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34kurt
3 years ago
14

. What is the coefficient of the xy-term in the expression 4x+5xy–2y?

Mathematics
1 answer:
quester [9]3 years ago
8 0

Answer: 5

Step-by-step explanation:

The coefficent for the xy term is 5. This is because the number attached to the term xy is 5.

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Serhud [2]

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Step-by-step explanation:

5 0
2 years ago
Sociologists say the percentage of the classic music lovers is about 5%. From the survey, we know that only 83 out of 2000 peopl
disa [49]

Answer:

p value from chi square = 0.081

Step-by-step explanation:

Given that sociologists say the percentage of the classic music lovers is about 5%. From the survey, we know that only 83 out of 2000 people listen to the classic music. Let denote the proportion of the classic music lovers. The hypotheses are H0: p=0.05 vs Ha: p≠0.05

p value = 0.09

Instead of this if we do chi square

H0: Proportion of music lovers is 5% and non music lovers is 95%

Ha: Proportions are not as per the estimate

(Two tailed chi square test)

Observed       83           1917       2000

Expected        100          1900     2000

O-E                  -17              17          0

chi square

(O-E)^2/E        2.89         0.1521     3.0421

df =1

p value from chi square = 0.081

Though p value is not exactly the same, the conclusion in both tests are the same

5 0
3 years ago
For triangle ABC, m(∠A) = 30° and m(∠B)= 115°. Which of the following lists the sides of the triangle from shortest to longest?
Oliga [24]
2 hope this helps you
7 0
2 years ago
Read 2 more answers
Simplify the following:<br> 3x+2y+7-5x+7y
const2013 [10]
<span>3x+ 2y+7 -5x+7y
= -2x + 9y + 7

hope it helps</span>
3 0
3 years ago
Read 2 more answers
Is -5.5 an intger beacuse its negative?
balu736 [363]

Answer:

The answer is No.

Step-by-step explanation:

The answer is no because an integer is any whole number that isn't a fraction. So this can be positive and still be an integer.

4 0
2 years ago
Read 2 more answers
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