = ? solve for n

Mathematics
1 answer:
Debora [2.8K]3 years ago
7 0

Answer:

6

Step-by-step explanation:

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Will mark brainlist if its right
pickupchik [31]

Answer: S<\-2

Hope i was some help.

Step-by-step explanation: sorry I can’t put the right sign my keybored won’t let me but you know what it stands for.

3s+6s</-5(s+2)

start off with -5(s+2) you multiply -5 with s and it is -5s then you do the same for +2 take -5 and multiply by +2 pos times a neg is always a neg so it’s -10.

3s+6<\-5s-10

So you have to get rid of the -5s so your going to do the inverse which is add 5 to -5 and it will get rid of -5s but then you have to add 5 to 3s and that will be 8s.

8s+6</-10

Now your going to get rid of the +6 and to do that you do the inverse you subtract 6 and it will get rid of it now you have to do the same for -10 so you will subtract 6 to -10 and that will equal -16.

Now you have to divide!

8s/8 </ -16/8

And it should equal s <\-2

3 0
2 years ago
This is a bit confusing?
kow [346]

9514 1404 393

Answer:

  • Noah: 3 cups
  • Lin: 4 cups

Step-by-step explanation:

When the 12-cup bag of sugar is divided evenly, each baker gets 6 cups.

There is no dot on Noah"s graph for 6 cups of sugar, so you have to extrapolate the given set of dots to see where it might be. You notice that each dot is 1/2 cup of flour more than the one to its left, so you expect that Noah will use 3 cups of flour for 6 cups of sugar.

__

Similarly, the table for Lin does not have an entry for 6 cups of sugar. Again, the next entry can be figured using the relations between previous entries. Here, each row for sugar goes up by 1 1/2 cups, so the next row would be 4 1/2 + 1 1/2 = 6 cups. And the rows for flour go up by 1 cup, so the next row for flour (for 6 cups of sugar) would be 4 cups of flour.

Lin will use 4 cups of flour for 6 cups of sugar.

__

<em>Alternate solution</em>

The relationship are proportional in both cases, so you can read the value for a smaller amount (2 cups or 3 cups of sugar), then multiply the value by an appropriate multiplier (3 or 2) to get the number of cups of flour for 6 cups of sugar.

Noah: 1 flour for 2 sugar ⇒ 3 flour for 6 sugar

Lin: 2 flour for 3 sugar ⇒ 4 flour for 6 sugar

4 0
2 years ago
2 3 2/15+ 5 2 8/15+ 1 6 1/15=​
allsm [11]

Answer:

91 11/15

Step-by-step explanation:

 23+2/15+52+8/15+16+1/15

=23+52+16+2/15+8/15+1/15

=91+11/15

8 0
3 years ago
Read 2 more answers
Find Sn for the given series if: a1=22 d=-8 n=21 <br><br> F)1911 G)-1449 H)-2436 I)-1218
GuDViN [60]

3∑x=2 72x5∑x=3 −2x−23∑x=3 −1x2

3 0
3 years ago
How do I find this for the inches 600, 700, 1,000
OlgaM077 [116]

Answer:

You have to find the inches then you have to either add or subtract them.

Step-by-step explanation:

4 0
3 years ago
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