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1 year ago

Evaluate the exponent (14.7 + 9.3) * (1/2) to the second power

Mathematics

2 answers:

grigory [225]1 year ago

8 0

Answer: well the thing is 12, i have no idea how to do it though. sorry

Step-by-step explanation:

viktelen [127]1 year ago

8 0

It’s simple times 1/2 with 14.7 then get the answer then add that with 9.3

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Three pounds of fish food costs $14.97 at the market. What is the unit price

ruslelena [56]

Answer: $4.99

Step-by-step explanation:

14.97 ÷ 3; this will tell you the unit price of each individual fish.

The answer is $4.99.

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2 years ago

What is the constant of variation for the quadratic variation? x=2,3,4,5,6 y= 32,72,128,200,288

Bad White [126]

Hello,
y=a*x² ==>
32=a*2²==>a=32/4=8
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128=a*4²==>a=128/16=8
200=a*5²==>a=200/25=8
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2 years ago

Saydi is buying a pair of jeans that regularly cost $60. They are on sale for 40% off. If the tax rate is 9%,what is the sale pr

Luba_88 [7]

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2 years ago

The volume of water and a rectangle swimming pool can be modeled by the function v(x)=x^3+13x-210. If the depth of the pool is g

S_A_V [24]

Answer:

Required,

$L=\frac{3+\sqrt{37}}{2}-\frac{144}{x-3}$

$W=\frac{3-\sqrt{37}}{2}-\frac{144}{x-3}$

Step-by-step explanation:

Given volume and depth respectively,

$V(x)=x^3+13x-210$ and $x-3$

To find length and width of the rectanglular swiming pool we know,

Volume=length $\times$ height $\times$ depth.

Let depth=D=x-3, length=L, width=W, then

$V=DLW$

$x^3+13x-210= LW(x-3)$

$LW=\frac{x^3+13x-210}{x-3}$

After divide we will get $x^2-3x-22$ with remainder -144.

Thus,

$x^3+13x-210=(x^2-3x-22)(x-3)-144=(x-3)LW$

Now to find root of,

$x^2-3x-144=\frac{3\pm\sqrt{9+88}}{2}=\frac{3\pm \sqrt{37}}{2}$

Thus,

$L=\frac{3+\sqrt{37}}{2}-\frac{144}{x-3}$

$W=\frac{3-\sqrt{37}}{2}-\frac{144}{x-3}$

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2 years ago

The length of a rectangle is 3 times the Width W which expressions represent the perimeter of the rectangle?

allochka39001 [22]

Answer:

the last one

Step-by-step explanation:

I think maybe

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2 years ago