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3 years ago

8

Mustafa is flying his kite, and Ana is watching from 20 m away, as shown. From Ana's perspective there is an

2 answers:

Maslowich3 years ago

8 0

7.80 because it’s is a number everyone know

victus00 [196]3 years ago

8 0

Answer: From Mustafa's perspective, there is a 47\degree47°47, degree angle between Ana and the kite.

Step-by-step explanation: Khan Academy

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Given f(x) = 10-2x find f(7)

lara [203]

10 - 2x
10 - 2(7)
= 10 - 14
= -4

8 0

3 years ago

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Given two points M & N on the coordinate plane, find the slope of MN , and state the slope of the line perpendicular to MN .

telo118 [61]

Answer:

Problem 1) $m = \dfrac{1}{4}$ $slope_{perpendicular} = -4$

Problem 2) $m = \dfrac{1}{3}$ $slope_{perpendicular} = -3$

Step-by-step explanation:

$slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}$

$slope_{perpendicular} = \dfrac{-1}{m}$

Problem 1) M(9,6), N(1,4)

$slope = m = \dfrac{6 - 4}{9 - 1} = \dfrac{2}{8} = \dfrac{1}{4}$

$slope_{perpendicular} = \dfrac{-1}{\frac{1}{4}} = -4$

Problem 2) M(-2,2), N(4,-4)

$slope = m = \dfrac{4 - 2}{4 - (-2)} = \dfrac{2}{6} = \dfrac{1}{3}$

$slope_{perpendicular} = \dfrac{-1}{\frac{1}{3}} = -3$

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3 years ago

Dwayne got a raise, and his hourly wage increased from $12 to $15. What is the percent of change?

KiRa [710]

Answer:

B

Step-by-step explanation:

The pay increases, so it clearly cannot be C or D, and 25% of 12 is 3 because 12/4 = 3, so it would have to be B.

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3 years ago

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What is the area of the parallelogram?

Thepotemich [5.8K]

Answer:

300 cm²

Step-by-step explanation:

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area = 15 X 20

area = 300 cm²

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3 years ago

6k²+16k=0<br> x²-5x= 0<br> ANSWer these noeww!

pentagon [3]

Answer:

1) k = (-8)/5

2) x = 5

Step-by-step explanation:

1)

$6 {k}^{2} + 16k = 0$

$= > 2k(3k + 8) = 0$

$= > 3k + 8 = \frac{0}{2k} = 0$

$= > 3k = - 8$

$= > k = \frac{ - 8}{3}$

2)

${x}^{2} - 5x = 0$

$= > x(x - 5) = 0$

$= > x - 5 = \frac{0}{x} = 0$

$= > x = 5$

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3 years ago