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loris [4]
2 years ago
8

7/2x+1/2=10 1/2+9/2x what is the value of x

Mathematics
2 answers:
Serggg [28]2 years ago
7 0

7/2x+1/2=10 1/2+9/2x what is the value of x?

Answer: X=-21

gogolik [260]2 years ago
3 0

Answer:

21

Step-by-step explanation:

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If 48% of a number, n, is 40.32, what is 20% of n?
jok3333 [9.3K]

Answer:

Step-by-step explanation:

48% of n = 0.48n = 40.32

n = 84

20% of n = 0.20*84 = 16.8

7 0
2 years ago
5g + 4(-5+3g) = 1 - g
Korvikt [17]
5g + 4(-5 + 3g) = 1 - g 
5g - 20 + 12g = 1 - g 
 17g - 20 = 1 - g 
   \frac{18g}{18} =   \frac{21}{18}
    there can be to answer 
      g = \frac{21}{18} or 
      you can simplify \frac{21/3}{18/3} =  \frac{7}{6} or 1 \frac{1}{6}
 
 
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2 years ago
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Diego’s family car holds 14 gallons of fuel. Each day the car uses 0.6 gallons of fuel. A warning light comes on when the remain
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Answer:

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Step-by-step explanation:

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7 0
3 years ago
A ball was dropped from a height of 60m. Each time it hit the ground, it bounced up 1/2 (half) of the height that it dropped. Ho
asambeis [7]

Answer:

The ball traveled 116.25 m when it hit the ground for the fifth term

Step-by-step explanation:

This is a geometric progression exercise and what we are asked to look for is the sum of a GP.

The ball was dropped from a height of 60 m. This means that the initial height of the ball is 60 m.

First value, a = 60

Each time it hit the ground, it bounced up 1/2 (half) of the height that it dropped.

This is the common ratio, r = 1/2 = 0.5

The number of terms it hits the ground is the number of terms in the GP.

number of terms, n = 5

The distance traveled by the ball when it hit the ground for the fifth term will be modeled by the equation:

S_n = \frac{a(1 - r^n) }{1 - r} \\S_5 =  \frac{60(1 - 0.5^5) }{1 - 0.5}\\S_5 =  \frac{58.125}{0.5} \\S_5 = 116.25 m

4 0
3 years ago
The formula n(n+1)/2
mafiozo [28]
The answer is in the attached image

5 0
2 years ago
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