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faltersainse [42]

3 years ago

5

You are building a door frame. Both sides are 80.5 inches long and the top and bottom are both 36.5 inches wide. Which additiona

l
statement(s) give enough information to conclude that the door frame forms a rectangle?

1 answer:

scZoUnD [109]3 years ago

6 0

Answer:

you'd have to know that the corners are at 90 degree angles. as is, it could be a parallelogram

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curve before applying the theorem.)F(x, y) = y cos(x) − xy sin(x), xy + x cos(x), C is the triangle from (0, 0) to (0, 12) to (3

Serhud [2]

$C$ has a clockwise orientation, so in order to use Green's theorem (which is probably the "theorem" mentioned here), we have

$\displaystyle\int_C\vec F\cdot\mathrm d\vec r=-\iint_D\frac{\partial(xy+x\cos x)}{\partial x}-\frac{\partial(y\cos x-xy\sin x)}{\partial y}\,\mathrm dx\,\mathrm dy$

where $D$ is the triangle region.

$=\displaystyle\int_0^3\int_0^{12-4x}(\cos x-x\sin x)-(y+(\cos x-x\sin x))\,\mathrm dy\,\mathrm dx$

$=\displaystyle-\int_0^3\int_0^{12-4x}y\,\mathrm dy\,\mathrm dx=\boxed{-72}$

4 0

2 years ago

How many solutions does 2x+5=4+2x+1 have

Shtirlitz [24]

Answer:

There are infinitely many solutions in the equation, 2x +5 = 4 +2x +1.

(Please comment if you want explanation)

5 0

3 years ago

40.A spinner with 3 equal-sized colored sections is used to generate the data in the table below.

AnnZ [28]

Answer:

I don't 100% know but I think you could spin 99 times and record the data and compare it with the theoretical probabillity of 33 times per color for 99 spins

Step-by-step explanation:

4 0

3 years ago

I need help.. Hurry please!!

kati45 [8]

Answer:

A. you are correct!

Step-by-step explanation:

3 0

3 years ago

Helpp!<br> Evaluate the expression and enter your answer below.<br> 42-13

Andrews [41]

Answer - 3

In order to do this equation you would follow PEMDAS. Being as there isn’t any parentheses, multiplication, or division involved, we only need step E ( exponents) and step S ( subtraction). In the acronym, E comes before S so we multiple 4 * 4 ( if you did not know: the exponent of 2 means you would multiply the number with itself.) 4 * 4 equals 16. The equation is now 16- 13. When you subtract the two, the product is 3.

5 0

2 years ago