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2 years ago

Which best describes the polygon whose vertices in the coordinate plane are (-5,5),(0,5),(0,0),(-5,0)?

2 answers:

7 0

A polygon with those is actually a square, yes, the other answer was right. So if it is a square that means it's only equiangular

valina [46]2 years ago

3 0

The polygon with these points is actually a square. I downloaded graph paper and put the points in the graph and the shape is a perfect square.

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Simplify 7(2x+y)+6(×+5y)

iris [78.8K]

Simplify, 7(2x+y)+6(x+5y).

a: 20x+37y

(7 • (2x + y)) + 6 • (x + 5y)

Step 2 :

Equation at the end of step 2 :

7 • (2x + y) + 6 • (x + 5y)

Step 3 :

Final result :

Thanks,

Deku ❤

4 0

2 years ago

What are the amplitude, period, and phase shift of the given function? f(t)=-1/2sin(3t-2pi)

Romashka [77]

Answer:

The $amplitude=|A|=\frac{1}{2}$ , $period=3$ and $\text{phase shift}=\frac{2\pi}{3}$ .

Step-by-step explanation:

The given function is

$f(t)=-\frac{1}{2}\sin (3t-2\pi)$ .... (1)

The general form of sine function is

$F(t)=A\sin (Bt-C)+D$ ....(2)

where, |A| is the amplitude, B is period, D is the vertical shift (up or down), and C/B is used to find the phase shift.

On comparing (1) and (2), we get

$A=-\frac{1}{2}$

$B=3$

$C=2\pi$

$D=0$

So,

$amplitude=|A|=\frac{1}{2}$

$period=3$

$\text{phase shift}=\frac{2\pi}{3}$

Therefore $amplitude=|A|=\frac{1}{2}$ , $period=3$ and $\text{phase shift}=\frac{2\pi}{3}$ .

8 0

3 years ago

Given the expression (−2x2)(3x)(x), Jose says that different products occur if the order of the quantities being multiplied chan

Kaylis [27]

Answer:

Jose is incorrect.

Step-by-step explanation:

Using the communitive property, you can rearrange (-2x2), (3x), and (x) in the problem and get the same product. You can rearrange it to (3x)(x)(-2x2). You can rearrange it to (3x)(-2x2)(x). Now matter where you rearrange them, the equation will always have the same product.

3 0

2 years ago

Torrey has $20 to buy a birthday present for her that she does this to buy a CD for $18 the sales tax is 7% does she have enough

Effectus [21]

No, because she will go over by .57 cents. So she won't be able to buy the gift. You can find the answer by dividing 18 by 7 and adding that answer to 18 to get the amount total you owe including tax.

8 0

3 years ago

hi I'm Danica and it's sixth grade I would really like if you look over this problem and tell me the answer(sending it rn)!!!!!!

vaieri [72.5K]

Translation
explanation: it is shifting

6 0

3 years ago