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3 years ago

13

Given the parallelogram below Jackson writes segment AB is congruent to segment CD and segment AD is congruent to segment BC whi

ch of the following reasons allow him to write these statements

2 answers:

faltersainse [42]3 years ago

5 0

Opposite sides of a parallelogram theorem

pychu [463]3 years ago

3 0

I believe the answer to this question is "Opposite sides of a parallelogram theorem."

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How do you find the perimeter of the window to the nearest tenth. Half the widows radius is 20.

muminat

Answer:

Step-by-step explanation:

Bsbsbdvd devebehehevergrbrhrhrhjddududyZhhdbdbsgssgsggsUhfhd

7 0

3 years ago

Which is larger, a pound or a kilogram?

Nutka1998 [239]

Answer:

Pounds

Step-by-step explanation:

1 kilogram= about 2.2 pounds

3 0

3 years ago

Read 2 more answers

Let w = x2 + y2 + z2, x = uv, y = u cos(v), z = u sin(v). use the chain rule to find ∂w ∂u when (u, v) = (9, 0).

jasenka [17]

By the chain rule,

$\dfrac{\partial w}{\partial u}=\dfrac{\partial w}{\partial x}\cdot\dfrac{\partial x}{\partial u}+\dfrac{\partial w}{\partial y}\cdot\dfrac{\partial y}{\partial u}+\dfrac{\partial w}{\partial z}\cdot\dfrac{\partial z}{\partial u}$
$\dfrac{\partial w}{\partial u}=2xv+2y\cos v+2z\sin v$

We also have $x(9,0)=0$ , $y(9,0)=9$ , and $z(9,0)=0$ , so at this point we get

$\dfrac{\partial w}{\partial u}(9,0)=2\cdot9\cdot\cos0=18$

7 0

3 years ago

4x^9y^-4 / x^8y^-6<br><br> Evaluate the expression<br><br> for x = 5 and y = 2.<br><br> ху

kramer

Answer:

80

Step-by-step explanation:

SIMP - lifiy the equation: (see what I did there :D)

4xy^2 = 4(5)(2^2) = 80

ANSWER: 80

3 0

3 years ago

18. One number is 3 less than a second number. Twice the second number is 12 more than 3 times the first.

bekas [8.4K]

Answer: The numbers are -3 and - 6

Step-by-step explanation:

Let the first number be x and the second number be y , then from the first statement we have

x + 3 = y ............. equation 1

From the second statement

2y = 3x + 12 ............ equation 2

solving the resulting simultaneous equation by substitution method ,we have:

substitute x - 3= y into equation 2 , we have

2( x + 3) = 3x + 12

2x + 6 = 3x + 12

2x - 3x = 6

x = -6

substitute x = - 6 into equation 1 , that is

- 6 + 3 = y

Therefore ,

y = -3

2y = 3y + 3

Check:

x + 3 = y , implies

-6 + 3 = -3 = y

Also 2y = 3x + 12 , implies

2(-3) = -6

3(-6) + 12 = -6

4 0

3 years ago