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mote1985 [20]
3 years ago
8

Find the measure of the missing angles.

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
8 0
Answer: B= 20 degrees
C= 160 degrees

Why? B is the angle across from 20 and that means they are equal. To find C you do 180-20 to get your answer

Hope this helps :D
Masteriza [31]3 years ago
6 0

Answer:

b = 20, c = 160

Step-by-step explanation:

b and 20 degrees are vertical angles, so they are equal.

b (20 degrees) and c are on a line together, so they add up to 180. 180 - 20 = 160 degrees

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The product of a number to the third power and 6 decreased by y
gayaneshka [121]
Product meaning multiplication of numbers, and your numbers are: n to the third which is an exponent, therefore n^3. And the other number is 6 so put that together and get n^3 * 6. Now the word decreased by means that the number after by is being subtracted from the prior number, so that means:
n^3 * 6 - y
or you can use parenthesis to make this clearer.
(n^3 * 6)-y
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4 years ago
a farmer has one square mile of land if he divides his land into square fields that are one third mile long and one-third mile w
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3 years ago
(b) Give an example of nonzero 2×2 matrices A, B, C such that AB=AC, but B C.
DochEvi [55]

Answer:

Example of matrices such hat AB = AC, B\neq C

Step-by-step explanation:

We have two give example of 2×2 matrices such that AB = AC BUT B ≠ C.

Example:

A =\left[\begin{array}{ccc}1&0\\0&0\end{array}\right]\\\\B = \left[\begin{array}{ccc}1&1\\1&2\end{array}\right], C = \left[\begin{array}{ccc}1&1\\1&3\end{array}\right]

Solving:

AB = \left[\begin{array}{ccc}1+0&1+0\\0+0&0+0\end{array}\right] = \left[\begin{array}{ccc}1&1\\0&0\end{array}\right]

AC = \left[\begin{array}{ccc}1+0&1+0\\0+0&0+0\end{array}\right] = \left[\begin{array}{ccc}1&1\\0&0\end{array}\right]

Hence, AB = AC, B\neq C

4 0
3 years ago
Find the value of each angle.​
monitta

Answer:

Step-by-step explanation:

m∠3 = 18°

m∠1 = 90° - 18° = 72°

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m∠4 = 2(72°) = 144°

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3 years ago
ASAP!!!
rosijanka [135]

Answer:

D all the real numbers greater than or equal to -3

Step-by-step explanation:

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