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Drupady [299]
2 years ago
12

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Mathematics
2 answers:
Vlad1618 [11]2 years ago
5 0

Answer: y = -3/2x + 3

Step-by-step explanation:

did the test  and hope this helps

Dominik [7]2 years ago
3 0

Answer:

y = -3/2x + 3

Step-by-step explanation:

To figure out the equation, it is very simple:

First you must find the y-int

The y-int is the point where the line touches the y-axis

The only point that touches the y-axis is (0,3)

so the y-int is 3

Next we need to find the slope, which is rise over run

we must find how far one point is from another point

so we start from the point (0,3) on the y-axis, then we go down 3 and to the right 2 and we are on the point (2,0)

so the slope is -3/2, because the line is going downwards, not upwards

now we just put the equation together, in the slope intercept form

y-int = b = 3

slope = m = -3/2

y = mx + b

y = -3/2x + 3

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Answer:

Step-by-step explanation:

Hello, please consider the following.

a)

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(3x+4) (3x-4)\\\\=(3x)^2-4^2\\\\=\boxed{9x^2-16}

Thank you.

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3 years ago
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In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale
gogolik [260]

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4 0
3 years ago
CARMEN HAS 18 CONNECTING CUBES. sHE WANTS TO MODEL A HOUSE SHAPED LIKE A RECTANGLE . if THE MODEL HAS A HEIGHT OF ONE CONNECTING
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3 years ago
Read 2 more answers
The height after t seconds of an object projected upward with an initial velocity of 48 feet per second from a 210-foot tower ca
svetlana [45]

Given:

The height h of an object after t seconds is

h=-16t^2+48t+210

The height of a neighboring 50-foot tall building is modeled by the equation h=50.

The time (t) when the object will be at the same height as the building is found to be t = –2 and t = 5.

To find:

The statement which describes the validity of these solutions.

Solution:

We have,

h=-16t^2+48t+210

Here, t is the time in seconds.

For t=-2,

h=-16(2)^2+48(-2)+210

h=-64-96+210

h=50

For t=5,

h=-16(5)^2+48(5)+210

h=-400+240+210

h=50

So, the value of h is 50 at t=-2 and t=5.

We know that time is always positive so it cannot be negative value. It means t=-2 is not possible.

The solution t = 5 is the only valid solution to this system since time cannot be negative.

Therefore, the correct option is C.

6 0
3 years ago
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