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siniylev [52]
2 years ago
15

6. This solid is a composite of a cube and square pyramid. The base of the solid is the base of the cube. Find the surface area

for the solid​

Mathematics
1 answer:
Sergio039 [100]2 years ago
3 0

Answer:

960 ft^2

Step-by-step explanation:

There are 9 surfaces forming the solid.

5 of them are congruent squares and 4 of them are congruent triangles.

area of square = (side)^2

area of triangle = (base)(height)/2

total surface area = 5 * area of square + 4 * area of triangle

A = 5 * (12 ft)^2 + 4 * (12 ft * 10 ft)/2

A = 5 * 144 ft^2 + 4 * 60 ft^2

A = 720 ft^2 + 240 ft^2

A = 960 ft^2

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user100 [1]

Answer:

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Step-by-step explanation:

order them by small to big to have the biggest one and I am a middle schooler so I hope this works!

4 0
3 years ago
At one farmer's market, bananas cost $0.80 per pound. At another farmer's market, bananas are sold in 5-pound bags for $4.50 per
kozerog [31]
Divide the second amount by five to find out how much it costs at the second farmers market to get 1 pound of bananas.
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3 0
3 years ago
Read 2 more answers
A rectangle has an area of 40 sq units , then length is 6 units greater than the width
devlian [24]

Answer:

A=L*W

Let w be width

L=(w+6)

40=(w+6)*w

40= w^{2} +6w

w^{2} +6w-40=0

w^{2}+10w-4w-40=0  

w(w+10)-4(w+10)=0

(w-4)(w+10)=0

w=4

Length= 10 units

Width=4 units

Step-by-step explanation:

6 0
2 years ago
The angle of elevation of the top of a tree is 60°. If the point of observation is 4m from the foot of the tree. How far is the
inn [45]

Answer:

8m

Step-by-step explanation:

x = hypotenuse since they want the point of observation to the top of the tree

cos 60 = 4/x

x = 4 / cos 60

x = 8m

7 0
3 years ago
3 question problem, plz HELP!!!!!!
pav-90 [236]

Answer:

the four point cannot be on the same line , but they have to be on the plane.

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