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jek_recluse [69]
3 years ago
11

What is 2.5x=8+12 25 POINTS PLEASE HELP

Mathematics
1 answer:
stiv31 [10]3 years ago
3 0
Hope this helps! Have a great day

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Type the integer that makes the following subtraction sentence true:<br> -57 - ? = -151
posledela

Answer:

94

Step-by-step explanation:

Its pretty simple,

The easiest way to find the missing number is to do 151-57, which = 94

8 0
3 years ago
When the sum of an unknown number and twenty two is divided by the unknown number, the quotient is 12. What is the unknown numbe
Gnom [1K]
You would basically work backwards and do inverse operations




12
24*
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288



288/24= 12
8 0
3 years ago
In a random sample of 8 ​people, the mean commute time to work was 35.5 minutes and the standard deviation was 7.4 minutes. A 90
konstantin123 [22]

Answer:

Margin of Error = 5.4088 ;

Confidence interval = (30.1 ; 40.9)

Interval estimate are almost the same

Step-by-step explanation:

Given that :

Population standard deviation, σ = 9.3

Sample size, n = 8

Xbar = 35.5

Confidence level = 90%

The confidence interval:

Xbar ± Margin of error

Margin of Error = Zcritical * σ/sqrt(n)

Zcritical at 90% = 1.645

Margin of Error = 1.645 * 9.3/sqrt(8) = 5.4088

Confidence interval :

Xbar ± Margin of error

35.5 ± 5.4088

Lower boundary = (35.5 - 5.4088) = 30.0912 = 30.1

Upper boundary = (35.5 + 5.4088) = 40.9088 = 40.9

(30.1 ; 40.9)

T distribution =. (30.5 ; 40.5)

Normal distribution = (30.1, 40.9)

4 0
3 years ago
Someone please help<br><br>The table shows values for functions f(x) and g(x) .
viva [34]
The answer to the question is x = 0
6 0
3 years ago
Read 2 more answers
LOTS OF POINTS!! 1ST GRADE QUESTION!! MY CALCULATOR ISNT WORKING!!!
MArishka [77]

Answer:

No, √3 is not rational. If you need more of an explanation let me know

6 0
3 years ago
Read 2 more answers
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