Please help me I don't get it 7 1/5−(−3/5)

Mathematics

1 answer:

Fudgin [204]3 years ago

8 0

Answer:

39/5

Step-by-step explanation:

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Consider a population with population proportion p, and a sample from the population with sample proportion pˆ. Which of the fol

Deffense [45]

According to CollegeBoard.org:

Answer: "To estimate the probability of observing a value as extreme as pˆ given p."

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3 years ago

I need help on this slope question will give brainliest if you explain reasoning well

Oxana [17]

Answer:

C, D, B, A

Step-by-step explanation:

The greater the angle the tangent line makes with the positive x-axis, the greater the slope. Angles increase in the counterclockwise direction, so the question here is equivalent to asking for the tangent lines to be put in clockwise (decreasing slope) order.

That order is C, D, B, A.

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3 years ago

The parabola y = x² - 4 opens: A.) up B.) down C.) right D.) left

fomenos

Answer:

Step-by-step explanation:

Here the easy rules to remember the orientation of the parabolas are

a) If x is squared it opens up or down. And its coefficient of { $x^{2}[tex] is negative it opens down.b) If y is squared it opens side ways right or left. It its coefficient of [tex]y^{2}$