3 years ago

Solve the equation. q − 11 = 16

Mathematics

2 answers:

liubo4ka [24]3 years ago

5 0

Answer: 27

Step-by-step explanation: 16+11=27

SpyIntel [72]3 years ago

3 0

Answer:

q = 27

Step-by-step explanation:

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4/7 to a percent is about 57 percent.

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2 years ago

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A youth club organizer is plannning a day trip for the club members. The cost of the trip is $330 and club has already saved $75

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Step-by-step explanation:

330 = 21x + 75

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2 years ago

What is the slope of the line passing through (1, 2) and (3, 3)?

enot [183]

Answer:

Slope is 1/2

Step-by-step explanation:

Using the slope formula y₂-y₁/x₂-x₁

(x₁,y₁) and (x₂,y₂) → (1,2) and (3,3)

So...

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2 years ago

A multiple choice test has four possible answers for each question. Let X be the number of correct responses in a test of 100 qu

dimulka [17.4K]

Answer:

a. 4.33.

Step-by-step explanation:

If there is only one correct answer out of four alternatives, the expected proportion of correct answers is p =0.25

Sample size (n) = 100 questions

The standard deviation of a proportion 'p' is given by:

$s=\sqrt{\frac{p*(1-p)}{n} }$

Applying the given data:

$s=\sqrt{\frac{0.25*(1-0.25)}{100}}\\s=0.0433$

If X is the number of correct responses in 100 guesses, the standard deviation of X is:

$\sigma = n*s=100*0.0433\\\sigma = 4.33$

The standard deviation of X is 4.33 questions.

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2 years ago

John is about to roll a six-sided, fair number cube 60 times. He wants to predict how many times the cube will land on an even n

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Even numbers
so each dice has numbers
1,2,3,4,5,6
the eve numbers are
2,4,6
odd are others
1,3,5
so 1/2 are odd

therefor 1/2 of 60 is how many times it would get even
1/2 of 60=1/2 times 60=30

No not good predicition
my prediction would be 30 tiemes

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2 years ago

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