Classify the quadrilateral. Then find the value(s) of the variable(s). PLEASE HELP

Mathematics

1 answer:

bazaltina [42]3 years ago

6 0

Answer:

Step-by-step explanation:

plug in y and x, if you want to be sure of each answer

In the case of A) here are the 2 equations, y-2=x+4 and 3x+4=x+6

now plug in what a describes

x=1, y=7

7-2=1+4 and 7=7

Therefore the answer is A

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Round to the nearest whole number 486.3÷8.1

PolarNik [594]

Answer: 60.

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4 0

4 years ago

Suppose that w and t vary inversely and that t = 5/12

Svetlanka [38]

Answer:

Option B. t=5/3w ;1/3

Step-by-step explanation:

We are told that $w$ varies Inversely with $t$ thus generally speaking $w$ ∝ $\frac{1}{t}$ since they are inverted, <u>otherwise</u> if they were proportionally varied then $w$ ∝ $t$ . This means that there is a constant value ( $a$ ) for which $w$ is inversely proportional to $t$ and can be mathematically expressed as:

$w=\frac{a}{t}$ Eqn. (1)

Now since we are given the values of $w=4$ and $t=\frac{5}{12}$ , we can plug them in Eqn. (1) and find our constant of proportionality $a$ as follow: