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Liula [17]
3 years ago
7

U Question 8 Find the value of the variable in the parallelogram. (6a + 10) 130°

Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0

Answer:

20

Step-by-step explanation:

(6a + 10) = 130

(6 x 20) + 10 = 130

120 - 10 = 130

130 = 130

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The depth of Nathan's binder is 2 5/12 inches. what is the measurement as a decimal?
masya89 [10]
Convert to improper fraction: 2 5/12 = 29/12
Divide 29 by 12: 29/12 = 2.42
 
2.42 inches
6 0
3 years ago
PLEASE HELP question 30
weeeeeb [17]

Answer:

B

Step-by-step explanation:

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c=66

3 0
3 years ago
N - 8 greater than equal to -4
zaharov [31]

Answer:

N greater than or equal to -12

Step-by-step explanation:

N-8 greater than or equal to -4

N greater than or equal to -4-8

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3 0
2 years ago
Psychologists in Montreal and Toronto conducted a study to determine if babies show any preference for speech over general noise
Lostsunrise [7]

Answer:

H0 : μ1 - μ2 = 0

H1: : μ1 - μ2 ≠ 0

we reject the Null and we conclude that babies prefer actual speaking to humming.

Step-by-step explanation:

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H1: : μ1 - μ2 ≠ 0

Mean difference, d = 27.79

Standard deviation of difference, Sd = 63.18

Sample size, n = 50

The test statistic :

d / (Sd / √n)

Test statistic :

27.79 / (63.18 / √50)

27.79 / 8.9350012

= 3.11

Using the Test statistic score, we can obtain the Pvalue

Using the standard normal table ;

Pvalue = P(x<-Z or x>Z) = 0.0018709

Pvalue is very low

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8 0
3 years ago
How to simplify 56/80
Pepsi [2]
Divide both of them by 8
the answer would be: 7/10
hope that helps :)
3 0
3 years ago
Read 2 more answers
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