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2 years ago

What is an equation of the line that passes through (0,8) and (4,0)

Mathematics

1 answer:

nordsb [41]2 years ago

7 0

Answer:

Step-by-step explanation:

y=mx+b

m=dy/dx=(0-8)/(4-0)=-8/4=-2

y=-2x+b, using point (4,0)

0=-2(4)+b

b=8

y=-2x+8

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What is the value of x?

Agata [3.3K]

Answer:

x=68

Step-by-step explanation:

We begin by setting up as a proportion. 99.2 and 112 ft are across from each other so we can put those as our numerators. Additionally 62 and (x+2) ft are across from each other so we can put those as denominators. Now we can set up our proportion and begin to cross multiply:

99.2/62 = 112/(x+2) is our equation. It might help you see it clearly to write it out as fractions. From here, we cross multiply.

When we do that, we get x=68

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2 years ago

In order to go on a kiddy ride at an amusement park, the

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Using an absolute value inequality, it is found that the maximum height is of 90 pounds, that is:

$W \leq 90$

------------

The absolute value of a point or function is its distance to the origin.
That is, for example:

$|x| \leq a$ means that:

$-a \leq x \leq a$

The recommended weight is of 80 pounds, with an allowance of at most 10 pounds. Thus, the absolute value of the weight W and the 80 must be at most 80, that is:

$|W - 80| \leq 10$