4 years ago

Which inverse operation would be used to verify the following equation?

Mathematics

2 answers:

sveticcg [70]4 years ago

8 0

Another one is 34 times 3

Mama L [17]4 years ago

3 0

Answer:

C. 34x3 would be you answer

Step-by-step explanation:

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Christopher earned $78 at his job when he worked for 2 hours.

morpeh [17]

Answer:

1 dollar every 1/39 hour

Step-by-step explanation:

If Christopher earns $78 in two hours, he must earn $39 dollars in one hour because 78/2 is 39. Therefore, every hour Christopher earns $39. To find the amount of hours per dollar, divide 1, the hour, by 39, the money per hour, to get 1/39.

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4 years ago

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Which of the following includes two constant terms in three variables ?

ra1l [238]

Answer:

a is the answer as it has 2 constant terms in 3 variables

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3 years ago

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For the following questions use f(x) = 2x + 5<br> Solve f(x) = 11

Eva8 [605]

Answer:

Step-by-step explanation:

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3 years ago

Previous studies have reported that elite athletes are often deficient in their nutritional intake (for example, total calories,

Naddik [55]

Answer:

(3138.29, 3705.11)

Step-by-step explanation:

Given that for sample size of n = 50 male athletes from eight Canadian sport centers surveyed, the average caloric intake was 3077.0 kilocalories/day with a sample standard deviation of 987.0.

The recommended amount = 3421.70

To construct 95% confidence interval

Since population std deviation is not known we use t critical value for degree of freedom 50-1 =49

t critical = 2.010

Hence margin of error = $2.010*\frac{987}{\sqrt{50-1} } \\=283.41$