Please i need help with number 7 it is hard and its DUE NEXT HOUR show WORK . NO link

Mathematics

1 answer:

velikii [3]3 years ago

8 0

Answer:

Equation: 3(x+5)=60

Solution: 15 inches

Step-by-step explanation:

Let x represent the original side length of the equilateral triangle. Then, the new length of each side is x+5. Because a triangle has three sides, the new perimeter is 3(x+5), which is 60 inches. Dividing both sides by 3, we get that x+5=20, so x=15.

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Ipatiy [6.2K]

Answer:

5.83 units

Step-by-step explanation:

3² + 5² = RS²

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Please mark my answer as brainliest <3

7 0

4 years ago

Read 2 more answers

Wilbur landed his plane.

lora16 [44]

Answer: $1,700\ seconds$

Step-by-step explanation:

Observe the graph provided in the exercise.

The y-axis represents the plane's elevation in meters and the x-axis represents the time in seconds.

Notice that at 0 seconds the elevation of the plane is $8,500\ meters$ . Based on the graph, each $200\ seconds$ the elevation of the plane decreases $1,000\ meters.$