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Aleksandr-060686 [28]
3 years ago
6

5/6 + 5/6 how do you simplify the answer

Mathematics
2 answers:
aev [14]3 years ago
8 0
Do a t chart with the factors and then add the greatest common factor (GCF) with the fraction
morpeh [17]3 years ago
5 0
5/6+5/6
=10/6
=5/3
Because 5+5=10
And the denominator remains the same
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A sign at a store reads "3 notebooks for $6". What is the price per note book
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$2 per notebook would be the correct answer
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Read 2 more answers
Suppose that a company prints baseball cards. They claim that 30% of the cards feature rookies, 60% feature veterans, and 10% fe
liraira [26]

Answer:

H0: The distribution of players featured on the cards is 0.30 rookies, 0.60 veterans, and 0.10 All-Stars.

Ha: At least one of the proportions in the null hypothesis is false.

Step-by-step explanation:

On this case we need to apply a Chi squared goodness of fit test, and the correct system of hypothesis would be:

H0: The distribution of players featured on the cards is 0.30 rookies, 0.60 veterans, and 0.10 All-Stars.

Ha: At least one of the proportions in the null hypothesis is false.

And in order to test it we need to have observed and expected values. On this case we  can calculate the Expected values like this

E_{rookies}=50*0.3=15

E_{veterans}=50*0.6=30

E_{All stars}=50*0.1=5

The observed values are not provided. The statistic on this case is given by:

\chi^2 =\sum_{i=1}^n \frac{(O_i) -E_i}{E_i}

And this statistic follows a chi square distribution with k-1 degrees of freedom on this case k=3, since we have 3 groups.

We can calculate the p valu like this:

P(\chi^2 > \chi^2_{calculated})=p_v

And if the p value it's higher than the significance level we FAIL to reject the null hypothesis. In other case we reject the null hypothesis.

5 0
2 years ago
CAN SOMEONE PLS HELP I NEED THIS ASAP​
saw5 [17]

Answer:

its 12

2×72=x^2

Step-by-step explanation:

i will sent the Formula in picture

6 0
3 years ago
Find the coefficient of x2 in (3x2 – 5) (4 + 4x2), expand using algebraic expressions and answer
Scilla [17]

Answer:

- 8

Step-by-step explanation:

Given

(3x² - 5)(4 + 4x²)

Each term in the second factor is multiplied by each term in the first factor, that is

3x²(4 + 4x²) - 5 (4 + 4x²) ← distribute both parenthesis

= 12x² + 12x^{4} - 20 - 20x² ← collect like terms

= 12x^{4} - 8x² - 20

The coefficient of the x² term is - 8

7 0
3 years ago
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