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ddd [48]
3 years ago
9

The length of a rectangle is 1 meter less than twice its width. The perimeter of the rectangle is 40 meters. What is the length

of the rectangle?
Mathematics
1 answer:
Alexeev081 [22]3 years ago
5 0

Answer:

2 or more

Step-by-step explanation:

thts not my answer and i dont understanding

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How much is a $450 snowboard with 7.25% sales tax?
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Answer:

$482.625 ≈ $482.63

Step-by-step explanation:

\frac{y}{450}: \frac{7.25}{100}

y · 100 = 450 · 7.25

100y = 3262.5

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y = 32.625

$450 + $32.625

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Georgia lifts free weights. The bar weighs 25 pounds. She puts two 25-pound weights and two 10-pound weights on the bar. How muc
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there would be 95 pounds all together

Step-by-step explanation:


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Sarah needs 30 liters of a 25% acid solution how many liters of the 10% and the 30% acid solutions should she mix to get what sh
sweet-ann [11.9K]

Answer:

7.5 L of 10% solution and 22.5 L of 30% solution

Step-by-step explanation:

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Solve the system of equations, using either substitution or elimination.  I'll use substitution:

x = 30 − y

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3 − 0.10 y + 0.30 y = 7.5

0.20 y = 4.5

y = 22.5

x = 30 − y

x = 7.5

Sarah needs 7.5 L of 10% solution and 22.5 L of 30% solution.

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