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3 years ago

Enter the trigonometric equation you would use to solve for x in the following right triangle. Do not solve the equation.

Mathematics

1 answer:

Blababa [14]3 years ago

7 0

Equation:

$tan(x) = \frac{opp}{adj}$

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How do u do positive and negatives

Oduvanchick [21]

well if its 2 negatives multiplied it will change to a positve and if its a negative times a postive it will change to a negative

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3 years ago

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Find the missing coordinate to complete the ordered pair.

nordsb [41]

Answer:

(9, -4)

Step-by-step explanation:

Substitute 9 for x in the expression.

y = -(9) + 5

y = -9 + 5

y = -4

The ordered pair is (9, -4).

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3 years ago

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Ted can change an advertisement on a billboard in 5hr. Marie can do the same job in 2hr. How long would it take them if they wor

AnnyKZ [126]

Answer:

Working together, they will finish the job in 1 hour, 25 minutes, and 42.6 seconds.

Step-by-step explanation:

Given that Ted can change an advertisement on a billboard in 5 hours, while Marie can do the same job in 2 hours, to determine how long it would take them if they worked together the following calculation must be performed:

Ted 1/5 in 1 hour

Marie 1/2 in 1 hour

1/5 + 1/2 = X

5X + 2X = 10

7X = 10

X = 10/7

X = 1 3/7

60/7 x 3 = 25.71

60 x 0.71 = 42.6

So, working together, they will finish the job in 1 hour, 25 minutes, and 42.6 seconds.

5 0

3 years ago

a ball is thrown vertically upward from the ground with an initial velocity of 60 ft/sec. how high will the ball go?

vazorg [7]

Answer:

The ball will go to maximum height of 56.25 meters.

Step-by-step explanation:

It is given that, a ball is thrown vertically upward from the ground. Initial velocity of the ball, v = 60 ft/sec

Initial height is 0 as the ball is thrown from ground. The equation of projectile is given by :

$h(t)=-16t^2+vt+h$

h = 0

$h(t)=-16t^2+60t$ ..............(1)

We need to find the maximum height reached by the ball. For maximum height,

$\dfrac{dh(t)}{dt}=0$

$\dfrac{d(-16t^2+60t)}{dt}=0$

t = 1.875 seconds

Put the values of t in equation (1). So,

$h(t)=-16(1.875)^2+60(1.875)$

h(t) = 56.25 meters

So, the ball will go to maximum height of 56.25 meters. Hence, this is teh required solution.

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3 years ago

A baseball card that originally cost $24 has been decreasing in value

dimaraw [331]

Answer:

I believe it is four dollars

6 0

3 years ago