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Kamila [148]
2 years ago
5

Maria buys a pair of earrings for $12. 50, a necklace for $15. 50, and a shirt for $21. 98

Mathematics
1 answer:
Alex_Xolod [135]2 years ago
8 0
12.50
15.50
+21.98
= $49.98 you just have to add i believe
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How many different committees can be formed from 12 teachers Abs 43 students of the committee consists of 4 teachers and 3 stude
Marina86 [1]

Answer:

6108795

Step-by-step explanation:

To obtain the number of ways the committee can be selected :

4 teachers from the 12 teachers available and 3 students from the 43 students available

Using combinatorics :

12C4 * 43C3

recall :

nCr = n! ÷ (n - r)!r!

Using calculator :

12C4 = 495

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sergeinik [125]

For this case we have:


By trigonometric property we have:


Cosine(\alpha)=\frac{AdjacentLeg}{Hypotenuse}

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x =Cosine^{-1}(\frac{12}{13})

Thus, the equation is: x =Cosine^{-1}(\frac{12}{13})

Answer:


x =Cosine^{-1}(\frac{12}{13})


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200/160 as a percentage (200 over 160)
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tankabanditka [31]
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Yuliya22 [10]

Answer:

15x+98=105

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15x=7

/15    /15

x=7/15

Step-by-step explanation:

x=7/15

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3 years ago
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