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Vaselesa [24]
3 years ago
14

Solve the proportion 15t5=2t 36.

Mathematics
1 answer:
olchik [2.2K]3 years ago
6 0
If you can give me more info, I can solve this for you, please write out the complete problem.
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Select all of the following tables which represent y as a function of x.
Schach [20]

Answer:

the second and third one

Step-by-step explanation:

two y's that are the same can't have 2 outcomes

3 0
3 years ago
Which is a correct way to find f(3) when f(x) = 2x27​
dalvyx [7]
The answer to = 2x27 is f(x)
5 0
3 years ago
4. The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed
elixir [45]
Assume the parabola is placed on a graph where the x-axis is the top of the dish.
The vertex is then at (0,-30)  The x-intercepts or zeros are at (-30,0) and (30,0)

The equation of such parabola would be:
y = a(x+30)(x-30)
Plug in vertex to find value of 'a'
-30 = a(0+30)(0-30) \\  \\ a = \frac{-30}{(-30)(30)} = \frac{1}{30}

Now find the focus given that p = \frac{1}{4a}
p = \frac{1}{4(1/30)} = \frac{30}{4} = 7.5

Answer: the microphone should be placed 7.5 inches from vertex.
8 0
4 years ago
A car traveld 32 miles in 4 hours at this rate how many miles will the car travel in 0.5 hours
Mandarinka [93]

Answer:

4 miles

Step-by-step explanation:

In order to find how many miles the car will travel in 0.5 hours, we can set up a proportion.

\frac{32}{4} = \frac{x}{0.5}

We can now cross multiply to find the value of x.

32 \cdot 0.5 = 16\\\\16\div4 = 4

So the car can travel 4 miles in 0.5 hours.

Hope this helped!

5 0
4 years ago
Read 2 more answers
What is 1/4 + 1/4 + 1/4 =
Zepler [3.9K]

3/4 is the answer

your welcome

3 0
3 years ago
Read 2 more answers
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