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zlopas [31]
3 years ago
7

Which is the equation for bc?

Mathematics
2 answers:
Ilya [14]3 years ago
3 0
Y=-4/5x+1 is the equation for bc
maxonik [38]3 years ago
3 0

Answer:

 y(x)=- \frac{4}{5}x+1=-0.8 x+1

Step-by-step explanation:

A line can be expressed using a slope-intercept form:

y(x)=mx+b

Where:

m=Slope=\frac{\Delta y}{\Delta x} =\frac{y_2-y_1}{x_2-x_1}

b=y-axis\hspace{3}intercept

Given a point on the line P(x_1,y_1) it is possible to obtain the previous equation from the following formula:

y-y_1=m(x-x_1)

From the graph we can extract the two points necessary to find the equation. As you can see:

B(x_1,y_1)=(-5,5)\\C(x_2,y_2)=(0,1)

So, let's find the slope:

m=\frac{1-5}{0-(-5)}= \frac{-4}{5} =-0.8

Now, we have everything we need to find the equation for BC:

y-5=-\frac{4}{5} (x-(-5))\\\\y-5=-\frac{4}{5} x-4\\\\y=-\frac{4}{5}+1=-0.8x+1

Therefore, the equation for BC is:

y(x)=- \frac{4}{5}x+1=-0.8 x+1

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yawa3891 [41]

Answer:

The degree of a polynomial refers to the highest degree of its individual terms having non-zero coefficients.

Step-by-step explanation:

The degree of a polynomial refers to the highest degree of its individual terms having non-zero coefficients. For example;

A quadratic polynomial is a polynomial of degree 2. This polynomial takes the general form;

ax^{2}+bx+c

where a, b, and c are constants. This is usually referred to as a quadratic polynomial in x since x is the variable. The highest power of x in the polynomial is 2, hence the degree of any quadratic polynomial is 2.

A second example, consider the cubic polynomial;

ax^{3}+bx^{2}+cx+d

The degree of this polynomial is 3.

6 0
3 years ago
Given the function f (x) = x2 – 52, find f (x - 3) f (x – 3)​
Setler [38]
6 Why because my brain is huge
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2 years ago
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The volume V of a cube with sides of length x inches is changing with respect to time t (in seconds). When the sides of the cube
goldfiish [28.3K]

Answer:

dV/dt = 3×10^2 × 0.5 = 150 in^3/sec

the volume of the cube is increasing at 150in^3/sec

Step-by-step explanation:

Volume V = length l^3

V = x^3

Differentiating both sides;

dV/dt = 3x^2 dv/dt

Given;

x = 10 in

dx/dt = 0.5 in/sec

dV/dt = 3×10^2 × 0.5 = 150 in^3/sec

the volume of the cube is increasing at 150in^3/sec

5 0
3 years ago
Solve this problem using the Distributive Property.<br><br> 2 ( 7 + 8 ) =
maria [59]

Answer:

30

Step-by-step explanation:

Original Equation: 2(7 + 8)

So you have to multiply 2 by 7 which equals 14

Then you multiply 2 by 8 which equals 16

Your equation should now look like this: 14 + 16

Add 14 and 16 together.

Your answer is 30

Hope I helped :)

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7 0
3 years ago
HELP I'M SOOOOOO ANGRYYYYY PLEASE HELPPPP<br>determine the values of X for which g(x) is defined​
tiny-mole [99]

Answer: Any real number x as long as x \ne 0 and x \ne -\frac{2}{3}

In other words, anything but 0 or -2/3 is valid.

========================================================

Explanation:

Set the denominator equal to zero and solve for x

2(3x^2 + 2x) = 0

3x^2 + 2x = 0

x(3x + 2) = 0

x = 0 or 3x+2 = 0 .... zero product property

x = 0 or 3x = -2

x = 0 or x = -2/3

If either x = 0 or x = -2/3, then the denominator 2(3x^2 + 2x)  will be zero. But recall that we cannot have zero in the denominator. Dividing by zero is not allowed. The expression is undefined when we divide by zero.

Therefore, we must exclude x = 0 and x = -2/3 from the domain. Any other real number is valid as an x input.

7 0
3 years ago
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