3 years ago

3x – 15y = 12 2x - 10y = 8 What is the ordered pair?

Mathematics

1 answer:

katrin [286]3 years ago

5 0

The answer should be 9,1

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Quadrilateral ABCD has vertices A(1,0) B(5,0) C (7,2) D(3,2). Use slope to prove that ABCD is a parallelogram.

Galina-37 [17]

Answer:

$AD \parallel BC$

$AB \parallel CD$

Step-by-step explanation:

The vertices of quadrilateral ABCD are A(1,0) B(5,0) C (7,2) D(3,2).

The slope of side AB is

$M_{AB}=\frac{0-0}{5-1} =\frac{0}{4}=0$

The slope of side BC is

$M_{BC}=\frac{2-0}{7-5} =\frac{2}{2}=1$

The slope of side CD is

$M_{CD}=\frac{2-2}{3-7} =\frac{0}{-4}=0$

The slope of AD is

$M_{AD}=\frac{2-0}{3-1} =\frac{2}{2}=1$

$AD \parallel BC$

$AB \parallel CD$

We see that the opposite sides of the quadrilateral ABCD are equal.

Hence the quadrilateral is a parallelogram

4 0

3 years ago

Check whether the given number is a solution of the equation or inequality. 9+4y=17;1

uranmaximum [27]

Answer:

9 + 4(1) $\neq \\$ 17

Step-by-step explanation:

to satisfy inequality

9 + 4(1) < 17

13 < 17

6 0

2 years ago

Please help me please I really need help

Luba_88 [7]

Answer:

See below

Step-by-step explanation:

The answer is attached

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3 years ago

Find the value of the variable and the measure of each labeled angle.

nalin [4]

X + 18 = 5x - 38

x - x + 18 = 5x - x - 38

18 = 4x - 38

18 + 38 = 4x - 38 + 38

56 = 4x

56/4 = 4x/4

14 = x

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3 years ago

A rectangle has a base of 2 yd and a height of 5 ft. Find the area of the rectangle.

sladkih [1.3K]

Area of a rectangle = b*h... so 6ft*5ft = 30 ft^2

7 0

3 years ago