Will give brainliest please help ASAP

Mathematics

1 answer:

Aleksandr [31]2 years ago

8 0

Answer:

x-coordinate is 3; ordered pair in Quadrant 1;

Step-by-step explanation:

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A pencil and an eraser cost 1.10 together. if the pencil costs one dollar more than the eraser how much does the eraser cost

Kazeer [188]

1 pencil + 1 eraser = $1.10

Pencil cost $1 more than the eraser.

⇒ If we take away $1 from the total, both the pencil and the eraser will cost the same.

⇒ $1.10 - $1.00 = $0.10

Divide by 2 to find the cost of the eraser.

⇒$0.10 ÷ 2 = $0.05

Find the cost of the pencil, which is $1 more than the eraser.

⇒ $0.05 + $1 = $1.05

Answer: The eraser costs $0.05

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Nour drove from the Dead Sea up to Amman, and her altitude increased at a constant rate. When she began driving, her altitude wa

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Answer:

y = - 400 + 700x

Step-by-step explanation:

Nour's altitude increased at a constant rate from the Dead Sea up to Amman.

Initially, her altitude was 400 meters below from the sea level and then she arrived at an altitude was 1000 meters above sea level arrived to Amman, 2 hours later.

So, she moves (400 + 1000) = 1400 meters in 2 hours.

Therefore, her rate of change of altitude is $\frac{1400}{2} = 700$ meters per hour.

Therefore, if y represents Nour's altitude in meters relative to the sea level after x hours then the relationship between the altitude and number of hours is given by

y = - 400 + 700x (Answer)

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2 years ago

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Answer:

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