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2 years ago

PLEASE HELP

Mathematics

1 answer:

Dafna1 [17]2 years ago

3 0

Answer:

I think its C!! but not sure

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An exterior angle of an isosceles triangle has measure 130°. Find two possible sets of measures for the angles of the triangle.

frozen [14]

(1) it can be both exterior of vertex or base. 180-130=50°
vertex is 50°: base=(180-50)/2=65°
base is 50°: vertex= 180-2*50=80°

vertex 50 base 65; vertex 80, base 50

(2)base=180-130=50°
vertex=180-2*50=80°

base 50 vertex 80

5 0

2 years ago

Em 1 Graph the system of equations. { x−y=6 ,4x+y=4

muminat

Graphing the system of equations is shown in figure attached.

Solution set is (2,-4). The lines will intersect at (2,-4)

Step-by-step explanation:

We need to graph the system of equations. $x-y=6 ,4x+y=4$

First we will find value of x and y

Let:

$x-y=6\,\,eq(1)\\4x+y=4\,\,eq(2)$

Add eq(1) and eq(2)

$x-y=6\,\,\\4x+y=4\,\,\\------\\5x=10\\x=10/5\\x=2$

Putting value of x in eq(1) and finding y

$x-y=6\\2-y=6\\-y=6-2\\-y=4\\y=-4$

So, y=-4

Graphing the system of equations is shown in figure attached.

Solution set is (2,-4). The lines will intersect at (2,-4)

Keywords: System of equations

Learn more about system of equations at:

#learnwithBrainly

8 0

3 years ago

1/4 x 6 in simplest form

love history [14]

Answer:

1 1/2

Step-by-step explanation:

1*6=6

6/4=1.5

1.5 1 1/2

7 0

2 years ago

What is the value of x in the equation 2x+3y=36 wheh y=6

vova2212 [387]

X is 9
$2x + 3y = 36 \\ 2x + 3(6) = 36 \\ 2x + 18 = 36 \\ 2x = 36 - 18 = 18$
$x = \frac{18}{2} = 9$

good luck

4 0

3 years ago

75 students decreased by 80%

Degger [83]

Hello,

The initial amount of students is 75. The amount decreased by 80%.

new total = 75-80%

= 15

Thus, 15 students are left.

Faith xoxo

3 0

3 years ago

____PLEASE HELP____

PLEASE HELP