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2 years ago

10

The perimeter of the rectangle is 80 feet. the ratio of the width to the length is 3 to 5. what are the dimensions of the rectan

gle

1 answer:

Sedaia [141]2 years ago

7 0

48:80.....................................

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%28x%20-%20%20%5Cfrac%7B2%7D%7B9%7D%20%29%28x%20%2B%20%20%5Cfrac%7B1%7D%7B2%7

Aleonysh [2.5K]

$f(x) = (x - \dfrac{2}{9} )(x + \dfrac{1}{2} )$

$\text {When } f(x) = 0 :$

$(x - \dfrac{2}{9} )(x + \dfrac{1}{2} ) = 0$

$(x - \dfrac{2}{9} ) = 0 \text { or } (x + \dfrac{1}{2} ) = 0$

$x = \dfrac{2}{9} \text { or } x = -\dfrac{1}{2}$

3 0

3 years ago

Simplify -3x³y²(-4x²y•y•y•y•y)²

AnnZ [28]

$-3x^3y^2(-4x^2 \underbrace{y\cdot y\cdot y\cdot y}_{y^4})^2\\\\=(-3)(-4)(x^3x^2)(y^2y^4)\\\\=12x^{3+2}y^{2+4}\\\\=\boxed{12x^5y^6}\\\\Used:\\\\a^n\cdot a^m=a^{n+m}$

3 0

3 years ago

Read 2 more answers

Which number is a perfect square?<br> оооо

puteri [66]

Answer:

1, 4, 9, 16, 25, etc

Step-by-step explanation:

a perfect square is a whole number multiplied by itself. it can be written with the notation ^2

to find a perfect square, simply square or bring to the 2nd power, any whole number

for example 9^2

this means that 9 is multiplied by ITSELF 2 times, it is NOT 9*2

it can also be written as 9*9=81

hope this helps, if anything confuses you feel free to ask ♡

6 0

2 years ago

If venom A is four times as potent as venom B and venom C is 2.5 times as potent as venom B. How many times as potent is venom C

weqwewe [10]

Answer:

Venom C is 0.625 times as potent as venom A.

Step-by-step explanation:

We are given that venom A is four times as potent as venom B.

Venom C is 2.5 times as potent as Venom B.

We have to find that how many times as potent is venom C is compared to venom A.

Let Venom B =x

Then Venom A= $4\times x=4x$

Venom C= $2.5\times x=2.5 x$

$\frac{Venom\;C}{venom\;A}=\frac{2.5x}{4x}=\frac{25}{40}=\frac{5}{8}=0.625$

Hence, venom C is 0.625 times as potent as venom A.

7 0

3 years ago

Does this represent a proportional relationship

nasty-shy [4]

Answer:

D.

Step-by-step explanation:

the suggested relation can be described as y=15x. Then the correct answer is D) Yes, the points are on the line that passes through the origin.

3 0

1 year ago