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Dima020 [189]
4 years ago
6

12 - 3/4 (d + 16) = negative 5

Mathematics
2 answers:
Nutka1998 [239]4 years ago
8 0

Answer: d=20/3

Step By Step:

Step 1, Simplify:

12-3/4(d+16)=-5

(-3/4)d+(12-12)=-5

(-3/4)d=-5

Step 2, Multiply each side by 4/(-3)

(4/-3)*(-3/4)d=(4/-3)*-5

d=20/3

garik1379 [7]4 years ago
6 0

Answer:

\bold{d=\frac{20}{3} \ or \ 6.66666666667}

Explanation:

\bold{12-\frac{3}{4}\left(d+16\right)=-5}

[ Subtract 12 From Both Sides ]

\bold{12-\frac{3}{4}\left(d+16\right)-12=-5-12}

[ Simplify ]

\bold{-3\left(d+16\right)=-68}

[ Divide Both Sides By -3 ]

\bold{\frac{-3\left(d+16\right)}{-3}=\frac{-68}{-3}}

[ Simplify ]

\bold{d+16=\frac{68}{3}}

[ Subtract 16 From Both Sides ]

\bold{d+16-16=\frac{68}{3}-16}

[ Simplify ]

\bold{d=\frac{20}{3}}

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The list attached shows the coordinate of (x, y) after transformation when reflecting over x, y-axis, and lines y = x, y = -x

<h3>What is geometric transformation?</h3>

It is defined as the change in coordinates and the shape of the geometrical body. It is also referred to as a two-dimensional transformation. In the geometric transformation, changes in the geometry can be possible by rotation, translation, reflection, and glide translation.

We have two lines of reflection:

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After reflecting over line y = x the coordinate (x, y) becomes:

(y, x)

After reflecting over the line y = -x the coordinate (x, y) becomes:

(-y, -x)

Thus, the list attached shows the coordinate of (x, y) after transformation when reflecting over x, y-axis, and lines y = x, y = -x

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7 0
2 years ago
Mad math for pi, I have no clue how to do this!!
bogdanovich [222]

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The volume of a hemisphere (the half of a sphere) is given by the formula:

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Where r is the radius.

The volume of a cone is given by the formula:

V=\frac{1}{3}\pi r^2h

Where h is the height of the cone.

From the figure we have:

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Then, when we substitute these values into the above formulas, we get:

For the hemisphere:

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The volume of the hemisphere is 311.6in^3

For the cone:

V=\frac{1}{3}\pi r^2h=\frac{1}{3}\times3.14\times5.3^2\times9=264.7

As mentioned, the volume of the whole figure is the sum of the volume of the cone and the volume of the hemisphere, then, the volume of the figure is:

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