I need help doing these. Question on the page. Thanks OIf v= Bh, ® Solve for x:18) Solve for x:19 Solve for x45 cm. 9.0 cm%3Dsolve the formula%3D1218 cmfor h

Name: I need help doing these. Question on the page. Thanks OIf v= Bh, ® Sol
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Description: I need help doing these. Question on the page. Thanks OIf v= Bh, ® Solve for x:18) Solve for x:19 Solve for x45 cm. 9.0 cm%3Dsolve the formula%3D1218 cmfor h

Answered: OIf v= Bh, ® Solve for x: 18) Solve for…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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I need help doing these. Question on the page. Thanks

OIf v= Bh, ® Solve for x:
18) Solve for x:
19 Solve for x
45 cm. 9.0 cm
%3D
solve the formula
%3D
12
18 cm
for h

Expert Solution

Step 1

17. $V = \frac{1}{3} B h$

To solve for h proceed as follows

Multiply both sides by 3

$3 V = B h$

Divide both sides by B

$\frac{3 V}{B} = \frac{B}{B} h \frac{3 V}{B} = h$

The answer is :

The formula for h is $\frac{3 V}{B}$

Step 2

18. the given equation is $\frac{x}{12} = \frac{5}{8}$

multiply both sides by 12

$\frac{x}{12} \times 12 = \frac{5}{8} \times 12 x = \frac{5}{8_{2}} \times 12^{3} x = \frac{15}{2}$

The value of x is $\frac{15}{2}$

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