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LekaFEV [45]
2 years ago
10

Plz help me

Mathematics
1 answer:
solmaris [256]2 years ago
7 0

Answer:

Rotate Figure L 135 degrees counterclockwise around the point of intersection of the arms. Reflect across the right arm

Step-by-step explanation:

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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
Kitty [74]

Answer:   (-2, 5) and (2, -3)

<u>Step-by-step explanation:</u>

Graph the line y = -2x + 1 (which is in y = mx + b format) by plotting the y-intercept (b = 1) on the y-axis and then using the slope (m = -2) to plot the second point by going down 2 and right 1 unit from the first point:

        y - intercept = (0, 1)            2nd point = ( -1, 1).

Graph the parabola y = x² - 2x - 3 by first plotting the vertex and then plotting the y-intercept (or some other point):

y = x^2-2x-3\quad \rightarrow \quad a=1,\ b=-2,\ c=-3\\\\\text{axis of symmetry:}\ x = \dfrac{-b}{2a}\ \longrightarrow \ x=\dfrac{-(-2)}{2(1)}=\dfrac{2}{2}=1\\\\\text{y-value of vertex:}\ f(1) = (1)^2-2(1)-3\quad \longrightarrow \quad y = 1 - 2 - 3=-4\\\\\text{y-intercept:}\ f(0)= (0)^2-2(0)-3\ \longrightarrow \ y=0 - 0 - 3 = -3 \\

         vertex = (1, -4)                2nd point (y-intercept) = (0, -3)


<em>see attached</em> - the graphs intersect at two points:  (-2, 5) and (2, -3)


8 0
3 years ago
(35 points) GEOMETRY PROOF
Lisa [10]

Please give me brainlest

click this link.

https://artofproblemsolving.com/wiki/index.php/2019_AMC_8_Problems/Problem_24

or copy it then paste it in search.

5 0
3 years ago
Two numbers have a sum of 9 when added together.
antiseptic1488 [7]

Answer:40

Step-by-step explanation:+$)#)#

5 0
3 years ago
A line passes through the points ( − 16 , 14 ) and ( 8 , 35 ) . Calculate the slope of the line - simplify answer if possible. (
REY [17]

Given two points (x_1,y_1),\ (x_2,y_2), the slope of the line connecting them is defined as

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

In your case, the points are

(x_1,y_1)=(-16,14),\ (x_2,y_2)=(8,35)

Plugging these values in the slope formula gives

m=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{35-14}{8-(-16)}=\dfrac{21}{24}=\dfrac{7}{8}

7 0
3 years ago
Solve the open sentence.
Serga [27]
The last one is correct n>9 and n<7 there should be a line underneath the (<,>) to make it less than or equal to
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