3 years ago

PLEASE HELP I WILL GIVE 50 POINTS

2 answers:

7 0

48+30 is 78, so we need to find the equation that is equal to that.
The first one is not enough, the second one is too much, and the third one is too much as well. The fourth on is the answer.

julia-pushkina [17]3 years ago

4 0

Answer:

Step-by-step explanation:

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A line with a slope of –2 passes through the point (–4, 8). What is the equation of the slope-intercept form?

zloy xaker [14]

Answer:

y= -2x

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

Given that the slope is -2, m= -2.

subst. m= -2 into the equation:

y= -2x +c

To find the value of c, substitute a coordinate.

When x= -4, y=8,

8= -2(-4) +c

8= 8 +c (expand)

c= 8-8 (-8 on both sides)

c=0 (simplify)

Thus, the equation of the line is y= -2x.

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2 years ago

Question 9 of 10 <br> Solve -4x+ 2 26. <br> 0 A. x-6 <br> 0 B. )( 6 0 C. -6 0 D. )( 6

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Answer:

The answer is (C.

Step-by-step explanation:

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2 years ago

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Armando graphed the relationship between temperature and elevation for several cities. The

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Answer:

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Step-by-step explanation:

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2 years ago

Look at triangle ABC. What is the length of said AB of the triangle

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$\bf ~~~~~~~~~~~~\textit{distance between 2 points}
\\\\
A(\stackrel{x_1}{4}~,~\stackrel{y_1}{5})\qquad 
B(\stackrel{x_2}{1}~,~\stackrel{y_2}{2})\qquad \qquad 
% distance value
d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}
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AB=\sqrt{(1-4)^2+(2-5)^2}\implies AB=\sqrt{(-3)^2+(-3)^2}
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AB=\sqrt{9+9}\implies \boxed{AB=\sqrt{18}}\implies AB=\sqrt{2(9)}
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AB=\sqrt{2(3^2)}\implies \implies AB=3\sqrt{2}$

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2 years ago

(-4)= ? a. -4 B. 4 C.0 d. none above

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If it’s just (-4) with nothing in front the answer is -4

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2 years ago