3 years ago

The negation of " If it rains then the road is slippery"

1 answer:

5 0

You'd be tempted to say, "If it doesn't rain then...", but in fact you don't know what happens then. What you do know, is that if the road is NOT slippery, then clearly it is not raining.

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you earn $0.85 for every cup of hot chocolate you sell. How many cups do you need to sell to earn $55.25? Help Please.

Delvig [45]

0.85$ for 1 cups
1$ for 1/0.85 cups
55.25$ for [1/0.85]*55.25 = 55.25/0.85 = 65 cups

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3 years ago

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Donavan was used to making $12 per hour. He got a new job in which he made 8% more. After he got fired from that job he took ano

uysha [10]

He made C. $13.35 per hour at his third job.

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2 years ago

What is the determinant of the coefficient matrix of the system

Ad libitum [116K]

$\left[\begin{array}{ccc}-3&0&-2\\9&0&5\\6&0&-12\end{array}\right] \\D(system)= |-3|\left[\begin{array}{ccc}0&5\\0&-12\\\end{array}\right]-0 \left[\begin{array}{ccc}9&5\\6&-12\\\end{array}\right] +|-2| \left[\begin{array}{ccc}9&0\\6&0\\\end{array}\right] \\=3*0-0+0=0\\
determinant of system is 0$

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2 years ago

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In your notebook, set up the following addition using a vertical format and find the sum of the given polynomials.

Tasya [4]

The Correct Answer is "C"

5m^2 - 5mn +4n^2

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2 years ago

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Two friends share 1/2 of a pineapple equally.What fraction of a whole pineapple does each friend get?

Katyanochek1 [597]

They each get 1/4.

Because since they have 1/2 they will further divide that piece in 2 so each of them will get 1/4 of the whole.

Hope this helps :)

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3 years ago

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