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Andre45 [30]
3 years ago
9

How can 100 be divided by 5

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
7 0
By 20 because 20 x 5 is 100
earnstyle [38]3 years ago
4 0
100 ➗ 5 = 20
Because 20 x 5 = 100
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An electrical engineer wishes to compare the mean lifetimes of two types of transistors in an application involving high-tempera
Olin [163]

Answer:

(115.2642, 222.7358).

Step-by-step explanation:

Given data:

type A: n_1=60, xbar_1=1827, s_1=168

type B: n_2=180, xbar_2=1658, s_2=225

n_1 = sample size 1, n_2= sample size 2

xbar_1, xbar_2 are mean life of sample 1 and 2 respectively. Similarly, s_1 and s_2 are standard deviation of 1,2.

a=0.05, |Z(0.025)|=1.96 (from the  standard normal table)

So 95% CI is

(xbar_1 -xbar_2) ± Z×√[s1^2/n1 + s2^2/n2]

=(1827-1658) ± 1.96×sqrt(168^2/60 + 225^2/180)

= (115.2642, 222.7358).

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3 years ago
Lesson 12 Ratios of Fractions and Their Unit Rates
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Step-by-step explanation:

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6 0
2 years ago
Read 2 more answers
Which of the following does NOT have a value of -5?
Contact [7]

Answer:

J. -13-18

Step-by-step explanation:

J will give the value -31

4 0
3 years ago
Look at the expression below. Tell whether each<br> tatement about its value is True or False.
QveST [7]

Answer:

true

Step-by-step explanation:

6 0
3 years ago
Urgent help needed fast
Katena32 [7]

Answer:

Below

Step-by-step explanation:

You can use this formula to find the sum of an arithmetic series

     Sn = n / 2 (a1 + an)

You need to find the number of terms in each series before using the formula

     Tn = a + (n - 1) d

a) 53 = 5 + (n - 1) 3

      n = 17

Sn = 17 / 2 (5 + 53)

    = 493

b) 98 = 7 + (n - 1) 7

      n = 14

Sn = 14 / 2 (7 + 98)

   = 735

       

c) -102 = 8 + (n - 1) -5

        n = 23

Sn = 23 / 2 (8 + (-102))

   = - 1081

d) 41/3 = 2/3 + (n - 1) 1

        n = 14

Sn = 14 / 2 (2/3 + 41/3)

    = 301 / 3 or 100 1/3  

Hope this helped! Best of luck <3

7 0
3 years ago
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