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kotykmax [81]
2 years ago
13

1/3(x+9)=8 Please help

Mathematics
2 answers:
koban [17]2 years ago
5 0

Answer:

I got x=15, Hope this helps!

Step-by-step explanation:

svetoff [14.1K]2 years ago
3 0

Answer:

x=15

Step-by-step explanation:

\frac{1}{3}  \times (x + 9) = 8 \\  \frac{x}{3}  +  \frac{9}{3}  = 8 \\  \frac{x}{3} + 3 = 8 \\  \frac{x}{3}  = 8 - 3 \\  \frac{x}{3 }  = 5 \\ x = 3 \times 5 \\ x = 15

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This diagram of a rectangular city park was drawn using a scale of 1 centimeter to 20 meters
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Answer:

Scale factor for the drawing from actual park = \frac{1}{20}

Area of the actual park = 1200 cm²

Step-by-step explanation:

Length of the rectangular city park = 5 cm

Width of the rectangular park = 6 cm

Using scale factor 1 cm = 20 meters

Scale factor = \frac{\text{length of the park in drawing}}{\text{Actual length of park}}=\frac{1}{20}

\frac{5}{\text{Actual length of park}}=\frac{1}{20}

Actual length = 5 × 20 = 100 meters

Actual width = 6 × 20 = 120 meters

Area of the rectangular park = length × width

                                               = 100 × 120

                                               = 1200 square meters

Therefore, Scale factor from actual length to the length in drawing = 1 : 20

Area of the rectangular park = 1200 square feet

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