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Serga [27]
2 years ago
5

2/3 + _/6 = 1/6 what is the missing numerator options: 3 5 6 9

Mathematics
1 answer:
Blababa [14]2 years ago
7 0
Answer:
This question is not possible unless the plus sign is actually a minus sign.

Explanation:
First we need to find the LCM, lowest common multiple , for the faction which is 6. Because 3x2 is 6 and 6x1 is 6. So since we mutiply the bottom of the faction 2/3, we need to muitiply the 2 too, which is 6. But....
6 plus 3 or anyone of your option listed wouldn’t be equaled to 1.
So that’s why I don’t think this question is possible to answer.
But... if that sign was a negative the answer would be 5 because 6-5 is 1.

Fun Fact:
The word Fraction comes from the Latin word fractio which means 'to break'.

I hope this helped and have a nice day
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In the largest clinical trial ever​ conducted, 401,974 children were randomly assigned to two groups. The treatment group consis
BARSIC [14]

Answer:

The requirements for the hypothesis test does satisfied the method for testing the claim that from two population proportions the rate of polio is less for children given the salk vaccine.

Step-by-step explanation:

The percentage of children in the treatment group was:

(201229/401974)*100 = 49.9%

The percentage of children given placebo was:

(200745/401974)*100 = 50.1%

The percentage of children that developed polio in the treatment group:

(33/200745)*100 = 0.0164%

The percentage of children that developed polio in the placebo group:

(115/201229)*100 = 0.0571%

The percentage difference between the two group:

((0.0571-0.0164)/0.0571) = 61.62%

Therefore:

The amount of children used for each group was almost divided into half of the total amount of children. The test revealed although very small percentages of the both group developed polio, 68.62% more children given placebo than the children that was given the salk vaccine. Therefore, the study shows that the rate of polio is less for children given the salk vaccine and the the hypthesis test is satisfied.

6 0
3 years ago
Verify this identity: secx-cosx = 1-cos^2x/cosx
Sauron [17]

Step-by-step explanation:

sec x − cos x

Secant is the inverse of cosine:

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Find the common denominator:

(1 / cos x) − (cos² x / cos x)

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3 years ago
What is tan 11 pie/6
Delicious77 [7]
C is the answer to this question
8 0
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WITCHER [35]

Answer:

It depends on what shape you have. Here are some formulas for different shapes.

Step-by-step explanation:

Rectangular prism: 2lw + 2lh + 2wh

Cylinder: 2 pi <em>r</em>² + 2 pi <em>rh</em>

Sphere: 4 pi <em>r</em>²

Cone: pi <em>r</em>² + pi <em>rl</em>

Square-based pyrimid: 1/2<em>lp</em> +<em>B</em>

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I hope this helps!

3 0
3 years ago
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marissa [1.9K]

Answer:

i would love to help but there is no question :(

Step-by-step explanation:

4 0
3 years ago
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