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lisov135 [29]
3 years ago
14

What is 2/7 divided by 5/9

Mathematics
2 answers:
Svetlanka [38]3 years ago
5 0

Answer:

18/35

Step-by-step explanation:

miss Akunina [59]3 years ago
4 0

Answer:0.006439

Step-by-step explanation:

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James has $25 to spend at the concession stand. He buys nachos for $8.50, a soda for $2.50 and some Sour Straws for $1.25 each.
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B and D hope it’s right
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3 years ago
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Azul has 4 green picks and no orange picks. You add orange picks so that they are 2 orange picks for every 1 green pick. How man
Ad libitum [116K]

Ratio of orange:green = 2:1


If there are 4 green picks then there are 8 orange picks.


Total number of picks = 4 + 8 = 12


Answer: There are now 12 picks in total.

8 0
3 years ago
A researcher selects two samples of equal size and computes a mean difference of 1.0 between the two sample means. If the pooled
s344n2d4d5 [400]

Answer:

The Cohen's D is given by this formula:

D = \frac{\bar X_A -\bar X_B}{s_p}

Where s_p represent the deviation pooled and we know from the problem that:

s^2_p = 4 represent the pooled variance

So then the pooled deviation would be:

s_p = \sqrt{4}= 2

And the difference of the two samples is \bar X_a -\bar X_b = 1, and replacing we got:

D = \frac{1}{2}= 0.5

And since the value for D obtained is 0.5 we can consider this as a medium effect.  

Step-by-step explanation:

Previous concepts

Cohen’s D is a an statistical measure in order to analyze effect size for a given condition compared to other. For example can be used if we can check if one method A has a better effect than another method B in a specific situation.

Solution to the problem

The Cohen's D is given by this formula:

D = \frac{\bar X_A -\bar X_B}{s_p}

Where s_p represent the deviation pooled and we know from the problem that:

s^2_p = 4 represent the pooled variance

So then the pooled deviation would be:

s_p = \sqrt{4}= 2

And the difference of the two samples is \bar X_a -\bar X_b = 1, and replacing we got:

D = \frac{1}{2}= 0.5

And since the value for D obtained is 0.5 we can consider this as a medium effect.  

7 0
3 years ago
Ralph is making orange juice.
devlian [24]
D. 24 oz because 1cup is equal to 8 fluid ounces so in order to make 3 cups you have to multiply 3 by 8 which equals to 24
6 0
2 years ago
Given: m∠LOI=38°, m∠JOP=84°
Romashka-Z-Leto [24]

Answer:

The measure of angle JKP is m

Step-by-step explanation:

step 1

we know that

The measure of the arc is equal to the measure of its central angle

so

arc\ JP=m

and

arc\ IL=m

step 2

Find the measure of the angle JKP

we know that

The measure of the inner angle is the semi-sum of the arcs comprising it and its opposite.

m

substitute the values

m

3 0
3 years ago
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