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2 years ago

5

Planes A and B intersect in line s. If point V is a point on line s, then it lies on: plane A only plane B only both plane A and

B neither plane A or B

1 answer:

kirill [66]2 years ago

4 0

Answer:

both plane A and B

Step-by-step explanation:

All the points on the line of intersection lie in both planes. V lies in both plane A and plane B.

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$5 + $1.99 = 6.99

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2 years ago

1. Find the area of the unshaded square

e-lub [12.9K]

The large square is 6 by 6 so it has area 6*6 = 36

The small square is 2 by 2 (since 6-2-2 = 2), so it has area 2*2 = 4

The difference in areas is 36 - 4 = 32 which is the area of the shaded region

----------------------------------------------------------------------

In summary:

1. The unshaded square (smallest square) has area 4 square inches

2. The area of the large square is 36 square inches

3. The shaded region (area of the frame) has area 32 square inches

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2 years ago

How do i write 8.66 in radical form?

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2 years ago

Read 2 more answers

The right triangle ABC shown below is inscribed inside a parabola. Point B is also the maximum point of the parabola (vertex) an

kherson [118]

H = -b / 2a = 2 : x coordinate of the vertex of the parabola k = -(2)2 + 4(2) + C = 4 + C : y coordinate of vertex x = (2 + √(4 + C)) , x = (2 - √(4 + C)) : the two x intercepts of the parabola. length of BA = k = 4 + C length of AC = 2 + √(4 + C) - 2 = √(4 + C) area = (1/2)BA * AC = (1/2) (4 + C) * √(4 + C) (1/2) (4 + C) * √(4 + C) = 32 : area is equal to 32 C = 12 : solve above for C.

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2 years ago

The Sears Tower, at 1,451 feet, is one of the tallest structures in the United States. A penny is thrown from the top of the tow

padilas [110]

Answer:

The equation for the height of the penny in function of time is:

$h(t)=1451-16t^2$

After 7 seconds, the penny will be at a height of 667 feet.

Step-by-step explanation:

The penny will have a free fall.

The initial velocity is zero, and the initial height is h(0)=1,451.

The acceleration will be the gravity, that has a value g=32 ft/s^2.

Then, we can model this starting by the speed:

$dv/dt=-g\\\\v(t)=v_0-gt=-gt$

Then, the height becomes:

$dh/dt=v(t)=-gt\\\\h(t)=h_0-\dfrac{gt^2}{2}=1451-\dfrac{32}{2}t^2\\\\\\h(t)=1451-16t^2$

The approximate height of the penny after 7 seconds can be calculated as:

$h(7)=1451-16(7^2)=1451-16*49=1451-784=667$

After 7 seconds, the penny will be at a height of 667 feet.

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2 years ago