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3 years ago

X - 3 >7 Quick pls answer

Mathematics

2 answers:

tamaranim1 [39]3 years ago

5 0

Answer:

x > 10

Step-by-step explanation:

x-3 > 7

Add 3 to each side

x-3+3 > 7+3

x > 10

olga_2 [115]3 years ago

4 0

Answer: x<4

Step-by-step explanation:

x< 4 is anything less than 4, in order to make the equation true, you need something less than 4

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3 years ago

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Answer:

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Step-by-step explanation:

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Evaluate: (-2/3*3/4) -1

slamgirl [31]

Answer:

$= ( - \frac{2}{3} \times \frac{3}{4}) \times ( - 1)$

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4 years ago

Find the y intercept of the following equation. simplify your answer.

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Answer:

b, the y-intercept, is 1

Step-by-step explanation:

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3 years ago

Express the alternative hypothesis in symbolic form. A professor claims that the mean amount of time (in hours) sophomores spen

gulaghasi [49]

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

Let the $\mu_1$ be the mean amount of time first population ( freshmen) spent studying for the biostatistics final exam.

Let $\mu_2$ be the mean amount of time second population (sophomores) spent studying for the biostatistics final exam.

So, the hypothesis would be

$H_0:\mu_1=\mu_2$

Since, A professor claims that the mean amount of time (in hours) sophomores spent studying for the biostatistics final exam is more than that of freshmen.

So, alternate hypothesis becomes:

$H_a:\mu_1>\mu_2$

Hence, Option 'D' is correct.

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3 years ago