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Ilya [14]
3 years ago
11

Plllllllllzzzzzzzzzzzzzzzzz helpppp meeeeeeeeeeeeeeeeeee

Mathematics
1 answer:
DochEvi [55]3 years ago
5 0

Step-by-step explanation:

radius(CE)=diameter/2=9

EF=8inch

DE=8/2=4inch

pythagorean theorem:

im right triangle,

a^2+b^2=c^2

4^2+b^2=9^2

16+b^2=81

b^2=81-16

b^2=65

b=√65

√65≈8.06

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(-4) + 8 =<br> -10 + 12<br> 9 +(-3)<br> (+3) + (-3)<br> 5 +(-2)<br> (-18) + 9 <br> 25 + (-30)
Alex Ar [27]

Step-by-step explanation:

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all these are the answers of your question

hope it is helpful to you

5 0
3 years ago
Um técnico em eletricidade recebeu um molho que continha 12 chaves não identificadas pra abrir a porta de um quarto de hotel e e
77julia77 [94]

Answer:

Step-by-step explanation:

Dado que:

Um técnico em eletricidade recebeu um pacote que continha 12 chaves não identificadas, a probabilidade de que ele acertasse na primeira vez será:

= número de ensaios / número total de ensaios disponíveis

O técnico eletricista tem apenas uma tentativa

uma vez que existem 12 chaves não identificadas, o número total de testes disponíveis 12

∴

= 1/12

= 0.0833

= 0.0833 × 100

= 8.33%

7 0
3 years ago
What are solutions to the equation 9x2-7x-4=0
11111nata11111 [884]

Answer:

Step-by-step explanation:

x =(7-√193)/18=-0.383

x =(7+√193)/18= 1.161

3 0
3 years ago
Please tell me the answer quick
fomenos

Answer:

D) The expression 9 - p has exactly 2 terms

8 0
3 years ago
36 is the same as _____ radians.
Over [174]
The formula is (degree)x(pi÷180)
36 x pi ÷ 180
0.63 rad
6 0
3 years ago
Read 2 more answers
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