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3 years ago

13

PLZ HELP ME D HOW J IT EHJ

1 answer:

Pavlova-9 [17]3 years ago

3 0

180 and 20 other words eeeee

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Evaluate cos0 if sin0= sqrt(5)/3<br><br> a. 9/5<br> b. 2/3<br> c. 5/9<br> d. 3/2

Evgesh-ka [11]

Solution given:

$\sin( \alpha ) = \frac{\sqrt{5} }{3}$

so

P=√5

h=3

b= $\sqrt{3 {}^{2} - \sqrt{5} {}^{2} }$

b=2

so

$\cos( \alpha ) = \frac{b}{h} = \frac{2}{3}$

Note

$\alpha = 0$

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8 0

3 years ago

HELP IS APPRECIATED <3<br>

Lemur [1.5K]

Answer:

x = -7

Step-by-step explanation:

1/2x - 3 = 3/2x + 4

~Add 3 and subtract 3/2x to both sides

-1x = 7

~Divide -1 to both sides

x = -7

Best of Luck!

6 0

3 years ago

1. The hypotenuse of a right triangle is 15 centimeters long

Crank

Answer:

12 cm

Step-by-step explanation:

Let the other leg be x.

then

15^2 = 9^2+x^2

225 = 81 +x^2

x^2 = 144

x = sqrt(144)

x = 12cm.

7 0

4 years ago

A region where there is a large Amusement park is experiencing a heatwave officials at the park at a scatter plot showing the nu

Andreas93 [3]

Answer:

A

Step-by-step explanation:

Vertex appear to be at (5,115)

A) h = -b/2a

= -(20)/2(-2) = 5

k = -2(5²) + 20(5) + 60 = 110

6 0

3 years ago

Please answer this question for brainliest!

astra-53 [7]

The answer is 14.4 cm.

8 0

4 years ago