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lina2011 [118]
2 years ago
8

Which number sentence is true?

Mathematics
1 answer:
aliya0001 [1]2 years ago
3 0
The answer is A) 1,73<2,1
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Geometry - Triangle d) In the given figure, BE = EC and CE is the bisector of ZACB. Prove that ZBEC = ZACD. E B D С​
Llana [10]

Answer:

Let m∠BCE = x

Then m∠ACE = x as well since CE is bisecting ∠ACB.

  • m∠ACD + x + x = 180° ⇒
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Consider ΔBEC

<u>Since BE = EC, the opposite angles are congruent:</u>

  • ∠BCE ≅ ∠CBE

<u>Then:</u>

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<u>Find the angle BEC:</u>

  • m∠BEC = 180° - (x + x) = 180° - 2x

<u>Comparing the above we see that:</u>

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  • proved

8 0
2 years ago
9+4 third power x (20 -8) divided by 2+6
konstantin123 [22]
Answer: 253.5

9+4=13
--------------------------------------------
13 to the third power = 169
---------------------------------------------
20-8= 12
---------------------------------------------
2+6=8
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169 x 12 = 2028
---------------------------------------------
2028/8 = 253.5 
5 0
3 years ago
Jordan invests £17200 into his bank account.
timurjin [86]

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A disease has a constant force of mortality, µ. Historically 10% of all people with the disease die within 20 years. A more viru
kolbaska11 [484]

Answer:

Step-by-step explanation:

For the disease having force of mortality  µ.

we apply exponential distribution law

probability of dying within 20 years

p( x <20) = 1-e^{-\mu} = .1

e^{-\mu} = .9

For the disease having force of mortality  2µ.

we apply exponential distribution law

probability of dying within 20 years

p( x <20) = 1 - e^{-2\mu}

= 1 - ( .9)²

= 1 - .81

= .19

or 19%

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3 years ago
Please help with this<br><br>​
julia-pushkina [17]

Answer:

-11

Step-by-step explanation:

4 0
2 years ago
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