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sergejj [24]
3 years ago
7

Which equation is true of x is 3.5

Mathematics
2 answers:
In-s [12.5K]3 years ago
5 0

Answer:

B

Step-by-step explanation:

Because 4 times 3.5 equals 14 and minus 3 equals -11 so its B.

pychu [463]3 years ago
5 0

Answer:

Your answer is B.

Step-by-step explanation:

The reason is because:

3-4x=-11

turns to

-4x=-14

when you subtract 3 from both sides then divide both sides by negative 4

and you get:

x=-14/-4

if you simplify -14/-4 your final answer will be

7/2 which equals 3.5:    x=3.5

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Answer:

y is undefined

Step-by-step explanation:

if you have a vertical line, it will always be undefined

6 0
3 years ago
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Find the missing side lengths. leave your answers as radicals in simplest form.
Murrr4er [49]

Answer:

x = 4 , y = 2

Step-by-step explanation:

Using the sine / tangent ratios in the right triangle and the exact values

sin60° = \frac{\sqrt{3} }{2} and tan60° = \sqrt{3} , then

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x \sqrt{3} = 4\sqrt{3} ( divide both sides by \sqrt{3} )

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and

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6 0
3 years ago
An average swimming pool contains 19200 gallons of water. The pool needs drained at the end of the summer. Water drains from the
Sergeu [11.5K]

Answer:

The answer is

D. V= 19200- 12t

Step-by-step explanation:

in this problem, we already know that the pool contains 19200 gallons of water

and the pool is draining at 12 gallons per minutes, hence the volume is decreasing at that rate

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hence the volume after t minutes will be

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7 0
3 years ago
Find f(x), where f is the inverse of f. Also state the domain off ' in interval notation.​
elena-14-01-66 [18.8K]

Answer:

X/5 - 5 = f(x) for the domain [0,infinity)

Step-by-step explanation:

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You are in a bike race. When you get to the first checkpoint you are 2/5 of the distance to the second checkpoint. When you get
Mamont248 [21]
The first checkpoint = 1check
the second checkpoint = 2check
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1check = 2/5 (2check)
2check = 1/4 (f)
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5 0
4 years ago
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