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Mashcka [7]
3 years ago
6

I need help ASAP !!!

Mathematics
1 answer:
lbvjy [14]3 years ago
8 0
The answer is (x,y) —> (y,-x)
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Help due tmmr! I will give brainliest!
Kisachek [45]

Answer:

6

Step-by-step explanation:

The answer is 6 because there is three other couples and so Barbie would have shaken each couples hand and in a couple there are two people so that would be two handshakes per couple minus Kens hand.

7 0
3 years ago
Assume $20,000 is deposited into a savings account. Bedford Bank offers an annual rate of 1% simple interest for five years. Sli
lozanna [386]
Using a savings interest calculator, I found that either way your savings grow by exactly $1,020.20, so they share the same interest.
7 0
3 years ago
Elias was given a lock for his school locker. The lock contains numbers between
daser333 [38]

Answer:

34,220

Step-by-step explanation:

Because order doesn't matter, but the numbers can't be repeated, we need to find the number of combinations where 3 individual numbers can be chosen out of 60 possible numbers using the binomial coefficient:

\binom{n}{k}=\frac{n!}{k!(n-k)!}\\ \\\binom{60}{3}=\frac{60!}{3!(60-3)!}\\\\\binom{60}{3}=\frac{60!}{3!(57)!}\\\\\binom{60}{3}=\frac{60*59*58}{3*2*1}\\ \\\binom{60}{3}=34220

Thus, Elias can make 34,220 unique 3-number codes given 60 different numbers.

6 0
2 years ago
For an angle Θ with the point (12, −5) on its terminating side, what is the value of cosine?
Katyanochek1 [597]
Well, in order to answer this problem we need to use the <span>the Pythagorean Theorem and the  it will be like this:
cos = x / hypotenuse
cos= 12/13 
I think with this you can figure the rest out. Hope this helps</span>
6 0
3 years ago
Read 2 more answers
Plesase help <br> UNIT 7: PARALLELOGRAMS QUIZ
NARA [144]

Answer:

NPL

Step-by-step explanation:

The angles across from each other on a parallelogram are congruent

7 0
3 years ago
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