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RSB [31]
3 years ago
13

How many 8’s are in 145

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
5 0
15 8's. 8,18,28,38,48,58,68,78,88,98,108,118,128,138
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Does anyone understand this.
Elodia [21]
Its C. The point is at 3 and goes down, therefore C.
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Make up your own problem and solve it
Gennadij [26K]

Answer:

= $ (x + 145 + 145)

= $ (x + 290)

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Step-by-step explanation:

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mars1129 [50]

Answer:

The 80% confidence interval for difference between two means is (0.85, 1.55).

Step-by-step explanation:

The (1 - <em>α</em>) % confidence interval for difference between two means is:

CI=(\bar x_{1}-\bar x_{2})\pm t_{\alpha/2,(n_{1}+n_{2}-2)}\times SE_{\bar x_{1}-\bar x_{2}}

Given:

\bar x_{1}=M_{1}=6.1\\\bar x_{2}=M_{2}=4.9\\SE_{\bar x_{1}-\bar x_{2}}=0.25

Confidence level = 80%

t_{\alpha/2, (n_{1}+n_{2}-2)}=t_{0.20/2, (5+5-2)}=t_{0.10,8}=1.397

*Use a <em>t</em>-table for the critical value.

Compute the 80% confidence interval for difference between two means as follows:

CI=(6.1-4.9)\pm 1.397\times 0.25\\=1.2\pm 0.34925\\=(0.85075, 1.54925)\\\approx(0.85, 1.55)

Thus, the 80% confidence interval for difference between two means is (0.85, 1.55).

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3 years ago
Help ( i need to show my work)!!!
hodyreva [135]

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Use complete sentences to describe why Set A = {x|x is an even whole number between 0 and 2} = ∅.
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Answer:

*1 month later*

Step-by-step explanation:

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