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podryga [215]
3 years ago
10

Please explain these math questions!

Mathematics
1 answer:
Nesterboy [21]3 years ago
4 0
1.  1m=100 cm
1m^2= 10,000 cm^2

2.  if 3 pencils are 1.65, then 1 pencil is 1.65/3=$ 0.55
7 pencils will cost 7* $0.55= $3.85

3.1 ha is 10,000 m^2, and 1 soccer filed is roughly 100m *110 m
so it makes sense that 1 ha is roughly 2 tennis courts
4.odd numbers between 20 and 30 are
21,23,25,27,29
lets add the,m
21+23+25+27+29=125
5 a rhombus has 2 lines of symmetry 
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Ivenika [448]
<span>0.5p - 3.45 = -1.2 ⇒ p=4.5</span>
3 0
4 years ago
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A bicycle manufacturing company makes a particular type of bike. Each child bike requires 4 hours to build and 4 hours to test.
Verdich [7]

 the first option is the answer

Step-by-step explanation:

4c + 6a <= 120 [building hours]

4c + 4a <= 100 [testing hours]

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80 + 36 <= 120

116 <= 120

true, they have enough building hours

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3 0
3 years ago
An end point of a line segment is (-10, -2) and the midpoint of the line segment is (0,4). Find the other endpoint.
Dovator [93]

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Step-by-step explanation:

\frac{-10 + x }{2} =0  

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y =10

5 0
3 years ago
3 (-8 + 7x) = -171<br><br> Help plz..And No links!! I repeat No links!!
melisa1 [442]

Answer:

The answer to your question will be

<h2>-7</h2>

Step-by-step explanation:

If you would like the steps, I will provide them as requested.

7 0
3 years ago
PLS HELP !!!!!!!<br><br> Find the value of x. <br><br> x=
Gre4nikov [31]
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3 years ago
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