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harina [27]
3 years ago
8

Is ABC= A DEF? If so, name the congruence postulate that applies. ​

Mathematics
1 answer:
balandron [24]3 years ago
4 0

Answer:

C. congruent - SSS

Step-by-step explanation:

All three sides are congruent.

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A product developer is interested in reducing the drying time of a primer paint. Two formulations of the paint are tested: Formu
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Answer:

the answer is in the explanation

Step-by-step explanation:

we are given

          sample size n_{1} = n_{2} = 10  for each formulation

          mean  \bar{x} _{1} (formulation 1) = 121

          mean \bar{x} _{2}  (formulation 2) = 112

         s (standard deviation )  =  8 mins for  each case

        null hypothesis        H_{0}        μ2 = μ1        (both have average same time)

 alternative hypothesis   H_{1}         μ2 < μ1

          under H_{0}  the test statistics is

                                t = \frac{\bar{x}_{2} - \bar{x}_{1} }{s\sqrt{\frac{1}{n_{1} }+ \frac{1}{n_{1}} } }

                               t = \frac{112 - 121 }{8\sqrt{\frac{1}{10 }+ \frac{1}{10} } }

                                t = -2.5

                        ItI = 2.5

            The P-value at  ItI = 2.5       at \alpha = 0.05    μ = 0.010699

check the remaining solution and diagram in the attached image

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3 years ago
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Answer: The solution would be any value that is -2 and lower.


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Okay, so our equation is c ≤ -2, so any value that is -2 and below would be correct for this inequality.

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