Mathematics, 09.11.2019 23:31, hannahhoops12
At higher elevations water boils at lower temperatures. the temperature at which water boils is called the boiling point of water. at sea level the boiling point of water is 100oc, while at 2 kilometers of elevation (about 6550 feet) the boiling point of water is 94oc. the function that gives the boiling point of water in oc, b
b
, at an elevation of x
x
kilometers is b(x)=100β3.5x
b(x)=100-3.5x
.
determine the elevations at which the boiling point of water is between 84 oc and 96 oc. give your answer accurate to 1 decimal place.
Answers: 3
Mathematics, 21.06.2019 16:20, jsbdbdkdkkd5104
Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3
Answers: 2
Mathematics, 21.06.2019 18:30, myohmyohmy
Nick has box brads. he uses 4 brads for the first project. nick letβs b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.
Answers: 3
Mathematics, 21.06.2019 21:40, pakabigail4796
The point a is at β2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 β x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =
Answers: 2
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