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2 years ago

To the nearest tenth, what is the height of the square pyramid shown below?

Mathematics

1 answer:

Kazeer [188]2 years ago

7 0

Answer:

Step-by-step explanation:

if you can't see it or don't understand something just tell me:) Good luck and I hope it helped.

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Explain whether the following given sets are closed under addition:

Ivan

Answer:

Step-by-step explanation:

a) Yes.

$\forall\ a,b\ \in\ B,\ a+b\in B\ (since\ 0+0=0)$

b) Yes

$W=\{0,1,2,3,..,\}\ (whole\ numbers)\\\forall\ a,b\ \in\ 3W,\ a+b\in 3W\\since:\\a\ \in\ 3W \Longrightarrow\ \exists\ k_1\in W | a=3*k_1\\\\b\ \in\ 3W \Longrightarrow\ \exists\ k_2\in W | b=3*k_2\\\\a+b=3*k_1+3*k_2=3*(k_1+k_2) \in 3W\\$

c) Yes

$\forall n\ \in\ \mathbb{N}: \Longrightarrow\ n+1 \in\ \mathbb{N}\\$

d) No

$3\in V , 3+3=6\notin V\\$

7 0

2 years ago

How can I get to 75 using 7 5 6 3

eduard

63+5+7=75

Hope this helps

4 0

2 years ago

Read 2 more answers

4 to the power of 55

LenaWriter [7]

$\\ \sf\longmapsto 4^{55}$

$\\ \sf\longmapsto (4^5)^{11}$

$\\ \sf\longmapsto 1024^{11}$

$\\ \sf\longmapsto 1024^31024^41024^3$

$\\ \sf\longmapsto 1,073,741,824\times 1,073,741,824\times 1,099,511,627,776$

$\\ \sf\longmapsto 1.29807421E+33$

6 0

2 years ago

I the revenue for the week is $2000, and labor cost consists of two workers earning $8 per hour who work 40 hours each, what is

MA_775_DIABLO [31]

Revenue = $2000

Labour cost = 40 x 8 = $320

Percentage = 320/2000 x 100 = 16%

Answer: 16%

4 0

2 years ago

(3x2 - 6x + 2) - (4x2 – 3x - 2)

Ilia_Sergeevich [38]

Answer:

-5x+4

Step-by-step explanation:

(3x*2x-6x+2)-(4x*2x-3x-2)

(3*2x-6x+2)-(4*2x-3x-2)

(6x-6x+2)-(8x-3x-2)

answer:

-5x+4

5 0

3 years ago