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Rudiy27
3 years ago
11

At higher altitudes, water boils at lower temperatures. This relationship between altitude and boiling point is linear. At an al

titude of 1000 feet, water boils at 210°F. At an altitude of 3000 feet, water boils at 206°F. Use an equation in point-slope form to find the boiling point of water at an altitude of 8000 feet. Solve the problem using an equation in point-slope form.
Mathematics
2 answers:
kherson [118]3 years ago
8 0

Answer:

the boiling point of water at an altitude of 8000 feet is 196°F

Step-by-step explanation:

Mashutka [201]3 years ago
4 0

Let's assume

boiling point is y

altitude is x

we are given

This relationship between altitude and boiling point is linear

At an altitude of 1000 feet, water boils at 210°F

so, first point is (1000,210)

so, x1=1000 , y1=210

At an altitude of 3000 feet, water boils at 206°F

so, second point is (3000,206)

so, x2=3000,y2=206

now, we can find slope

m=\frac{y_2-y_1}{x_2-x_1}

now, we can plug values

m=\frac{206-210}{3000-1000}

m=-\frac{1}{500}

now, we can use point slope form of line

y-y_1=m(x-x_1)

so, we can plug it

y-210=-\frac{1}{500}(x-1000)

so, point slope form of line is

y-210=-\frac{1}{500}(x-1000)

now, we can plug x=8000

and then we can solve for y

y-210=-\frac{1}{500}(8000-1000)

y=196

So,

the boiling point of water at an altitude of 8000 feet is 196°F..........Answer

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