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4 years ago

(15,-1),-16,19) into tue slope (15,-1),(-16,19) into fraction slope fraction

Mathematics

1 answer:

pashok25 [27]4 years ago

6 0

Answer:

20/-21

Step-by-step explanation:

use y2-y1/x2-x1 (19-(-1))= 20 and -16-15=-21 which gives you 20/-21

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In a parallelogram, explain how opposite sides are congruent

Otrada [13]

There's a theorem that states:
"If a quadrilateral is a parallelogram, it has 2 sets of opposite sides congruent."

Hope this helps ;)

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4 years ago

An airplane flies 56 miles due north than 33 miles due east. How many miles is the plane from its starting point?

Darya [45]

Is it 89 ? Wouldn’t you just add them up from the starting point ?

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3 years ago

Solve the system of equations. 2y+7x=−5 5y−7x=12

3241004551 [841]

We can solve this by substitution method.

Look at the second equation. If we rearrange to find 7x, we can substitute in the value into the first equation.

$5y-7x=12$

$5y-7x-12=0$

$5y-12=7x$

Therefore, $7x=5y-12$

Now replace the 7x in the first equation with 5y - 12:

$2y+7x=-5$ (substitute in 7x = 5y - 12)

$2y+(5y-12)=-5$

$7y-12=-5$

$7y=7$

$y=1$

Now that we know y, we can find x by substituting in y = 1 into any equation we want. I will use the equation: 7x = 5y - 12

$7x=5y-12$ (substitute in y = 1)

$7x=5(1) -12$

$5x=5-12$

$7x=-7$

$x=-1$

__________________________________________________________

Answer:

$y=1\\x=-1$

4 0

3 years ago

Please help I need work shown!!

likoan [24]

3x-11=2x+11

x=22

3x-11=55

2x+11=55

55+55+2y=180

2y=70

y=35

x=22 , y=35

7 0

3 years ago

Read 2 more answers

Given h (x) = -2x - 4, solve for x when h (x) =6.

anygoal [31]

Answer:

(x = -20) if what your saying is 6 = -2x - 4 and (x = -16) if what your saying is x = -2 x 6 - 4

Step-by-step explanation:

6 0

3 years ago