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Licemer1 [7]
3 years ago
12

(x-2)(-5x^2+x)=(x)(-5x^2)+(x)(x)+(-2)(-5x^2)+(-2)(x) is an exsample of

Mathematics
1 answer:
e-lub [12.9K]3 years ago
6 0

this is an example of linear equations is one variable

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Please show work and help me please
Gnesinka [82]

Answer:

31.4 in

Step-by-step explanation:

the formula for circumference is 2*\pi*radius. Since the diameter (which is the radius multiplied by 2) is labeled we can divide 10 by 2 to get the radius. 10/2 is 5. Since pi is an infinite number, we round it to 3.14. Then, plug in the numbers. The expression will be 2*3.14*5. 2* = 10 and 10 * 3.14 you can just move the decimal so the answer is 31.4.

6 0
3 years ago
The time it takes to fly from Los Angeles to New York varies inversely as the speed of the plane. If
makvit [3.9K]

Answer: speed is  540 km/h

Step-by-step explanation:   Lets mark speed as v.

Because distenace is same, you can mark   6 h · 900 km/h = 10 h · v

and v = 5400 km / 10 h = 540 km/h.

Or using inverse proportions :   10 h / 6 h  =  v / 900 km/h  .

Before multiplying you turn lastproportion around :

10 h / 6 h = 600 km/ h / v   ,which gives   10 v = 6 · 900 km/h

and result is same

3 0
3 years ago
10. How many cubic inches of material do you need to make a solid rubber ball with a diameter of 3 in.? Round your answer to two
ale4655 [162]
What is asked in the problem is simply the volume of the solid rubber ball. The volume of sphere given the diameter may be calculated by,
  
                               V = πd^3 / 6

Substituting the given value of diameter, 
 
                               V = (π x 3³) / 6 = 9π/2 or 14.14

Thus, one needs approximately 14.14 in³ of material. 

3 0
3 years ago
Read 2 more answers
Write an equation of the line in slope intercept form that passes through (3, 1/2) and has a slope of 4.
mash [69]

Answer:

Step-by-step explanation:

Write an equation of the line in slope intercept form that passes through (3, 1/2) and has a slope of 4.

7 0
2 years ago
Help please :D<br> this is a maps test so this is higher than my level
Citrus2011 [14]

Answer:

Ggghhjjjj

Step-by-step explanation:

5 0
3 years ago
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