It has been given in the question that a wedge has a width of 2 cm and a slope of 5.5 cm.We have to calculate the mechanical advantage of the given wedge.

We know the formula to calculate the mechanical advantage of the wedge

Mechanical advantage = Length of slope/Thickness of the widest end

= 5.5÷2 = 2.75

Therefore the answer is option B. 2.75

6 0

3 years ago

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How do I solve -3(3+x)+(x-6)=-4 ?

zysi [14]

$\huge\boxed{x=-\frac{11}{2}}$

Start by distributing the $-3$ to the $(3+x)$ . $-3(3) + (-3)(x) + (x-6) = -4$

Multiply and simplify. $-9-3x+(x-6)=-4$

Rearrange the terms. $-3x+x-9-6=-4$

Combine like terms. $-2x-15=-4$

Add $15$ on both sides. $-2x=11$

Divide both sides of the equation by $-2$ . $x=\boxed{-\frac{11}{2}}$

7 0

2 years ago

Which expression is equivalent to(r^-7)^6?

shtirl [24]

(r^-7)^6 = r^-42 . . . . exponents are multiplied

4 0

2 years ago

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