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olasank [31]
3 years ago
12

Chapter 7 of the Jiuzhang suanshu presents a problem of two linear equations involving acres of land and their respective prices

. One of the two equations can be translated to: 300x + 300 x plus StartFraction 500 over 7 EndFraction left-parenthesis 87.5 right-parenthesis equals 10,000.y = 10000 If y = 87.5, what is the value for x? 300x + 300 x plus StartFraction 500 over 7 EndFraction y equals 10,000.y = 10,000 300x + 300 x plus StartFraction 500 Over 7 EndFraction y equals 10,000.(87.5) = 10,000 300x + 6,250 = 10,000 x =
Mathematics
2 answers:
Nutka1998 [239]3 years ago
7 0

Answer:

12.5

Step-by-step explanation:

i just did it

iVinArrow [24]3 years ago
6 0

Answer: 12.5

Step-by-step explanation:

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A discounted ticket for a football game costs $12.50 less than the original price.you pay $63 for a discounted ticket
Tanya [424]

Answer:

the original price is 75.50

Step-by-step explanation:

4 0
3 years ago
6n + 9 = -3 - 21 - 6
denis23 [38]
6n+9=-3-21-6
subtract the numbers:-3-21-6=-30
6n+9=-30
subtract 9 from both sides
6n+9-9=-30-9
simplify
6n=-39
divide both sides by 6
\frac{6n}{6}= \frac{-39}{6}
n= \frac{-13}{6}
decimal n=-6.5
Hope this helps :)
3 0
3 years ago
3 packs of soda cost $10 less than 5 packs of soda. Write and equation that models this, and solve.
zysi [14]
<span>Cost 1 pack = x
3x + 10 = 5x
2x = 10
x = 5
1 pack cost $5
Hope this helped</span>
8 0
3 years ago
terrence buys a new car for $20,000. the value of the car depreciates by 15% each year. if f(x) represents the value of the car
maw [93]
F(x) = 20000 (1-0.15) power x
So
f(x) = 20000 (0.85) power x
6 0
3 years ago
(5x^2-4X + 7) - (4x + 2)
DanielleElmas [232]
5x’2-4x+7-4x-2
We add the two 4
5x’2-8x+7-2
5x’2-8x+5
The answer is
5x’2 -8x +5
3 0
3 years ago
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