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2 years ago

Please help me worth 35 points!!

Mathematics

2 answers:

mixer [17]2 years ago

7 0

Answer:

Solution given:

Volume of rectangular prism=length*breadth*height

for

1st one 4in,3in,6in

Volume=4*3*6=72cu.in

For second one 6in,3in,2in

Volume=6*3*2=36cu.in

For third one 4in ,5in,4in

Volume=4*5*4=80cu.in

For forth one 2in,9in,3in

Volume=2*9*3=54cu.in

KonstantinChe [14]2 years ago

7 0

Answer:

The answer

Step-by-step explanation:

1. 72cu in; 6*4*3

2. 36 cu in; 6*3*2

3. 80 cu in;4*5*4

4. 54 cu in;9*2*3

You just have to muiltply L*W*H ( length times width time height)

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Hey!

To solve x in this equation we must first add five to both sides to get $\sqrt{x}$ on its own.

Original Equation :
$\sqrt{x} - 5 = x - 11$

New Equation {Added 5 to Both Sides} :
$\sqrt{x} =x-6$

Now we must square both sides of the equation.

Old Equation :
$\sqrt{x} =x-6$

New Equation {Changed by Squaring Both Sides} :
$x= x^{2} -12x+36$

And now we must solve the new equation.

Step 1 - Switch sides
$x^{2} -12x+36=x$

Step 2 - Subtract x from both sides
$x^{2} -12x+36-x=x-x$

Step 3 - Simplify
$x^{2} -13x+36=0$

Now we need to solve the rest of the equation using the quadratic formula.

$\frac{-(-13)+ \sqrt{(-13) ^{2}-4*1*36 } }{2*1}$

${13+ \sqrt{(-13)^{2}-4*1*36 }=13+ \sqrt{25}$

$\frac{13+ \sqrt{25}}{2}$

$\sqrt{25}=5$

$\frac{13+5}{2}$

$\frac{18}{2}$

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$\frac{-(-13)- \sqrt{(-13) ^{2} -4*1*36} }{2*1}$

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So, this means that in the equation $\sqrt{x} -5=x-11$ , x = 9 and x = 4.

Hope this helps!

- Lindsey Frazier ♥

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