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4 years ago

How do you solve this? Please help me (i will give you 14 points)

Mathematics

1 answer:

azamat4 years ago

7 0

Answer:

X can be 2,3,4,5,6,7,8

Step-by-step explanation:

X is greater than or equal to 2 and less than or equal to 8

It can only be integers

X can be 2,3,4,5,6,7,8

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What is equal to 4.2 kilometers

guapka [62]

Answer:

<h2>4,200 meters</h2><h3>How do you convert meters to kilometers formula?</h3><h3>Meters to Kilometers Conversion</h3>

1 Meter (m) is equal to 0.001 kilometer (km). To convert meters to km, multiply the meter value by 0.001 or divide by 1000. For example, to convert 100 m to km, multiply 100 by 0.001, that makes 0.1 km is 100m .

Step-by-step explanation:

Hope it is helpful.....

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3 years ago

An arithmetic sequence is defined by:a_1=-8a1=−8a_n=a_{n-1}+4an=an−1+4What is the 7th term of the sequence?

oksian1 [2.3K]

Answer:

Step-by-step explanation:

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3 years ago

To save money, a local charity organization wants to target its mailing requests for donations to individuals who are most suppo

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).

3 0

3 years ago

|-6+8| = simplify the expression

lilavasa [31]

Answer:

Step-by-step explanation:

|-6+8|

Add/subtract the numbers: -6 + 8 = 2

= |2|

Apply the absolute value rule: |a| = a, a ≥ 0

= 2

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3 years ago

25 and 65 thousands as a decimal

slava [35]

The answer would be 25.65

6 0

3 years ago

Read 2 more answers