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Law Incorporation [45]
3 years ago
5

Help asapppppp Rewrite the formula

Mathematics
2 answers:
Allushta [10]3 years ago
4 0

Answer:

{ \tt{A =  \frac{1}{2} bh}} \\  \\ { \tt{bh = 2A}} \\  \\ { \boxed{ \tt{h =  \frac{2A}{b} }}}

• A is 18 in²

• b is 9 in

{ \tt{h =  \frac{2 \times 18}{9} }} \\  \\ { \tt{h =  \frac{36}{9} }} \\  \\ { \boxed{ \tt{h = 4 \:  \: in}}}

const2013 [10]3 years ago
3 0

\large\bf{\underline{Given\: formula:}}

\large\bf{⟹A = \frac{1}{2}\times b \times h}

\large\bf{\underline{By\: rearranging :}}

\large\bf\boxed{⟹ h = 2 \times \frac{A}{b}}

__________________________________________

\large\bf{\underline{In\: given\: triangle:}}

  • A = 18 in²
  • b = 9 in²
  • h = ?

\large\bf{\underline{So, applying\: formula:}}

{⟹ h = 2 \times \frac{A}{b}}

⟹h = 2 \times  \frac{18}{9}

\large\boxed{⟹h = 4 \:in}

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Simplify the expression 4^3+ 2(3 − 2). <br> 14 <br> 16 <br> 66 <br> 68
daser333 [38]

Answer:

66

Step-by-step explanation:

4^3=64

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a square sandbox has an area of 42 squareft what is the approximate perimeter of the sandbox to the nearest hundredth
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3 years ago
A window has the shape of a semicircle. The base of the window is measured as having diameter 64 cm with a possible error in mea
Tanzania [10]

Answer:

e. 1.6π cm²

Step-by-step explanation:

Since the window is in a semi-circular shape, its area A = πD²/4 ÷ 2 = πD²/8 where D = diameter of window = 64 cm

Now, the error in the area dA = dA/dD × dD where dD = error in the diameter = 0.1 cm and dA/dD = derivative of A with respect to D.

So, dA/dD = d(πD²/8)/dD = 2 × πD/8 = πD/4

So, the differential dA = dA/dD × dD

dA =  πD/4 × dD

Substituting D = 64 cm and dD = 0.1 cm into the equation, we have

dA =  πD/4 × dD

dA =  π × 64 cm/4 × 0.1 cm

dA =  π × 16 cm × 0.1 cm

dA =  π × 1.6 cm²

dA = 1.6π cm²

So, the maximum error in computing the area of the window is 1.6π cm²

3 0
3 years ago
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