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ollegr [7]
2 years ago
5

Evaluate p2t4 for p=6

Mathematics
1 answer:
lys-0071 [83]2 years ago
7 0

Answer:

Can you give a better explanation pls or just a pic

Step-by-step explanation:

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Chase answers 3/4 of his math questions correctly. There were 40 questions on the test.
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multiply 40 by 3/4

40 x 3/4 = 40*3 = 120, 120/4 = 30

 he answered 30 correctly

40-30 = 10, he missed 10

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3 years ago
Select all possible solutions for 2x + 7 ≤ 3x - 5.
laiz [17]

Answer:

x \geq 12

[12,∞]

Step-by-step explanation:

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Which lists contain only rational numbers? Select all that apply.
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0.865, 0.4444, -6.37, -11.11
Rational are decimals / fractions
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2 years ago
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According to the distributive property, 6(a + b) = ma ​
Solnce55 [7]

Answer:

6a+6b=ma

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2 years ago
An online survey company wants to know if customer age is important in deciding to subscribe. The company has gathered a random
aleksley [76]

Answer:

service subscription and age are not independent

Step-by-step explanation:

The appropriate statistical test to adopt for the above problem is the Chisquare test.

The hypothesis :

H0 : service subscription and age are independent

H1 : service subscription and age are not independent

Observed values :

Under 18 18-34 35 and Over Total

Yes__ 120 __262 __237__ 619

No___ 41 ___103 __237 __381

Total 161 365 574 1000

χ² = (Observed - Expected)²/Expected

Expected Values:

99.659 __ 225.935 __ 293.406

61.341 ___ 139.065 __ 180.594

The Chisquare values :

4.15172__ 5.7569__ 10.8438

6.74518_ 9.35307 __ 17.6176

χ² = 4.15172 + 5.7569 + 10.8438 + 6.74518 + 9.35307 + 17.6176 = 54.46827

Degree of freedom = (row-1)*(column-1) = (2-1)*(3-1) = 1*2 = 2

Pvalue at df = 2 ; Pvalue = 0

α = 0.05

Pvalue < Α ; Hence, we reject H0 ; and conclude that service subscription and age are not independent

3 0
3 years ago
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