3 years ago

Zoe's pizza cost $12.99. She gave a tip of $2.00.

Mathematics

1 answer:

Flura [38]3 years ago

5 0

I think its C , 15% but im not sure

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PLEASE HELP MEEEE!!.. The French club is holding a car wash fundraiser. They are going to charge $10 per car, and expect between

maria [59]

I'm pretty sure its D

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3 years ago

If a coin is flipped 75 times, in how many ways could there be exactly two tails?

Dimas [21]

Answer:

2775 ways

Step-by-step explanation:

We have been given the case to choose exactly two tails when flipped 75 times means $^{75}C_2$

Since, $^nC_r$ is equal to $\frac{n!}{r!\cdot(n-r)!}$

Here n =75, r=2 substituting the values we will get

$\frac{75!}{2!(75-2)!}$

$n!=n\cdot (n-1)\cdot (n-2).....1$

After simplification we will get $\frac{75\cdot 74\cdot 73!}{2!\cdot73!}$

Cancel out the common term that is 73! we will get

after more simplification we will get $\frac{75\cdot 74\cdot}{2!}$

Finally, we will get $\frac{75\cdot 74\cdot}{2}=75\cdot37=2775$

4 0

3 years ago

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Point C (2, 1) is the image of C(2,5) reflected across line m. What is the equation of line<br> m?

Tresset [83]

Answer:

Y=3

Step-by-step explanation:

The line is a horizontal line, and the points are in a vertical line. Y=3 is on a horizontal line at 3 up from the x axis.

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3 years ago

Write a rule for each pattern. Then use your rule to find the next two terms in the pattern. The numbers are: 1, 4, 9, 16, 25, 3

Anika [276]

When n is the nth term in the sequence, n squared is the rule.

The next two terms are 64, 81

Good luck!

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3 years ago

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Which property was used to simplify the expression? 3c+ 9 + 4c = 3c + 4c + 9

konstantin123 [22]

The change that happened from the first half of the equation to the second half was you moved the 9 and the 4c around.
Commutative property of addition allows you to do that. It's what says that 2+3 is the same thing as 3+2

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3 years ago

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