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Dahasolnce [82]
3 years ago
12

2 5/6 divided by 3 1/4 please explain .

Mathematics
2 answers:
Leviafan [203]3 years ago
4 0
2 5/6 divided by 3 1/4 is like multiplying.
You turn both mixed fractions into improper fractions. Then flip 13/4 into 4/13 and multiply. I’m sorry if this doesn’t make sense.

17/6 x 13/4 to 17/6 x 4/13

17/6 x 4/13 = 68/78 = 34/39
Debora [2.8K]3 years ago
3 0

Answer:

\frac{34}{39}

Step-by-step explanation:

2\frac{5}{6} can be rewritten as \frac{17}{6}

3\frac{1}{4} can be rewritten as \frac{13}{4}

So now

\frac{17}{6} / \frac{13}{4}

Flip the second fraction and multiply

\frac{17}{6} * \frac{4}{13} = \frac{68}{78}

Now reduce the fraction

\frac{34}{39}

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Dovator [93]

Answer:

No ;

Step-by-step explanation:

Given ;

s2 = 10 ; n2 = 10 ; s1 = 12 ; n1 = 12

Hypothesis :

H0 : σ1² = σ2²

H1 : σ1² ≠ σ2²

The test statistic :

Ftest = s1² / s2² = 12² / 10² = 144 / 100 = 1.44

The Pvalue using the Pvalue from Ftest calculator :

Numerator df = 12 - 1 = 11

Denominator df = 10 - 1 = 9

Pvalue = 0.2969

At α = 0.1

If Pvalue > α ; Fail to reject H0

0.2969 > 0.1 ; Hence, we fail to reject the Null

Hence, we cannot conclude that variation exists

3 0
3 years ago
Find the geometric mean of 16 and 36. Write your answer in the simplest form.
malfutka [58]

Answer:

Step-by-step explanation:

Find the geometric mean of 16 and 36. Write your answer in the simplest form.

Any obvious wrong answers will be reported.

6 0
3 years ago
On evaluating the expression 10(x - 20y) + 100x, the answer will be​
MArishka [77]

Answer:

110x -200y

Step-by-step explanation:

10(x - 20y) + 100x

Distribute

10x-200y +100x

Combine like terms

110x -200y

4 0
3 years ago
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The population of Newton was 79,760 people when Sarah moved there. Currently it is 5% larger. What is the current population
jasenka [17]
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8 0
3 years ago
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Sophia uses 18 beads to make a necklace. Three sixths of the beads are purple. How many beads are purple?
joja [24]

Answer:

9 beads are purple

Step-by-step explanation:

we know that

To find out how many  beads are purple, multiply the total beads by the fraction of the beads that are purple

so

18(\frac{3}{6})=9\ beads

therefore

9 beads are purple

Another way to solve the problem is convert the fraction in percentage

we have

\frac{3}{6}=\frac{1}{2}=0.50*100=50\%

so

If the total are 18 beads

50% is 9 beads

therefore

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8 0
3 years ago
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