3 years ago

How do you prove that ABE is congruent to DBC?

1 answer:

3 0

Prove that abc congreunt to dbc

BE=BC (given)
BAE=CDB ( GIVEN
ABE = CBD (VERTICALLY OPPOSITE ANGLES)
THEREFORE ABE TRAINGLE CONGREUNT TO DBC TRAINGLE.

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Which values of a and b make this system of equations have infinitely many solutions?

Afina-wow [57]

9514 1404 393

Answer:

a = 3, b = -8

Step-by-step explanation:

Solving the first equation for y, we get ...

2y +16 = 6x . . . . . given

y = 8 +3x . . . . . . . divide by 2

y = 3x -8 . . . . . . . subtract 8

In order for the system of equations to have infinitely many solutions, the second equation must be the same as this:

y = ax +b

a = 3, b = -8

6 0

2 years ago

Can anyone help me out with question 6. ASAP prefer teachers but if you know let me know thx!

SVETLANKA909090 [29]

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7 0

3 years ago

After how many audio books will both book clubs cost the same amount.

bulgar [2K]

Answer:

2 books

Step-by-step explanation:

10 + 5x = 16 + 2x

- 2x - 2x

10 + 3x = 16

-10 -10

3x = 6

/3 /3

x = 2

4 0

2 years ago

Polygon HJKL has vertices H(-3, 4), J(2, 6), K(2, 1), and L(-3, -1). What are the slopes of sides HJ, JK, KL, and LH and how wou

aleksklad [387]

the slopes of sides HJ, JK, KL, and LH and how would you classify HJKL?

4 0

2 years ago

A rectangle has length represented as (R +5) and width represented as (R + 2).

svetlana [45]

Answer:

4(R + 5 + R + 2) [Option B]

Step-by-step explanation:

GIVEN :-

Length = R + 5
Width = R + 2

TO FIND :-

Perimeter of the rectangle

FORMULAE TO BE USED :-

For a rectangle with length 'l' and width 'w' , its perimeter = 4(l + w)

SOLUTION :-

Perimeter = $4(R + 5 + R+2)$

= $4(2R + 7)$

= $8R + 14$

7 0

1 year ago