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raketka [301]
2 years ago
10

Find the slope of the line that passes through (10,9) and (1,1).

Mathematics
2 answers:
Alexxx [7]2 years ago
5 0
8/9


hope this helps
Igoryamba2 years ago
3 0

Answer:8/9

Hope this helps!!!!!!!

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If y= 1/5 when x=3, find y when x=4, given that y varies directly with x
lisov135 [29]

Answer:

<h2>y =  \frac{4}{15}</h2>

Step-by-step explanation:

To find y when x=4, we must first find the relationship between them

The statement

y varies directly with x is written as

<h3>y  \:  \:  \:  \alpha  \: \:   \: kx</h3>

where k is the constant of proportionality

From the question

when y = 1/5

x = 3

Substitute the values into the above formula and solve

That's

<h3>\frac{1}{5}  = 3k \\ 15k = 1 \\ k =  \frac{1}{15}</h3>

So the formula for the variation is

<h3>y =  \frac{x}{15}</h3>

From the question

when x = 4

<h3>y =  \frac{4}{15}</h3>

Hope this helps you

5 0
3 years ago
A pendulum clock is a clock that uses a swinging weight (a pendulum) as its
Gnoma [55]

Answer: x(t) = 5cm*cos(t*pi/2s)

Step-by-step explanation:

This is a sinusoidal equation, so we can write this as:

x(t) = A*cos(c*t + p)  + B

where B is the axis around the movement, as the resting position is x = 0, we have B = 0

so x(t) = A*cos(c*t + p)

A is the amplitude of the oscilation, c is the frequency and p is a phase.

We know that when t = 0s, we have x(2s) = 5cm

if this is the maximum displacement, then knowing that the maximum of the cosine is cos(0) = 1

then we must have that p = 0

x(0s) = A*cos(0) = 5cm

then we have A = 5cm

Now, when t = 2s, we have:

x(2s) = 5cm*cos(2s*c) = -5cm

then 2s*c is the minimum of the cos(x) function, this is:

cos(pi) = -1

then 2s*c = pi

c = pi/2s.

then our function is:

x(t) = 5cm*cos(t*pi/2s)

7 0
2 years ago
Three hundred seventy seven divided by thirteen
Elina [12.6K]

Answer:

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
the distance from a port huron to the indiana state line is approximately 271 miles (via I-94). express this distance in kilomet
riadik2000 [5.3K]

The distance from a port Huron to the Indiana state line = 271 miles (approx)

We have to express the given distance into kilometers.

Since, 1 mile = 1.61 kilometers.

To convert the unit "miles" to "kilometer", we have to multiply the given miles by 1.61 to get the required kilometers.

Therefore, distance in kilometers = 271 \times 1.61 kilometers

= 436.3 kilometers.

Therefore, the distance from a port Huron to the Indiana state line in kilometers is 436.3 kilometers.

4 0
3 years ago
Use the substitute method to solve the system of equations. <br> Y=5 <br> Xy=-15
liubo4ka [24]

Answer:

(-3, 5)

Step-by-step explanation:

plug y = 5 into the second equation

x(5) = -15

5x = -15

x = -3

(-3, 5)

7 0
3 years ago
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