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7nadin3 [17]
3 years ago
6

Apply the 30º-60º-90º triangle theorem to find the length of the shorter leg of a triangle if the length of the hypotenuse is 20

20 cm. 103‾√103 cm 320‾‾‾√320 cm 320‾‾‾√‾‾‾‾‾√320 cm 1010 cm 20‾‾‾√20 cm
Mathematics
1 answer:
Brilliant_brown [7]3 years ago
5 0
YOU NEED A DIFFERENT MATH TEACHER
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Select the representation that does not change the location of the given point. (4, 110°)
miss Akunina [59]

Answer:

(4,470°)

Step-by-step explanation:

The representation that does not change the location of (4, 110°) in polar coordinates are all points that are coterminal with the given point.

The only point among the given options that is coterminal with (4, 110°) is (4, 470)°

The two points have the same magnitude and 470°-360°=110°.

Since 110° is coterminal with 470° and the two points have the same magnitude with the same sign, the two points represent the same location in polar coordinates.

The correct choice is (4,470°)

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3 years ago
What is 123.7666 rounded to the nearest tenth?
Aneli [31]

Answer:

123.8

Step-by-step explanation:

nearest tenth is 7 and the sixes aftr it are over half of a full decimal, so they round to 123.8

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3 years ago
Please help!<br><br> Fill in the missing number.
liq [111]

Answer:

21

Step-by-step explanation:

\left[\begin{array}{cc}5&9\\-6&9\end{array}\right] +6\left[\begin{array}{cc}-5&2\\7&8\end{array}\right]

Multiply the second matrix by 6.

\left[\begin{array}{cc}5&9\\-6&9\end{array}\right] +\left[\begin{array}{cc}-30&12\\42&48\end{array}\right]

Add the corresponding cells in each matrix.

\left[\begin{array}{cc}5-30&9+12\\-6+42&9+48\end{array}\right]

\left[\begin{array}{cc}-25&21\\36&57\end{array}\right]

3 0
3 years ago
Please someone help me with this I’m very confused
mote1985 [20]

Answer:

a. n= 1x +7

b. n= 12 + 4x

Step-by-step explanation:

4 0
3 years ago
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Vinil7 [7]
(x+4)(x+6)
(x+6)(x+4) 

8 0
3 years ago
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