[ please help fast ] supply the missing reason for statement 5 of the proof

Mathematics

1 answer:

nordsb [41]3 years ago

4 0

The answer is CPCTC because ASA is used to prove that triangles are congruent and Reflexive property is used to show that something is congruent to itself. Hence, CPCTC is the only reasonable choice because it says that corresponding parts of congruent triangles are congruent.

Hope this helps :)<span />

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C=-3. a=2 b=4<br><br> (2)<br>2(3c+7)

Paha777 [63]

I think the answer is -18 + 14

4 0

3 years ago

When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000 radioactive atoms decayed to 973 co

scoray [572]

Answer: A) 71.498 ; b) 0.00152

Step-by-step explanation:

Given the following :

Number of atoms that decayed during 365 days period = 26,097

Number of days = 365

Mean number of radioactive atoms that decayed in a day:

Mean = number of decayed atoms / number rof days

Mean = 26,097 / 365

Mean = 71.498 atoms per day

B.) probability that 50 radioactive atoms decayed in a given day:

Using the poisson distribution formula :

P(x =x) = (m^x * e^-m) ÷ x!

Where m = mean

Mean (m) = 71.498

P(x = 50) = (71.498^50 * e^-71.498) / 50!

P(x = 50) = (71.498^50 * 2.7182818^-71.498) / 50!

= 4.60795E61 / 50!

= 0.0015150

6 0

3 years ago

Compare using <>= -5 2/8 and -5 7/8

IRINA_888 [86]

Answer:

$-5\frac{2}{8}>-5\frac{7}{8}$

Step-by-step explanation:

Given:

The given mixed fractions are:

$-5\frac{2}{8}\ and\ -5\frac{7}{8}$

Both the mixed fractions have the whole part same as -5. Now, in order to compare the two, we have to compare their fractional parts $\frac{2}{8}$ and $\frac{7}{8}$ .