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2 years ago

Can you answer this quick it's so hard

Mathematics

2 answers:

bulgar [2K]2 years ago

7 0

1. The shape of the base is a square.

2. The lateral faces are triangles.

3. Including the square and four triangles, the figure has 5 faces.

4. Square pyramid.

5. Find the surface area of the square. Find the surface area of one triangle, and multiply by 4 to get all of them. Add the area of the four triangles to the area of the square.

Hope this helps.

Bingel [31]2 years ago

6 0

Answer:

square

triangle

square pyramid

find area of base and area of a lateral face (base is 1 side squared, lateral face is base * height / 2. Multiply area of lateral face by 4 and add the product to the area of the base to find the Surface Area.

Step-by-step explanation:

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Which polynomial equations have -i as one of their roots?

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2 years ago

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2 years ago

WILL GIVE BRAINLEST

Aleonysh [2.5K]

Answer: D) 10 jerseys

Step-by-step explanation:

Let j represent the number of jerseys and C for total cost

Local company eqn: C = 5.25j + 45

Online company eqn: C = 7.75j + 20

Set both sides equal to solve:

5.25j + 45 = 7.75j + 20

5.25j - 7.75j = 20 -45

- 2.5j = -25

$\frac{-2.5j}{-2.5}=\frac{-25}{-2.5}$

j = 10

Therefore, the cost is the same for both companies when 10 jerseys are sold

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2 years ago

A urn contains 3 red and 5 black balls. Tom first withdraws a ball from the urn and Mary withdraws a ball from the urn without r

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Answer:

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Step-by-step explanation:

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1 year ago

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3 years ago

Can you answer this quick​ it's so hard

Can you answer this quick it's so hard