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AysviL [449]
3 years ago
7

A square base of a pyramid has the dimensions 5 yards by 5 yards. The height of one of the triangular faces is 12 yards. How can

you find the surface area of the pyramid?
Mathematics
2 answers:
attashe74 [19]3 years ago
5 0

Answer:

136.83

Step-by-step explanation:

zmey [24]3 years ago
3 0

Answer:

First, draw and label a net of the pyramid. The triangular faces have a base of 5 yards and a height of 12 yards. Find the area of each of the faces. The square base has an area of 25 yd2. Each of the triangular faces has an area of 30 yd2. Add the areas together to find the surface area: 25 + 30 + 30 + 30 + 30 = 145 yd2.

Step-by-step explanation:

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labwork [276]
So assuming L=legnth

xd=y(L-d)
divide both sides by y
(xd)/y=L-d
add d to both sides
((xd)/y)+d=L
5 0
3 years ago
Help? which one is it
Ierofanga [76]

Here's the solution,

The given figure is of a parallelogram,

and we know that opposite sides of a parallelogram are equal, so

=》

y + 19 = 2y

=》

19 = 2y - y

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y = 19

and,

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2x - 8 = x + 16

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2x - x = 16 + 8

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7 0
3 years ago
Initially a wheel rotating about a fixed axis at a constant angular deceleration of 0.5 rad/s 2 has an angular velocity of 0 rad
Zigmanuir [339]

Answer:

\theta = 5.83\ rad

Step-by-step explanation:

given,

angular deceleration, α = -0.5 rad/s²

final angular velocity,ω_f = 0 rad/s

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angular position at 3.9 s = ?

now, Calculating the initial angular speed

\omega_f^2 = \omega_i^2 + 2 \alpha \theta

0 = \omega_i^2 - 2\times 0.5\times 6.1

\omega_i = \sqrt{6.1}

\omega_i = 2.47\ rad/s

now, angular position calculation at t=3.9 s

\theta = \omega_i t + \dfrac{1}{2}\alpha t^2

\theta =2.47\times 3.9 - \dfrac{1}{2}\times 0.5\times 3.9^2

\theta = 5.83\ rad

Hence, the angular position of the wheel after 3.9 s is equal to 5.83 rad.

7 0
3 years ago
Mason borrowed 1,200 from a friend to buy a new hot tub, His friend does't charge any interest and mason makes 50 payments eavh
balu736 [363]
You can identify the slope and y-intersept. The slope is 50 and the y-intercept is (0, 1200). You could also do the x-intercept, which would be the number of months passed when he pays off the debt fully. The x intercept would be (24,0)
5 0
3 years ago
Answer choices:<br><br> A: y=x<br> B: y=1/4x -2<br> C: y= -x + 7/4<br> D: y= 7/4x -2
Nuetrik [128]

Answer:

b: y=1/4x -2

Step-by-step explanation:

It says the answer in the question. the slope on the graph is really just 1 though.

5 0
2 years ago
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