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suter [353]
3 years ago
9

What is the value of n? 9×27+2×31-28=n

Mathematics
2 answers:
gregori [183]3 years ago
4 0
N=277 Hope this helps :)

skelet666 [1.2K]3 years ago
4 0
PEMDAS!! Parentheses exponents multiplication division adding subtracting
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Write a compound interest function to model each situation. Then find the balance after the given number of years.
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Answer:

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Step-by-step explanation:

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3 years ago
Natalie works in a doughnut shop. She packs doughnuts into boxes that each hold 12 doughnuts.
ehidna [41]

Answer:

16

Step-by-step explanation:

If each box holds 12 doughtnuts, and she packed a total of 1,272.

Then 1,272/12 is 16.

Therefore, she needs 16 boxes

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3 years ago
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Can anyone help me with this please :( . <br> This is due in a 1hr .
nlexa [21]

Answer:

Check below

Step-by-step explanation:

So 1 the relationship between the height of the tree and the time since it was planted is a set of unconnected points, since the tree eventually stops growing, it's not continuous.

2. The relationship is between the number of 12 dollar dvds and the total cost is a solid line, because you can buy an infinite amount of dvds so it's continuous.

3. The relationship between the height of a small child and the age of a small child recorded in months is a set of unconnected points. It's over the course of months, and he will eventually stop growing, so it's not continuos.

3 0
3 years ago
PLEASE HELP! due tmr! <br><br> 24<br> 26<br> 55<br> 99
SVETLANKA909090 [29]

Answer:

99°

Step-by-step explanation:

Internal Angles of triangles ALWAYS add up to 180°

So, 180° is our total.

We can form an equation. <em>x° + 55° + (4x - 5)° = 180</em>°

We can remove the brackets to form; <em>x° + 55° + 4x° - 5° = 180°</em>

We can get rid of the like terms by either <em>adding </em>or <em>subtracting </em>them.

<em>x° + 4x° + 55° - 5° = 180°</em>

<em>5x° + 50° = 180°</em>

We can then subtract 50° from both sides.

<em>5x° = 180° - 50°</em>

<em>5x° = 130°</em>

We then make x the subject and divide both sides by 5°

x = 26

x was our unknown so where there is x we put 26

The angle on the far left is simply 26°

The other angle, (4x-5)° becomes (4(26) - 5)°

If you simplify that, you get (104-5)°

Hence the last angle was 99°

If you want to ensure that your answer is correct, simply add the angles. They <u><em>should always</em></u> add up to 180° if you're working with a triangle

55° + 26° + 99° = 180°

7 0
3 years ago
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