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DiKsa [7]
4 years ago
14

Simplify -2[9 - (x + 7)]. -32 - x -4 - x -4 + 2x -32 + 2x

Mathematics
1 answer:
Bas_tet [7]4 years ago
3 0
-4 + 2x

Hope this helps
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The volume of a cone-shaped dessert is 10 CUBIC CENTIMETRES.
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Answer:

3. 2.4 c.m

The height of the cone 'h' = 2.4 c.m

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<em>Given radius of the cone = 2 cm</em>

Given data

The volume of a cone-shaped dessert is 10 cubic centimetres

<em>The Volume of the Cone </em>

<em>                           </em>V = \frac{1}{3} \pi r^{2}h<em></em>

                        10 = \frac{1}{3} X 3.14 X (2)^{2} X h

  cross multiplication , we get

                  h = \frac{ 3 X 10}{3.14 X 4}

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<em>The height of the cone 'h' = 2.4 c.m</em>

8 0
3 years ago
How do you take notes in math? I am struggling on math and I don't know how to take notes in math. ASAP! Please! I know how to t
Delvig [45]

Answer:

Step-by-step explanation:

1) Calm down, your motivated and determined so you will do awesome!

2) write the date AND the chapter the notes are from

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4) use a highlighter or underline important info, your brain cant memorize everything!

5) draw pictures! math is all about visualization

6) if your teacher is teaching a new concept he/she will definetly give you some examples to write down, make up your own examples and solve them to go beyond

7) abbreviate, teachers talk pretty fast so you may struggle to get everything down, if you abbreviate writing will be faster, just dont forget to make a key for your abbreviations so that you dont forget!

8) ask for help!- the most effective tool in the shelf

9) go online and search up worksheets to do

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Which number is greater? Explain. √20 , 10
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Answer:

10 is greater because the square root of 20 is 4.47

Step-by-step explanation:

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The Choi family wants to save money to travel the world. They purchase an annuity with a monthly payment of $65 that earns 4.5%
Lesechka [4]

Answer:

You can get an idea of how much guaranteed lifetime income a given amount of savings will buy by going to this annuity payment calculator. Today, for example, $100,000 would get a 65-year-old man about $525 a month in lifetime income, while that amount would generate roughly $490 a month for a 65-year-old woman.

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