Explain how adding -3/10+ 4/10 is like adding 3+4

1 answer:

5 0

Basically, since both fractions have a like denominator, you just have to add across, but if the denominators were different, you'd have to to do more work. and it's the same without the denominators because all you're really doing is just crossing them out and adding across.

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a coin is flipped eight times where each flip comes up either heads or tails. how many possible outcomes: 1). are there in total

Ymorist [56]

There are 256 ways in total and 56 possible outcomes contain exactly three heads. The possible outcomes contain at least three heads is 219.

Consider the provided information.

A coin is flipped eight times where each flip comes up either heads or tails.

Part (a) How many possible outcomes are there in total?

Each time we flip a coin it comes up either heads or tail.

Therefore the total number of ways are: 2⁸ = 256

Hence, there are 256 ways in total.

Part (b) contain exactly three heads?

We want exactly 3 heads, therefore,

n=8 and r=3

According to the definition of combination:

To get exactly 3 heads,

n=8 and r=3

(⁸C₃ ) = 8! / 3!(5!) = 56.

Therefore, there are 256 ways in total and 56 possible outcomes contain exactly three heads. The possible outcomes contain at least three heads is 219.

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Suppose that you are asked to find a quadratic regression to model the height of a ball above the ground after it has been throw

Fynjy0 [20]

Given yo = initial height the ball was thrown from.
Given vo = the initial velocity of the ball thrown

y = yo + (vo)t -16t^2 where t = time.

This is a parabola opening downward.

There is no y intercept as the ball is thrown upwards upwards not necessarily straight vertically.

The x-intercepts occur when the ball reaches the level the ball was thrown from or the ground.

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A linear equation exists for the following sets of ordered pairs: {(-1, 1), (0, 3), (-1/3, 7/3)}. The rule for the linear equati

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7/3 is the right answer

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Where’s the second paragraph?

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