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matrenka [14]
2 years ago
14

What is 14c12? A. 78 B. 91 C. 105 D. 120

Mathematics
1 answer:
Delicious77 [7]2 years ago
5 0

9514 1404 393

Answer:

  B.  91

Step-by-step explanation:

14C12 = 14!/(12!(14-12)!) = 14·13/(2·1) = 7·13 = 91

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1/3 (6p-3) + 1/7 (7p+14)<br><br>Show your work​
katrin2010 [14]

Answer:

1/3 (6p-3) + 1/7 (7p+14)

1/3*6/1p + 1/3*3/1 + 1/7*7/1p + 1/7*14/1

6/3p + 3/3 + 7/7p + 14/7

3p + 1 + 1p + 2

3p + 1p + 1 + 2

4p + 3

Step-by-step explanation:

1/3 (6p-3) + 1/7 (7p+14)

1/3*6/1p + 1/3*3/1 + 1/7*7/1p + 1/7*14/1

6/3p + 3/3 + 7/7p + 14/7

3p + 1 + 1p + 2

3p + 1p + 1 + 2

4p + 3

6 0
3 years ago
Read 2 more answers
The current price of a school t-shirt is $10.58. Next year the cost of a t-shirt will be $15.35.
WITCHER [35]


The right answer is 4.77
3 0
1 year ago
Read 2 more answers
Trong mặt phẳng tọa độ cho tam giác ABC biết các đỉnh A(-1,2), B(4,7) và trọng tâm tam giác G(3,2). Viết phương trinh đường thẳn
ExtremeBDS [4]
Can you translate so i can help you out .
8 0
3 years ago
4) (Assume AR is tangent)<br>Given: AR 12<br>SR - 7.7<br>Find: cs (Round to nearest tenth.)​
andreev551 [17]

The length of CS is 11.0

Explanation:

Given that the length of the tangent AR is 12

The length of SR is 7.7

To find: The length of CS

The<u> tangent secant theorem</u> states that "if a tangent and a secant are drawn from an external point to a circle, then the square of the measure of the tangent is equal to the product of the measures of the secant’s external part and the entire secant."

Applying the tangent secant theorem, we have,

AR^2=SR\times RC

Rewriting the above equation, we get,

AR^2=SR(SR+SC)

Substituting the values, we get,

12^2=7.7(7.7+CS)

Simplifying, we have,

144=59.29+7.7CS

Subtracting both sides by 59.29, we get,

84.71=7.7CS

Dividing both sides by 7.7, we have,

11.0013=CS

Rounding off to the nearest tenth, we get,

11.0=CS

Thus, the length of CS is 11.0

6 0
3 years ago
Which function has x-intercepts of 3 and 8 and contains the point (–1, –2)?
mojhsa [17]
This is how you do it.

y = a(x - 3)(x - 8) 
<span>-2 = a(-1 - 3)(-1 - 8) </span>
<span>-2 = 36a </span>
<span>- 1 / 18 = a </span>
<span>y = ( - 1 / 18)(x^2 - 11x + 24) </span>
<span>y = (- 1 / 18)x^2 + (11 / 18)x - (3 / 2)
</span>
If this doesn't explain it enough, please, ask questions.
6 0
3 years ago
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