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3 years ago

11

This si more tiring than actually doing the work

1 answer:

DENIUS [597]3 years ago

6 0

Answer:

D(WZ║XY)

Step-by-step explanation:

The definition of a trapezoid is "a quadrilateral with only one pair of parallel sides". WX and ZY are obviously not parrelel, so you need WZ and XY to be parellel to follow the criteria of a trapezoid.

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5(x+3)+y(3x-4)<br>answeeer

harkovskaia [24]

Answer:

5x+15+3xy-4y

Step-by-step explanation:

5(x+3) + y(3x-4)
5x + 15+ 3xy - 4y
now we have to count together numbers with same letters (x,y). yeah, well in this case we dont have them haha
so number 2 is the answer:)

4 0

3 years ago

Solve the equation (1/2)2x + 1 = 1

snow_lady [41]

(1/2)2x=1-1=02x/2=ox=0

8 0

3 years ago

I need help, please !

Dmitriy789 [7]

Answer: the answer is 8 because

Step-by-step explanation:

4 0

3 years ago

If y = -5 when x = 2, find y when x = 8.

nasty-shy [4]

Answer:

Y= -20

Step-by-step explanation:

if y=-5 when x=2 find y when x=8

8 /2 = 4

=> x = 2 * 4 => x = 8 Answer

y = -5 * 4 =>

y= -20

4 0

2 years ago

Solve for x and y<br><br>Both questions please ❤️

zimovet [89]

Answer:

1. $x=18, y=6\sqrt{10}$

2. x=108, y=180

Step-by-step explanation:

The height of the right triangle drawn to the hypotenuse is the geometric mean of two segments of the hypotenuse (two legs' projections)

1. Use this property, so

$CD^2=AD\cdot BD\\ \\6^2=2\cdot x\\ \\36=2x\\ \\x=18$

Consider right triangle BCD. By the Pythagorean theorem,

$BC^2=BD^2+CD^2\\ \\y^2=18^2+6^2\\ \\y^2=324+36\\ \\y^2=360\\ \\y=\sqrt{360}=6\sqrt{10}$

2. Consider right triangleGM*. By the Pythagorean theorem,

$G*^2=GM^2+M*^2\\ \\240^2=GM^2+192^2\\ \\GM^2=240^2-192^2=(240-192)(240+192)=48\cdot 432=144^2\\ \\GM=144$

Use this property to find x:

$GM^2=192\cdot x\\ \\144^2=192\cdot x\\ \\x=\dfrac{144^2}{192}=108$

Consider right triangle GMCup. By the Pythagorean theorem,

$y^2=x^2+GM^2\\ \\y^2=108^2+144^2\\ \\y^2=32,400\\ \\y=180$

3 0

4 years ago